7th Class Science Transportation in Animals and Plants Question Bank

done Transportation in Animals and Plants Total Questions - 118

• question_answer1)
  The aroma of food comes from the kitchen because of-
  A)
  Osmosis                       done clear
  B)
  Diffusion done clear
  C)
  Convection                  done clear
  D)
  Fragmentation done clear
  View Solution play_arrow

• question_answer2)
  One of our body organs is used to filter waste products of the blood.
  A)
  Heart              done clear
  B)
  Lungs done clear
  C)
  Kidney            done clear
  D)
  Stomach done clear
  View Solution play_arrow

• question_answer3)
  A kidney, ureter and urinary bladder together are called-
  A)
  Respiratory system       done clear
  B)
  Excretory system done clear
  C)
  Circulatory system done clear
  D)
  Reproductive system done clear
  View Solution play_arrow

• question_answer4)
  Cardiovascular system is also known as
  A)
  Digestive system          done clear
  B)
  Excretory system done clear
  C)
  Circulatory system       done clear
  D)
  Nervous system done clear
  View Solution play_arrow

• question_answer5)
  The part of blood which does not have a nucleus.
  A)
  RBC               done clear
  B)
  WBC done clear
  C)
  Platelets           done clear
  D)
  Plasma done clear
  View Solution play_arrow

• question_answer6)
  The vascular tissue which conducts food to various plant parts is the
  A)
  Xylem             done clear
  B)
  Phloem done clear
  C)
  both of these                done clear
  D)
  none of these done clear
  View Solution play_arrow

• question_answer7)
  The pulmonary arteries carry
  A)
  pure blood                   done clear
  B)
  impure blood done clear
  C)
  blood to kidney            done clear
  D)
  blood from the kidney done clear
  View Solution play_arrow

• question_answer8)
  The blood vessel which carries blood from lungs to heart is called
  A)
  Pulmonary artery         done clear
  B)
  Coronary artery done clear
  C)
  Renal artery                 done clear
  D)
  Pulmonary vein done clear
  View Solution play_arrow

• question_answer9)
  Select the type of cells, present in blood, whose main function is to fight against diseases by destroying harmful bacteria and other foreign material.
  A)
  RBC                            done clear
  B)
  WBC done clear
  C)
  Platelets           done clear
  D)
  none of these done clear
  View Solution play_arrow

• question_answer10)
  The process by which the oxygenated blood moves from left auride to left ventricle and then through aorta to all parts of the body is known as
  A)
  Extracellular circulation done clear
  B)
  Pulmonary circulation done clear
  C)
  Systemic circulation done clear
  D)
  Intracellular circulation done clear
  View Solution play_arrow

• question_answer11)
  Which of the following is responsible for the red colour of red blood cells?
  A)
  blood              done clear
  B)
  Haemoglobin done clear
  C)
  platelets           done clear
  D)
  none of these done clear
  View Solution play_arrow

• question_answer12)
  Select the one that is a small muscular balloon like organ, which swells up when it is fall of urine and shrinks in size again after urine has been emptied out of it.
  A)
  ureter                           done clear
  B)
  urinary bladder done clear
  C)
  urethra                         done clear
  D)
  none of these done clear
  View Solution play_arrow

• question_answer13)
  Which of the following plays the major role in clotting of blood?
  A)
  RBC                            done clear
  B)
  WBC done clear
  C)
  Platelets            done clear
  D)
  none of these done clear
  View Solution play_arrow

• question_answer14)
  The clotting of blood is to
  A)
  Slow down the movement of blood inside the blood vessel. done clear
  B)
  trap oxygen inside the blood so that it may be transported more easily. done clear
  C)
  seal up wounds to avoid loss of blood done clear
  D)
  all the above are correct done clear
  View Solution play_arrow

• question_answer15)
  Which of the following groups represent correctly the substances that the capillaries exchange between blood and tissues?
  A)
  oxygen, carbon dioxide, RBC, food done clear
  B)
  Oxygen, carbon dioxide, food, waste products done clear
  C)
  water, plasma, WBC, RBC done clear
  D)
  Oxygen, carbon dioxide, WBC, RBC done clear
  View Solution play_arrow

• question_answer16)
  Which of the following mechanisms is not used by human beings for excretion of waste materials from their bodies?
  A)
  Exhalation                   done clear
  B)
  Perspiration done clear
  C)
  Defecation                   done clear
  D)
  Transfusion done clear
  View Solution play_arrow

• question_answer17)
  By whom was the circulation of blood discovered?
  A)
  Galileo Galilie              done clear
  B)
  William Harvey done clear
  C)
  Both of these                done clear
  D)
  none of these done clear
  View Solution play_arrow

• question_answer18)
  In plants which of the following is used for absorption of water?
  A)
  Xylem             done clear
  B)
  phloem done clear
  C)
  stomata                        done clear
  D)
  root hair done clear
  View Solution play_arrow

• question_answer19)
  The transportation of water takes place through a large spaced potato cavity filled with sugar solution placed in a dish containing small amount of water?
  A)
  Xylem done clear
  B)
  Phloem done clear
  C)
  through movement of one cell to another done clear
  D)
  none of these done clear
  View Solution play_arrow

• question_answer20)
  The process of filtering the waste containing body fluids is carried out by blood capillaries in which of the following parts of our body?
  A)
  urinary bladder            done clear
  B)
  kidneys done clear
  C)
  trachea            done clear
  D)
  atria done clear
  View Solution play_arrow

