10th Class Science Life Processes Question Bank

done Life Processes Total Questions - 50

• question_answer1)
  Identify the type of nutrition exhibited by the given figure.
  A)
  Autotrophic nutrition done clear
  B)
  Saprophytic nutrition done clear
  C)
  Parasitic nutrition done clear
  D)
  Symbiotic nutrition done clear
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• question_answer2)
  What is the aim of the given experiment?  
  A)
  To show that chlorophyll is necessary for photosynthesis done clear
  B)
  To show that sunlight is necessary for photosynthesis done clear
  C)
  To show that oxygen is released as a result of photosynthesis done clear
  D)
  To show that leaves can be double colored done clear
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• question_answer3)
  What is substance 'X' in the given experimental setup?
  A)
  Potassium hydroxide done clear
  B)
  Sodium bicarbonate done clear
  C)
  Sodium carbonate done clear
  D)
  Potassium sulphate done clear
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• question_answer4)
  What happens to the air as it passes through the nasal cavity?
  A)
  Filtered in the nostrils done clear
  B)
  Moistened by mucus done clear
  C)
  Warmed to the body temperature done clear
  D)
  All of these done clear
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• question_answer5)
  Identify correctly the parts labelled Q, R and S in the figure given below                
  A)

  Q	R	S
  Bronchus	Bronchiole	Trachea

  done clear
  B)
   

  Q	R	S
  Trachea	Bronchus	Bronchiole

  done clear
  C)
   

  Q	R	S
  Bronchiole	Trachea	Bronchus

  done clear
  D)
   

  Q	R	S
  Trachea	Bronchus	Alveolus

  done clear
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• question_answer6)
  Identify pathway of carbon dioxide after the exchange of gases in lungs?
  A)
  \[\text{Alveolus}~\to \text{bronchiole}~\to \text{bronchus}\to \] \[\text{trachea}\to \text{nose}\] done clear
  B)
  \[\text{Alveolus}~\to \text{bronchus}~\to \text{bronchiole}\to \] \[\text{trachea}\to \text{nose}\] done clear
  C)
  \[\text{Trachea}~\to \text{bronchus}\to \text{bronchiole}\to \] \[\text{alveolus}\to \text{nose}\] done clear
  D)
  \[\text{Trachea}~\to \text{bronchiole}~\to \text{bronchus}\to \] \[\text{alveolus}\to \text{nose}\] done clear
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• question_answer7)
  Which of the following completes the given equation? \[\text{Glu}\text{cose}+\text{Oxygen}\to \,(\,?\,)\]
  A)
  Only carbon dioxide + water + energy done clear
  B)
  Only carbon dioxide + water done clear
  C)
  Only carbon dioxide done clear
  D)
  Only water + energy done clear
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• question_answer8)
  =Which of the following take place after we exercise?
  A)
  Out body needs more oxygen. done clear
  B)
  Our body needs to replace the energy used. done clear
  C)
  Our body needs to get rid of excess carbon dioxide. done clear
  D)
  All of these done clear
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• question_answer9)
  Gas 'P' diffuses from a capillary into an alveolus in the lungs. When is gas 'P' expelled out from the alveolus?
  A)
  During inhalation done clear
  B)
  During exhalation done clear
  C)
  During respiration done clear
  D)
  During inspiration done clear
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• question_answer10)
  Which of the above features make alveoli suitable for the exchange of gases?
  A)
  They form a very large surface area. done clear
  B)
  They have a very thin wall. done clear
  C)
  They are covered with blood capilaries. done clear
  D)
  All of these done clear
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• question_answer11)
  Identify blood vessels X, Y and Z.                
  A)

  X	Y	Z
  Artery	Capillary	Vein

  done clear
  B)
   

  X	Y	Z
  Artery	Vein	Capillary

  done clear
  C)
   

  X	Y	Z
  Vein	Artery	Capillary

  done clear
  D)
   