• question_answer21)
  The blood that flows from lungs to heart is bright red, because
  A)
  it is made red by oxygen done clear
  B)
  it is made red by carbon dioxide done clear
  C)
  it is made red by gastric juices done clear
  D)
  the lungs add a pigmient (dye) to blood as it flows through them done clear
  View Solution play_arrow

• question_answer22)
  The heart rate of an adult is
  A)
  60-65 per minute         done clear
  B)
  70-80 per minute done clear
  C)
  40-60 per minute         done clear
  D)
  none of these done clear
  View Solution play_arrow

• question_answer23)
  Root hairs are of utmost importance to the plant because
  A)
  they provide anchorage done clear
  B)
  they provide much absorptive surface done clear
  C)
  they are the centres of cell division and growth done clear
  D)
  they are the areas where root grows. done clear
  View Solution play_arrow

• question_answer24)
  An instrument for measuring rate of transpiration is a
  A)
  photometer                  done clear
  B)
  kilometer done clear
  C)
  hygrometer                   done clear
  D)
  osmometer done clear
  View Solution play_arrow

• question_answer25)
  Oxygen is carried to the tissues of an insect by
  A)
  blood              done clear
  B)
  gills done clear
  C)
  lungs                done clear
  D)
  trachea done clear
  View Solution play_arrow

• question_answer26)
  Which of the following is a tissue and not an organ?
  A)
  Kidney             done clear
  B)
  Stretched muscle done clear
  C)
  Liver                            done clear
  D)
  Spleen done clear
  View Solution play_arrow

• question_answer27)
  The greatest effort of the heart is exerted by the
  A)
  right auricle                  done clear
  B)
  right ventricle done clear
  C)
  left auricle                    done clear
  D)
  left ventricle done clear
  View Solution play_arrow

• question_answer28)
  Arterial blood may be distinguished from venous blood because the latter is
  A)
  a dull red                      done clear
  B)
  a brighter red done clear
  C)
  thicker             done clear
  D)
  thinner done clear
  View Solution play_arrow

• question_answer29)
  A pulse at the wrist is detected in a
  A)
  systemic vein   done clear
  B)
  systemic artery done clear
  C)
  pulmonary vein            done clear
  D)
  Pulmonary artery done clear
  View Solution play_arrow

• question_answer30)
  The name of the tube which leads from kidney to the urinary bladder is
  A)
  uriniferous tubule         done clear
  B)
  urethra done clear
  C)
  ureter               done clear
  D)
  none of these done clear
  View Solution play_arrow

• question_answer31)
  Reproduction is described as a phenomenon by which of these options?
  A)
  increase in size done clear
  B)
  increase in number done clear
  C)
  form new tissues and organs done clear
  D)
  develop from zygotes done clear
  View Solution play_arrow

• question_answer32)
  It is present in the respiratory system of insects, fish and mammals. It is
  A)
  spirades                       done clear
  B)
  tracheae done clear
  C)
  a thin moist surface     done clear
  D)
  all of these done clear
  View Solution play_arrow

• question_answer33)
  It is produced when muscle cells respire anaerobically. Its accumulation causes cramps. It is
  A)
  Alcohol                        done clear
  B)
  Tartaric acid done clear
  C)
  Lactic acid      done clear
  D)
  Oxalic acid done clear
  View Solution play_arrow

• question_answer34)
  These are tiny, irregular, star shaped structures that have no nuclei but they play an important roll in clotting of blood. These are
  A)
  RBC                            done clear
  B)
  WBC done clear
  C)
  Platelets       done clear
  D)
  Plasma done clear
  View Solution play_arrow

• question_answer35)
  It generates a force which pulls up water absorbed by the roots from the soil to reach the stem and leaves. It is
  A)
  transpiration                done clear
  B)
  transportation done clear
  C)
  stomata            done clear
  D)
  none of these done clear
  View Solution play_arrow

• question_answer36)
  It is a part of our circulatory system and is situated in our chest cavity. It is
  A)
  blood                           done clear
  B)
  heart done clear
  C)
  kidney                          done clear
  D)
  none of these done clear
  View Solution play_arrow

• question_answer37)
  The main organ of excretory system through which waste material (in the form of urine) is eliminated from the body. It is
  A)
  kidney              done clear
  B)
  sweat gland done clear
  C)
  urine                            done clear
  D)
  all of these done clear
  View Solution play_arrow

• question_answer38)
  Plasma is
  A)
  blood done clear
  B)
  fluid part of blood done clear
  C)
  red pigment present in blood done clear
  D)
  none of these done clear
  View Solution play_arrow

• question_answer39)
  Arteries are a type of blood vessel
  A)
  which carry oxygen rich blood from the heart to all other parts of the body. done clear
  B)
  which carry deoxygenated blood from the heart to all other parts of the body. done clear
  C)
  which carry deoxygenated blood and have thick elastic units. done clear
  D)
  none of the above is correct. done clear
  View Solution play_arrow

• question_answer40)
  Stethoscope is a device that is used by doctors to
  A)
  amplify the sound of the heart done clear
  B)
  check for diseases a patient is suffering from done clear
  C)
  to check for any type of infection in the body of the patient done clear
  D)
  all the above are correct done clear
  View Solution play_arrow

• question_answer41)
  DIRECTIONS: Match column I with column II and select the correct answer using the code given below the columns  

  Column-I	Column-II
  (A) Deoxygenated blood from body flows to it	(i) Right auricle
  (B) Deoxygenated blood from it flows to lungs	(ii) Right ventricle
  (C) Oxygenated blood from lungs flow to it	(iii) Left auricle
  (D) Oxygenated blood form it flows to body	(iv) Left ventricle

  A)
  (A) \[\to \] (i), (B) \[\to \] (ii), (C) \[\to \] (iii), (D) \[\to \] (iv) done clear
  B)
  (A) \[\to \] (ii), (B) \[\to \] (i), (C) \[\to \] (iii), (D) \[\to \] (iv) done clear
  C)
  (A) \[\to \] (i), (B) \[\to \] (ii), (C) \[\to \] (iv), (D) \[\to \] (iii) done clear
  D)
  (A) \[\to \] (ii), (B) \[\to \] (i), (C) \[\to \] (iv), (D) \[\to \] (iii) done clear
  View Solution play_arrow

• question_answer42)
  DIRECTIONS: Match column I with column II and select the correct answer using the code given below the columns

  Column-I	Column-II
  (A) Xylem	(i) transpiration
  (B) Pholem	(ii) transport of food
  (C) Root hairs	(iii) transport of water
  (D) Stomata	(iv) Absorption of water

  A)
  (A) \[\to \] (i), (B) \[\to \] (ii), (C) \[\to \] (iii), (D) \[\to \] (iv) done clear
  B)
  (A) \[\to \] (ii), (B) \[\to \] (iii), (C) \[\to \] (i), (D) \[\to \] (iv) done clear
  C)
  (A) \[\to \] (iii), (B) \[\to \] (ii), (C) \[\to \] (iv), (D) \[\to \] (i) done clear
  D)
  (A) \[\to \] (iii), (B) \[\to \] (ii), (C) \[\to \] (i), (D) \[\to \] (iv) done clear
  View Solution play_arrow

• question_answer43)
   DIRECTIONS: Match column I with column II and select the correct answer using the code given below the columns

  Column - I	Column - II
  (A) Plasma	(i) Blood vessel
  (B) Hemoglobin	(ii) fluid part of blood
  (C) Platelets	(iii) Binds with oxygen and transports it to all parts of the body
  (D) Artery	(iv) help in formation of clot

  A)
  (A) \[\to \] (i), (B) \[\to \] (ii), (C) \[\to \] (iii), (D) \[\to \] (iv) done clear
  B)
  (A) \[\to \] (ii), (B) \[\to \] (iii), (C) \[\to \] (iv), (D) \[\to \] (i) done clear
  C)
  (A) \[\to \] (iii), (B) \[\to \] (iv), (C) \[\to \] (i), (D) \[\to \] (ii) done clear
  D)
  (A) \[\to \] (iv), (B) \[\to \] (i), (C) \[\to \] (ii), (D) \[\to \] (iii) done clear
  View Solution play_arrow

• question_answer44)
  DIRECTIONS: Match column I with column II and select the correct answer using the code given below the columns

  Column-I	Column-II
  (A) Kidneys	(p) Air
  (B) Heart	(q) Food
  (C) Lungs	(r) Blood
  (D) Stomach	(s) Wastes

  A)
  (A) \[\to \] (p), (B) \[\to \] (r), (C) \[\to \] (s), (D) \[\to \] (q) done clear
  B)
  (A) \[\to \] (s), (B) \[\to \] (r), (C) \[\to \] (p), (D) \[\to \] (q) done clear
  C)
  (A) \[\to \] (r), (B) \[\to \] (p), (C) \[\to \] (s), (D) \[\to \] (q) done clear
  D)
  (A) \[\to \] (q), (B) \[\to \] (s), (C) \[\to \] (p), (D) \[\to \] (r) done clear
  View Solution play_arrow

• question_answer45)
  DIRECTIONS: Read the Passage (s) given below and answer the questions that follow. Passage - 1 Our blood consists of various types of cells. It is a liquid which has various types of cells suspended in it. It contains RBC, WBC, plasma and platelets. They have different functions to perform. Which of the following contains the pigment that binds oxygen and transports it to all parts of the body?
  A)
  RBC                            done clear
  B)
  WBC done clear
  C)
  Plasma                         done clear
  D)
  platelets done clear
  View Solution play_arrow

• question_answer46)
  DIRECTIONS: Read the Passage (s) given below and answer the questions that follow. Passage - 1 Our blood consists of various types of cells. It is a liquid which has various types of cells suspended in it. It contains RBC, WBC, plasma and platelets. They have different functions to perform. Which component of blood helps to fight against germs that may enter our body?
  A)
  RBC                            done clear
  B)
  WBC done clear
  C)
  both of these                done clear
  D)
  none of these done clear
  View Solution play_arrow

• question_answer47)
  DIRECTIONS: Read the Passage (s) given below and answer the questions that follow. Passage - 1 Our blood consists of various types of cells. It is a liquid which has various types of cells suspended in it. It contains RBC, WBC, plasma and platelets. They have different functions to perform. The fluid part of blood is called
  A)
  plasma             done clear
  B)
  platelets done clear
  C)
  both of these                done clear
  D)
  none of these done clear
  View Solution play_arrow

• question_answer48)
  DIRECTIONS: Read the Passage (s) given below and answer the questions that follow. Passage - 2 Plants have pipe-like vessels made up of special cells, forming the vascular tissues, for transport of water and nutrients from the soil. These vascular tissues are called xylem. The transportation of food is done by vascular tissues called phloem. Which of the following are involved in transport of substances in plants?
  A)
  Xylem                          done clear
  B)
  Phloem done clear
  C)
  both of these                done clear
  D)
  none of these done clear
  View Solution play_arrow