  X	Y	Z
  Capillary	Artery	Vein

  done clear
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• question_answer12)
  Which of these samples is most probably from a pulmonary artery?
  A)
  P                                            done clear
  B)
  Q                            done clear
  C)
  R   done clear
  D)
  S done clear
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• question_answer13)
  In which of the following processes the energy stored in carbohydrates is released?
  A)
  Photosynthesis                done clear
  B)
  Respiration                        done clear
  C)
  Reproduction                   done clear
  D)
  Nutrition done clear
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• question_answer14)
  Which of the following cell organelles carries out photosynthesis?
  A)
  Chloroplast                        done clear
  B)
  Mitochondria    done clear
  C)
  Cytoplasm                          done clear
  D)
  Nucleus                               done clear
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• question_answer15)
  Identify the process of respiration in amoeba.
  A)
  Transpiration    done clear
  B)
  Osmosis                              done clear
  C)
  Diffusion                             done clear
  D)
  Inhalation done clear
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• question_answer16)
  Identify the gas that is evolved as gas bubbles in the test tube.
  A)
  Oxygen                               done clear
  B)
  Carbon dioxide                done clear
  C)
  Nitrogen                             done clear
  D)
  Hydrogen done clear
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• question_answer17)
  What is the aim of the given experiment?
  A)
  To prove that sunlight is essential for photosynthesis done clear
  B)
  To prove that carbondioxide is essential for photosynthesis done clear
  C)
  To prove that water is essential for photosynthesis done clear
  D)
  To prove that chlorophyll is essential for photosynthesis done clear
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• question_answer18)
  The equation given below represents photosynthesis. Identify P and Q. \[P+water\frac{sunlight}{chlorophyll}glucose+Q\]
  A)
  P - Carbondioxide, Q - Oxygen done clear
  B)
  P - Oxygen, Q - Oxygen done clear
  C)
  P - Carbondioxide, Q - Carbondioxide done clear
  D)
  P - Oxygen, Q - Carbondioxide done clear
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• question_answer19)
  What is the aim of the given experiment?
  A)
  To show respiration in leaves. done clear
  B)
  To show transpiration in leaves. done clear
  C)
  To show that sunlight is essential for photosynthesis. done clear
  D)
  To show tropic movements. done clear
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• question_answer20)
  Which of the following gases represents X in the given graph?
  A)
  Oxygen                               done clear
  B)
  Carbon dioxide done clear
  C)
  Nitrogen                             done clear
  D)
  Water vapour done clear
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• question_answer21)
  Which of the following sequences is in the correct order to know the steps involved to test the presence of starch in a leaf

  P - Boil the leaf in alcohol in a water bath.

  Q - Add iodine solution.

  R - Wash the leaf in water.

  S - Boil the leaf in water.

  A)
  S, Q, R and P                      done clear
  B)
  P, S, Q and R                      done clear
  C)
  Q, R, P and S                      done clear
  D)
  S, P, R and Q done clear
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• question_answer22)
  Identify the correct matching of P, Q, R with its function.

  (i) Water is absorbed from undigested food here.

  (ii) End products of digestion are absorbed here.

  (iii) Gastric juice that digests protein is secreted here.

  A)

  P	Q	R
  ii	iii	i

  done clear
  B)
   

  P	Q	R
  iii	ii	i

  done clear
  C)
   

  P	Q	R
  ii	i	iii

  done clear
  D)
   

  P	Q	R
  iii	i	ii

  done clear
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• question_answer23)
  Which of the following foods, when consumed in excess, cause the deposition of substance X in an artery as in the given figure?
  A)
  Banana                                done clear
  B)
  Strawberries done clear
  C)
  Citrus fruits                        done clear
  D)
  Poultry done clear
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• question_answer24)
  What are the role of organs 1 (liver) and 2 (Pancreas) in the metabolism of monosaccharides?                
  A)

  Organs 1	Organs 2
  Converts glucose as glycogen	Secretes insulin

  done clear
  B)
   

  Organs 1	Organs 2
  Converts glycogen to glucose	Secretes amylase

  done clear
  C)
   