• question_answer49)
  DIRECTIONS: Read the Passage (s) given below and answer the questions that follow. Passage - 2 Plants have pipe-like vessels made up of special cells, forming the vascular tissues, for transport of water and nutrients from the soil. These vascular tissues are called xylem. The transportation of food is done by vascular tissues called phloem. The vascular tissue for transport of water and nutrients in plants is called
  A)
  Xylem              done clear
  B)
  Phloem done clear
  C)
  both of these                done clear
  D)
  none of these done clear
  View Solution play_arrow

• question_answer50)
  DIRECTIONS: Read the Passage (s) given below and answer the questions that follow. Passage - 2 Plants have pipe-like vessels made up of special cells, forming the vascular tissues, for transport of water and nutrients from the soil. These vascular tissues are called xylem. The transportation of food is done by vascular tissues called phloem. The continuous network of channels that connects roots to the leaves through the stem and branches is
  A)
  root hair          done clear
  B)
  xylem done clear
  C)
  phloem             done clear
  D)
  all of these done clear
  View Solution play_arrow

• question_answer51)
  DIRECTIONS: Read the Passage (s) given below and answer the questions that follow. Passage - 3 The evaporation of water from leaves generates a suction pull which can pull water to great heights in tall trees. What is the name of the process described in the passage?
  A)
  Evaporation                 done clear
  B)
  Suction done clear
  C)
  Transpiration       done clear
  D)
  Transportation done clear
  View Solution play_arrow

• question_answer52)
  DIRECTIONS: Read the Passage (s) given below and answer the questions that follow. Passage - 3 The evaporation of water from leaves generates a suction pull which can pull water to great heights in tall trees. Movement of sap through the plant is facilitated by
  A)
  absorption by roots done clear
  B)
  gravitational force done clear
  C)
  transpiration pull and absorption by roots done clear
  D)
  height of sap done clear
  View Solution play_arrow

• question_answer53)
  DIRECTIONS: Read the Passage (s) given below and answer the questions that follow. Passage - 3 The evaporation of water from leaves generates a suction pull which can pull water to great heights in tall trees. Water and minerals move to other parts of plant through
  A)
  xylem          done clear
  B)
  phloem done clear
  C)
  blood vessels                done clear
  D)
  stomata done clear
  View Solution play_arrow

• question_answer54)
  DIRECTIONS: Read the Passage (s) given below and answer the questions that follow. Passage - 4 The main organ of the human excretory system through which waste material is eliminated from the body is kidney. What is the major excretory product in humans?
  A)
  Sweat             done clear
  B)
  water done clear
  C)
  urea                 done clear
  D)
  salt done clear
  View Solution play_arrow

• question_answer55)
  DIRECTIONS: Read the Passage (s) given below and answer the questions that follow. Passage - 4 The main organ of the human excretory system through which waste material is eliminated from the body is kidney. Sweat contains
  A)
  urea                 done clear
  B)
  sodium chloride done clear
  C)
  water              done clear
  D)
  all of these done clear
  View Solution play_arrow

• question_answer56)
  DIRECTIONS: Read the Passage (s) given below and answer the questions that follow. Passage - 4 The main organ of the human excretory system through which waste material is eliminated from the body is kidney. Which of the following is used as artificial kidney in kidney failure patients?
  A)
  Dialysis            done clear
  B)
  Filter done clear
  C)
  Angiogram                   done clear
  D)
  Ventilation done clear
  View Solution play_arrow

• question_answer57)
  DIRECTIONS: The questions in this segment consists of two statements, one labelled as "Assertion A" and the other labelled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below Assertion (A): Heart is a tissue which acts as a pump. Reason (R): Heart is roughly the size of your fist.
  A)
  Both A and R are true and R is the correct explanation of A. done clear
  B)
  Both A and R are true but R is not the correct explanation of A. done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer58)
  DIRECTIONS: The questions in this segment consists of two statements, one labelled as "Assertion A" and the other labelled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below Assertion (A): The rhythmic beating of various chambers of the heart maintain circulation of blood. Reason (R): Pulse rate per minute indicates the rate of heartbeat.
  A)
  Both A and R are true and R is the correct explanation of A. done clear
  B)
  Both A and R are true but R is not the correct explanation of A. done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer59)
  DIRECTIONS: The questions in this segment consists of two statements, one labelled as "Assertion A" and the other labelled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below Assertion (A): Animals like sponges and Hydra do not possess any fluid like blood. Reason (R): Sponges and Hydra lack a circulatory system.
  A)
  Both A and R are true and R is the correct explanation of A. done clear
  B)
  Both A and R are true but R is not the correct explanation of A. done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer60)
  DIRECTIONS: The questions in this segment consists of two statements, one labelled as "Assertion A" and the other labelled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below Assertion (A): Several droplets of water are seen on the edges of leaves of roses in the morning. Reason (R): We give water to rose plants and some water falls on the leaves.
  A)
  Both A and R are true and R is the correct explanation of A. done clear
  B)
  Both A and R are true but R is not the correct explanation of A. done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer61)
  DIRECTIONS: Read the following two statements carefully and choose the correct options. (i) Arteries have no muscular walls (ii) Veins carry blood from different parts of the body to the heart.
  A)
  Statement (i) is correct while statement (ii) is incorrect. done clear
  B)
  Statement (ii) is correct while statement (i) is incorrect. done clear
  C)
  Both statements are correct done clear
  D)
  Both statements are incorrect. done clear
  View Solution play_arrow

• question_answer62)
  DIRECTIONS: Read the following two statements carefully and choose the correct options. (i)  Ureters connect the kidneys to the urinary bladder. (ii) Ureters filter the blood and collect wastes in kidneys.
  A)
  Statement (i) is correct while statement (ii) is incorrect. done clear
  B)
  Statement (ii) is correct while statement (i) is incorrect. done clear
  C)
  Both statements are correct done clear
  D)
  Both statements are incorrect. done clear
  View Solution play_arrow

• question_answer63)
  DIRECTIONS: Read the following two statements carefully and choose the correct options. (i)  Sap contains water, plasma and minerals (ii) Transport system in most autotrophs is blood circulation.
  A)
  Statement (i) is correct while statement (ii) is incorrect. done clear
  B)
  Statement (ii) is correct while statement (i) is incorrect. done clear
  C)
  Both statements are correct done clear
  D)
  Both statements are incorrect. done clear
  View Solution play_arrow

• question_answer64)
  DIRECTIONS: Read the following two statements carefully and choose the correct options. (i) In unicellular organisms transportation occur by diffusion and streaming movements of the cytoplasm. (ii) Humans beings transport nutrients, gases etc. by blood.
  A)
  Statement (i) is correct while statement (ii) is incorrect. done clear
  B)
  Statement (ii) is correct while statement (i) is incorrect. done clear
  C)
  Both statements are correct done clear
  D)
  Both statements are incorrect. done clear
  View Solution play_arrow

• question_answer65)
  DIRECTIONS: On the basis of following diagram/ picture answer the questions given below: The figure given below represents human excretory system. Identify the labeled part in which urine is stored.
  A)
  A                                  done clear
  B)
  B done clear
  C)
  C                                 done clear
  D)
  D done clear
  View Solution play_arrow

• question_answer66)
  DIRECTIONS: On the basis of following diagram/ picture answer the questions given below: Study the following diagram carefully and answer the following questions. Name the parts of the heart labeled A and B in the diagram.
  A)
  A = left atrium, B = valve done clear
  B)
  A = septum, B = right ventricle done clear
  C)
  A = right atrium, B = aorta done clear
  D)
  A = left atrium, B = septum done clear
  View Solution play_arrow

• question_answer67)
  How many times does the average adult heart beat per minute while at rest?
  A)
  40                                done clear
  B)
  120 done clear
  C)
  70              done clear
  D)
  90 done clear
  View Solution play_arrow

• question_answer68)
  A pulse is caused by
  A)
  the valves in an artery opening and closing done clear
  B)
  oxygen entering the blood in the lungs done clear
  C)
  changes in blood pressure in an artery done clear
  D)
  red blood cells colliding with each other in the arteries done clear
  View Solution play_arrow

• question_answer69)
  DIRECTIONS: On the basis of following diagram/ picture answer the questions given below: A stick of celery is left in a beaker containing a solution of blue food colouring. After two days, the celery is taken out and it is seen that parts of the celery have turned blue. What is the name given to the blue part of the plant?
  A)
  Phloem            done clear
  B)
  Leaf done clear
  C)
  Stomata                       done clear
  D)
  Xylem done clear
  View Solution play_arrow

• question_answer70)
  An organ which pumps deoxygenated blood to the lungs and oxygenated blood to the body.
  A)
  Kidney            done clear
  B)
  Heart done clear
  C)
  Lung                            done clear
  D)
  Vein done clear
  View Solution play_arrow

• question_answer71)
  In flatworms like Helicometra the circulator system is ________.
  A)
  Open circulatory system done clear
  B)
  Closed circularly system done clear
  C)
  Absent done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer72)
  Heart is four chambered in case of-
  A)
  Aves and mammals     done clear
  B)
  Amphibians done clear
  C)
  Reptilians                     done clear
  D)
  Cephalopods done clear
  View Solution play_arrow

• question_answer73)
  Which is protein part of the blood
  A)
  Erythrocytes                 done clear
  B)
  Leukocytes done clear
  C)
  Platelets                       done clear
  D)
  Plasma done clear
  View Solution play_arrow

• question_answer74)
  A genetic illness that causes a disinfection in one of the blood clotting mechanism
  A)
  Anemia                        done clear
  B)
  Hemophilia done clear
  C)
  Leukemia                     done clear
  D)
  Thrombophilia done clear
  View Solution play_arrow

• question_answer75)
  A fibrous, non-globular protein which is involved in the clotting mechanism-
  A)
  Anemia           done clear
  B)
  Hemophilia done clear
  C)
  Leukemia                     done clear
  D)
  Thrombophilia done clear
  View Solution play_arrow

• question_answer76)
  Mummy has put some grain seeds in a tumbler and poured some water on it in the night. In the morning she saw that gram seeds has swollen up. Can you say why this has happened?
  A)
  because of osmosis done clear
  B)
  because of turgor pressure done clear
  C)
  because of diffusion done clear
  D)
  because of transpiration done clear
  View Solution play_arrow

• question_answer77)
  These have thin and elastic walls-
  A)
  Arteries                        done clear
  B)
  Veins done clear
  C)
  Capillaries                   done clear
  D)
  Superior vena cava done clear
  View Solution play_arrow

• question_answer78)
  Relaxation of the heart muscle is called as
  A)
  Diastole      done clear
  B)
  Pulse done clear
  C)
  Systole                         done clear
  D)
  Heartbeat done clear
  View Solution play_arrow

• question_answer79)
  Ammonotelism is basically found in which type of animals-
  A)
  Mammals                     done clear
  B)
  Aves done clear
  C)
  Aquatic          done clear
  D)
  Reptilia done clear
  View Solution play_arrow