  Organs 1	Organs 2
  Breaks down excess amino acids	Secretes pepsin

  done clear
  D)
   

  Organs 1	Organs 2
  Synthesize glycogen	Secretes renin

  done clear
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• question_answer25)
  Which of the following labelled parts of the circulatory system has the highest concentration of oxygen?
  A)
  P and Q               done clear
  B)
  Q and S                                done clear
  C)
  R and P                done clear
  D)
  S and R done clear
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• question_answer26)
  Which of the following glands produce amylolytic enzymes?
  A)
  Salivary glands and liver done clear
  B)
  Stomach and pancreas done clear
  C)
  Salivary glands and pancreas done clear
  D)
  Stomach and liver done clear
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• question_answer27)
  Which of the following correctly identifies the numbered structures and directions of blood flow?
  A)
   

  P	Q	R	S
  Alveolar	Venule	To pulmonary vein	From pulmonary artery

  done clear
  B)
   

  P	Q	R	S
  Bronchiole	Arteriole	To pulmonary artery	From pulmonary vein

  done clear
  C)
   

  P	Q	R	S
  Alveolus	Capillary	To pulmonary vein	From pulmonary artery

  done clear
  D)
   

  P	Q	R	S
  Lung	Air sac	To pulmonary artery	From pulmonary vein

  done clear
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• question_answer28)
  Identify the blood sample taken from a pulmonary vein?
  A)
  P                                            done clear
  B)
  Q                                            done clear
  C)
  R                                            done clear
  D)
  S done clear
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• question_answer29)
  Which of the following statements is/are true about the given figure?
  A)
  The food below the ring has been used up. done clear
  B)
  Food cannot be transported to the part below the ring. done clear
  C)
  Water and mineral salts cannot be transported done clear
  D)
  Both (a) & (b) done clear
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• question_answer30)
  Which of the following processes occur in the part shown below?
  A)
  Tubular secretion done clear
  B)
  Tubular reabsorption done clear
  C)
  Ultra filtration done clear
  D)
  All of the above done clear
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• question_answer31)
  Which of the following is the common phase between aerobic and anaerobic respiration?
  A)
  Glycolysis                           done clear
  B)
  Krebs's cycle                     done clear
  C)
  TCA cycle                            done clear
  D)
  EMP pathway done clear
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• question_answer32)
  Which of the following are found in the blood but not in the lymph?
  A)
  Erythrocytes     done clear
  B)
  Platelets                             done clear
  C)
  Plasma                                 done clear
  D)
  All of these done clear
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• question_answer33)
  Identify P, Q and R in the given figure?
  A)
  P-Gastric gland, Q-Pancreas, R-Small intestine done clear
  B)
  P-Salivary glands, Q-Stomach, R-Large intestine done clear
  C)
  P-Gastric gland, Q-Pancreas, R-Large intestine done clear
  D)
  P-Salivary glands, Q-Pancreas, R-Small intestine done clear
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• question_answer34)
  Identify X, Y and Z.
  A)
  X-Glycolysis, Y-Anaerobic, Z-Aerobic done clear
  B)
  X-Krebs's cycle, Y-Aerobic, Z-Anaerobic done clear
  C)
  X-Glycolysis, Y-Aerobic, Z-Anaerobic done clear
  D)
  X-Glycolysis, Y-Aerobic, Z-Krebs's cycle done clear
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• question_answer35)
  Which of the following enzymes helps in the curdling of milk?
  A)
  Pepsin                                 done clear
  B)
  Renin                   done clear
  C)
  \[HCl\]                                 done clear
  D)
  Trypsin done clear
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• question_answer36)
  Which of the following conclusions can be made from the given experiment?
  A)
  Green plants give out oxygen during photosynthesis. done clear
  B)
  The green leaf contains chlorophyll. done clear
  C)
  Sunlight is needed to make food. done clear
  D)
  Green plants manufacture starch as food. done clear
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• question_answer37)
  Which of the following options represents normal blood pressure?
  A)
  120/80 mm of Hg done clear
  B)
  120/60 mm of Hg done clear
  C)
  180/80 mm of Hg done clear
  D)
  160/90 mm of Hg done clear
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• question_answer38)
  Which of the following instruments is used to measure the blood pressure?
  A)
  Manometer done clear
  B)
  Barometer done clear
  C)
  Sphygmomanometer done clear
  D)
  Photometer done clear
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• question_answer39)
  Which of the following is used artificially to remove nitrogenous waste products from the blood?
  A)
  Ventilator                           done clear
  B)
  Transfusion                       done clear
  C)
  Hemodialysis done clear
  D)
  Angiogram                         done clear
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• question_answer40)
  Which of the following substances are removed from blood in the kidneys?
  A)
  Water                                  done clear
  B)
  Urea                     done clear
  C)
  Sodium                                done clear
  D)
  Ammonia done clear
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• question_answer41)
  Which of the following is the structural and functional unit of the excretory system?
  A)
  Neuron                               done clear
  B)
  Nephron                             done clear
  C)
  Alveolus                              done clear
  D)
  Both (a) and (b) done clear
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• question_answer42)
  What conclusion can be drawn from the given experiment?
  A)
  Exhaled air contains more oxygen than inhaled air. done clear
  B)
  Inhaled air contains more carbon dioxide than exhaled air. done clear
  C)
  Exhaled air contains more carbon dioxide than inhaled air. done clear
  D)
  Exhaled air contains more nitrogen than inhaled air. done clear
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• question_answer43)
  Which of the following figures represents the human circulatory system?
  A)
        done clear
  B)
      done clear
  C)
    done clear
  D)
  done clear
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• question_answer44)
  Which of the following statements is correct?
  A)
  Plants carry out photosynthesis during the day and respiration all the time. done clear
  B)
  Plants carry out photosynthesis during the night and respiration during the day. done clear
  C)
  Plants carry out photosynthesis all the time. done clear
  D)
  Plants get their food from the soil. done clear
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• question_answer45)
  What happens when structure P contracts and flattens?
  A)
  Air is forced out of the lungs. done clear
  B)
  The volume of the thoracic cavity increases. done clear
  C)
  The rib cage moves downwards and inwards. done clear
  D)
  The air pressure in the lungs increases. done clear
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• question_answer46)
  Which of these blood vessels labelled P, Q, R and S carries blood to the lungs?
  A)
  P                            done clear
  B)
  Q                            done clear
  C)
  R                            done clear
  D)
  S done clear
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• question_answer47)
  Identify P and Q.  