• question_answer80)
  Mineral, water, lactate and urea are present in-
  A)
  Our sweat       done clear
  B)
  Our kidney done clear
  C)
  Out lungs                     done clear
  D)
  Our ureter done clear
  View Solution play_arrow

• question_answer81)
  Mesoglea is present in-
  A)
  Sponges          done clear
  B)
  Hydra done clear
  C)
  Spirogyra                     done clear
  D)
  Vaucheria done clear
  View Solution play_arrow

• question_answer82)
  Which part of the blood transport the waste product urea from the liver to the kidney.
  A)
  Red Blood cells            done clear
  B)
  White Blood cells done clear
  C)
  Plasma done clear
  D)
  Platelets done clear
  View Solution play_arrow

• question_answer83)
  Throbbing that occurs in arteries due to flowing of blood is called as-
  A)
  heart beat                    done clear
  B)
  pulse done clear
  C)
  blood circulation          done clear
  D)
  pulmonary circulation done clear
  View Solution play_arrow

• question_answer84)
  An opening in xylem vessel through which lot of water can pass through.
  A)
  Lignin             done clear
  B)
  Lumen done clear
  C)
  Lamella                        done clear
  D)
  Stomata done clear
  View Solution play_arrow

• question_answer85)
  An elongated, tube like dead cell with thick and lignified wall which possess large cell cavity.
  A)
  plasmodesmata            done clear
  B)
  Tracheid?s done clear
  C)
  xylem vessel                 done clear
  D)
  sieve tube done clear
  View Solution play_arrow

• question_answer86)
  The process of carrying food material from leaf to different parts of the plant is called -
  A)
  Transportation             done clear
  B)
  Transpiration done clear
  C)
  Translocation     done clear
  D)
  Diffusion done clear
  View Solution play_arrow

• question_answer87)
  A granulocytes and Granulocytes are those having nuclei. Can you tell these are parts of which type of blood?
  A)
  Leukocytes     done clear
  B)
  Erythrocytes done clear
  C)
  Thrombocytes              done clear
  D)
  Blood platelet done clear
  View Solution play_arrow

• question_answer88)
  Dead, complex permanent tissue present in the plant.
  A)
  Phloem vessel              done clear
  B)
  Xylem vessel done clear
  C)
  Sieve tube                    done clear
  D)
  Companion cell done clear
  View Solution play_arrow

• question_answer89)
  Nitrogen, phosphorus, potassium, sulphur are some nutrients which plants get from the soil. These nutrients are called ______.
  A)
  Micronutrients              done clear
  B)
  Macronutrients done clear
  C)
  Minerals                       done clear
  D)
  Carbohydrates done clear
  View Solution play_arrow

• question_answer90)
  Which type of pressure is responsible for the rise of water to some height?
  A)
  Turgor pressure            done clear
  B)
  Root pressure done clear
  C)
  Osmotic pressure         done clear
  D)
  Atmospheric pressure done clear
  View Solution play_arrow

• question_answer91)
  Tell the arrangement in which phloem is surrounded by a ring of xylem vessel.
  A)
  collateral                      done clear
  B)
  Bicollateral done clear
  C)
  Amphicrihral                done clear
  D)
  Amphivasal done clear
  View Solution play_arrow

• question_answer92)
  In between xylem and phloem there is a layer called _______.
  A)
  Meristem                      done clear
  B)
  Medulla done clear
  C)
  Cambium          done clear
  D)
  Midrib done clear
  View Solution play_arrow

• question_answer93)
  In sieve tube of phloem which sugar is dissolved in \[{{H}_{2}}O\] to form sap
  A)
  Fructose          done clear
  B)
  Glucose done clear
  C)
  Sucrose         done clear
  D)
  Cellulose done clear
  View Solution play_arrow

• question_answer94)
  Why is blood that flows from lungs to the heart bright red rather than dark red?
  A)
   \[\text{C}{{\text{O}}_{\text{2}}}\] makes it red done clear
  B)
  Oxygen makes it red done clear
  C)
  Gastric juices make it red done clear
  D)
  Lungs add a pigment to blood done clear
  View Solution play_arrow

• question_answer95)
  DIRECTION: Match Column I with column II and select the correct answers using the code given below the columns

  Column-I	Column-II
  (A) RBC	(p) clotting
  (B) WBC	(q) transportation
  (C) Platelets	(r) Carries\[{{\text{O}}_{\text{2}}}\]& \[\text{C}{{\text{O}}_{\text{2}}}\]
  (D) plasma	(s) protects the body

  A)
  (A) \[\to \] (s), (B) \[\to \] (p), (C) \[\to \] (q), (D) \[\to \] (r) done clear
  B)
  (A) \[\to \] (p), (B) \[\to \] (r), (C) \[\to \] (s), (D) \[\to \] (q) done clear
  C)
  (A) \[\to \] (q), (B) \[\to \] (p), (C) \[\to \] (r), (D) \[\to \] (s) done clear
  D)
  (A) \[\to \] (r), (B) \[\to \] (s), (C) \[\to \] (p), (D) \[\to \] (q) done clear
  View Solution play_arrow

• question_answer96)
  DIRECTION: Match Column I with column II and select the correct answers using the code given below the columns

  Column-I	Column-II
  (A) Nephrons	(p) heart
  (B) auricle	(q) urinary bladder
  (C) xylem	(r) Kidney
  (D) urine	(s) Plant

  A)
  (A) \[\to \] (r), (B) \[\to \] (p), (C) \[\to \] (s), (D) \[\to \] (q) done clear
  B)
  (A) \[\to \] (q), (B) \[\to \] (r), (C) \[\to \] (p), (D) \[\to \] (s) done clear
  C)
  (A) \[\to \] (p), (B) \[\to \] (q), (C) \[\to \] (s), (D) \[\to \] (r) done clear
  D)
  (A) \[\to \] (r), (B) \[\to \] (q), (C) \[\to \] (s), (D) \[\to \] (p) done clear
  View Solution play_arrow

• question_answer97)
  DIRECTION: Match Column I with column II and select the correct answers using the code given below the columns

  Column-I	Column-II
  (A) RBC	(p) fist size
  (B) urinary bladder	(q) bean shaped
  (C) Kidney	(r) balloon shaped
  (D) Heart	(s) disc shaped

  A)
  (A) \[\to \] (q), (B) \[\to \] (r), (C) \[\to \] (s), (D) \[\to \] (p) done clear
  B)
  (A) \[\to \] (s), (B) \[\to \] (q), (C) \[\to \] (s), (D) \[\to \] (q) done clear
  C)
  (A) \[\to \] (s), (B) \[\to \] (r), (C) \[\to \] (q), (D) \[\to \] (p) done clear
  D)
  (A) \[\to \] (p), (B) \[\to \] (q), (C) \[\to \] (r), (D) \[\to \] (s) done clear
  View Solution play_arrow

• question_answer98)
  DIRECTION: Match Column I with column II and select the correct answers using the code given below the columns

  Column-I	Column-II
  (A) xylem	(p) companion cells
  (B) phloem	(q) root hairs
  (C) Stomata	(r) tracheid?s
  (D) Root	(s) guard cells

  A)
  (A) \[\to \] (s), (B) \[\to \] (r), (C) \[\to \] (p), (D) \[\to \] (q) done clear
  B)
  (A) \[\to \] (r), (B) \[\to \] (p), (C) \[\to \] (s), (D) \[\to \] (q) done clear
  C)
  (A) \[\to \] (q), (B) \[\to \] (s), (C) \[\to \] (r), (D) \[\to \] (p) done clear
  D)
  (A) \[\to \] (p), (B) \[\to \] (q), (C) \[\to \] (s), (D) \[\to \] (r) done clear
  View Solution play_arrow

• question_answer99)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow Passage - 1 Heart is an organ which beats continuously to act as a pump for transport of blood, which carries other substances. The heart is located in the chest cavity with its lower tip slightly tilted towards the left. Your heart is roughly the size of your fist. To avoid the mixing of blood rich in oxygen and the blood rich in carbon dioxide, the heart has
  A)
  two atria          done clear
  B)
  two ventricles done clear
  C)
  four chambers   done clear
  D)
  none of these done clear
  View Solution play_arrow

• question_answer100)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow Passage - 1 Heart is an organ which beats continuously to act as a pump for transport of blood, which carries other substances. The heart is located in the chest cavity with its lower tip slightly tilted towards the left. Your heart is roughly the size of your fist. When arteries reach the tissues, they divide into
  A)
  capillaries        done clear
  B)
  tubules done clear
  C)
  veins                            done clear
  D)
  none of these done clear
  View Solution play_arrow

• question_answer101)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow Passage - 1 Heart is an organ which beats continuously to act as a pump for transport of blood, which carries other substances. The heart is located in the chest cavity with its lower tip slightly tilted towards the left. Your heart is roughly the size of your fist. Pulse is due to
  A)
  blood flowing is arteries done clear
  B)
  blood flowing in veins done clear
  C)
  blood flowing through capillaries done clear
  D)
  none of these done clear
  View Solution play_arrow

• question_answer102)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow Passage - 2 The process of waste disposal or removal of wastes is called excretion. In plants, water and salts are absorbed by roots and carried by xylem. Plants store some waste products. These are useful to us. Where do plants store their wastes?
  A)
  Old leaves                    done clear
  B)
  Vacuoles done clear
  C)
  Both (a) and (b)           done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer103)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow Passage - 2 The process of waste disposal or removal of wastes is called excretion. In plants, water and salts are absorbed by roots and carried by xylem. Plants store some waste products. These are useful to us. The cause of movement of water against gravity in a plant is
  A)
  Osmosis done clear
  B)
  photosynthesis done clear
  C)
  transpiration done clear
  D)
  excretion done clear
  View Solution play_arrow

• question_answer104)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow Passage - 2 The process of waste disposal or removal of wastes is called excretion. In plants, water and salts are absorbed by roots and carried by xylem. Plants store some waste products. These are useful to us. The solution of minerals, water, food and gases that is carried through xylem and phloem is called
  A)
  sol                                done clear
  B)
  Sap done clear
  C)
  cytoplasm                    done clear
  D)
  protoplasm done clear
  View Solution play_arrow

• question_answer105)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow Passage - 3 Excretory system varies in different animals some animals live in water and so their waste product is ammonia which directly dissolve in water. Which animals excrete wastes in the form of ammonia?
  A)
  humans                        done clear
  B)
  birds done clear
  C)
  fish                               done clear
  D)
  all of these done clear
  View Solution play_arrow

• question_answer106)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow Passage - 3 Excretory system varies in different animals some animals live in water and so their waste product is ammonia which directly dissolve in water. What is the major excretory product in humans?
  A)
  uric acid                      done clear
  B)
  urea done clear
  C)
  ammonia                     done clear
  D)
  All of these done clear
  View Solution play_arrow