  Component	Function
  P	Transports digested food to cells.
  Q	Helps in blood clotting

                 
  A)

  P	Q
  Platelets	White blood cells

  done clear
  B)
   

  P	Q
  Red blood cells	Platelets

  done clear
  C)
   

  P	Q
  Plasma	Platelets

  done clear
  D)
   

  P	Q
  White blood cells	plasma

  done clear
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• question_answer48)
  Identify P in the given figure.
  A)
  Oxygen                               done clear
  B)
  Water vapour                   done clear
  C)
  Carbon dioxide                done clear
  D)
  Hydrogen done clear
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• question_answer49)
  Identify X, Y and Z.

  X - Transports blood to the heart

  Y - Connects the arteries and veins

  Z - Transports blood away from the heart

                 
  A)

  X	Y	Z
  Capillaries	Veins	Arteries

  done clear
  B)
   

  X	Y	Z
  Arteries	Veins	Capillaries

  done clear
  C)
   

  X	Y	Z
  Veins	Capillaries	Arteries

  done clear
  D)
   

  X	Y	Z
  Capillaries	Arteries	Veins

  done clear
  View Solution play_arrow

• question_answer50)
  Which chamber is the first to receive oxygenated blood from the lungs in the figure given below?
  A)
  W                                           done clear
  B)
  X                            done clear
  C)
  Y                             done clear
  D)
  Z done clear
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