• question_answer107)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow Passage - 3 Excretory system varies in different animals some animals live in water and so their waste product is ammonia which directly dissolve in water. Where are kidneys located in humans?
  A)
  chest done clear
  B)
  abdomen done clear
  C)
  hands done clear
  D)
  left side of the body done clear
  View Solution play_arrow

• question_answer108)
  DIRECTIONS: The questions in this segment consists of two statements, one labeled as ?Assertion A? and the other labeled as ?Reason R?. You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion (A): Circulatory system consists of the heart, the lungs and blood vessels. Reason (R): Blood is a fluid which flows in blood vessels.
  A)
  Both A and R are true and R is the correct explanation of A. done clear
  B)
  Both A and R are true but R is not the correct explanation of A. done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer109)
  DIRECTIONS: The questions in this segment consists of two statements, one labeled as ?Assertion A? and the other labeled as ?Reason R?. You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion (A): Arteries have a thick elastic wall. Reason (R): In arteries blood flow is rapid and at high pressure
  A)
  Both A and R are true and R is the correct explanation of A. done clear
  B)
  Both A and R are true but R is not the correct explanation of A, done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer110)
  DIRECTIONS: The questions in this segment consists of two statements, one labeled as ?Assertion A? and the other labeled as ?Reason R?. You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion (A): Pulmonary artery carries impure blood to the lungs Reason (R): Pulmonary vein carries impure blood from lungs to heart.
  A)
  Both A and R are true and R is the correct explanation of A. done clear
  B)
  Both A and R are true but R is not the correct explanation of A, done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer111)
  DIRECTIONS: The questions in this segment consists of two statements, one labeled as ?Assertion A? and the other labeled as ?Reason R?. You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion (A): water absorbed by roots from the soil reaches the top of all trees. Reason (R): The force generated during transpiration helps to pull the water up.
  A)
  Both A and R are true and R is the correct explanation of A. done clear
  B)
  Both A and R are true but R is not the correct explanation of A, done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer112)
  DIRECITONS: Read the following three statements and choose the correct answer. (i) Lower chambers of the heart are called auricles (ii) Upper chambers of the heart are called ventricles. (iii) These are no values in a heart.
  A)
  Statement (i) and (iii) are incorrect but (ii) is correct done clear
  B)
  Statement (i) and (ii) are incorrect but (iii) is correct done clear
  C)
  All statements are correct done clear
  D)
  All statements are incorrect done clear
  View Solution play_arrow

• question_answer113)
  DIRECITONS: Read the following three statements and choose the correct answer. (i) Gas exchange in the alveoli happens through capilaries. (ii) Oxygenated blood is pumped to all other parts of the body from left ventricle. (iii) Arteries have thicker walls than veins
  A)
  Statement (i) and (iii) are incorrect but (ii) is correct done clear
  B)
  Statement (i) and (ii) are incorrect but (iii) is correct done clear
  C)
  All statements are correct done clear
  D)
  All statements are incorrect done clear
  View Solution play_arrow

• question_answer114)
  DIRECITONS: Read the following three statements and choose the correct answer. (i) Calcium is needed for haemoglobin formation (ii) R B Cs is red due to haemoglobin (iii) Protein part in haemoglobin is haeme
  A)
  Statement (i) and (iii) are incorrect but (ii) is correct done clear
  B)
  Statement (i) and (ii) are incorrect but (iii) is correct done clear
  C)
  All statements are correct done clear
  D)
  All statements are incorrect done clear
  View Solution play_arrow

• question_answer115)
  DIRECTIONS: On the basis of following diagram/ picture answer the questions given below. Look at the following diagram and answer the following questions. A in this diagram indicates which of the following?
  A)
  Aorta done clear
  B)
  vein done clear
  C)
  Pulmonary artery         done clear
  D)
  Pulmonary vein done clear
  View Solution play_arrow

• question_answer116)
  DIRECTIONS: On the basis of following diagram/ picture answer the questions given below. Look at the following diagram and answer the following questions. B in this diagram indicates which of the following?
  A)
  veins                done clear
  B)
  Aorta done clear
  C)
  Pulmonary artery         done clear
  D)
  Pulmonary vein done clear
  View Solution play_arrow

• question_answer117)
  DIRECTIONS: On the basis of following diagram/ picture answer the questions given below. Look at the following diagram. Identify the parts labeled as P and Q.
  A)
  P = urethra, Q = renal vein done clear
  B)
  P = urethra, Q = bladder done clear
  C)
  P = urethra, Q = renal vein done clear
  D)
  P= ureter, Q= kidney done clear
  View Solution play_arrow

• question_answer118)
  DIRECTIONS: On the basis of following diagram/ picture answer the questions given below. A pupil did an experiment to investigate the loss of water by plants. The apparatus that she used is shown in the diagram. The rate at which the water level fell (water loss) in the measuring cylinder was measured at regular time intervals, (i) for a plant without the hair dryer, (ii) for a plant with a hair dryer blowing warm air over the leaves, and (iii) fora plant with a hair dryer blowing cool air over the leaves. The pupil used the data to draw the graph shown. Match up the three graphs with their corresponding conditions
  A)
  A = warm air, B = normal, C = cool air done clear
  B)
  A = normal, B = cool air, C = warm air done clear
  C)
  A = cool air, B = normal, C = warm air done clear
  D)
  A = normal, B = warm air, C = cool air done clear
  View Solution play_arrow