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question_answer1)
Which one of the following cell organelles contain the light- absorbing green pigment chlorophyll?
A)
Mitochondria done
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B)
Ribosomes done
clear
C)
Chloroplast done
clear
D)
Nucleolus done
clear
E)
None of these done
clear
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question_answer2)
The opening and closing of stomata is regulated by:
A)
Lenticel done
clear
B)
Guard cells done
clear
C)
Sieve cells done
clear
D)
All the above done
clear
E)
None of these done
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question_answer3)
Which one of the following is a parasite?
A)
Hookworms done
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B)
Tapeworms done
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C)
Leeches done
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D)
All the above done
clear
E)
None of these done
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question_answer4)
Which one of the following statements is correct?
Statement 1: In aerobic respiration, 38 molecules of ATP are produced by complete oxidation of one gram-mole of glucose. |
Statement 2: In anaerobic respiration only 2 molecules of ATP are formed. |
A)
Statement 1 done
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B)
Statement 2 done
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C)
Both the statement are correct done
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D)
Both statements are in correct done
clear
E)
None of these done
clear
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question_answer5)
Which of the following acids is the end product of Fermentation?
A)
Lactic acid done
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B)
Hydrochloric acid done
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C)
Citric acid done
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D)
Pyruvic acid done
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E)
None of these done
clear
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question_answer6)
What is the function of blood?
A)
Transportation of respiratory gases. done
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B)
Regulation of body temperature. done
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C)
Transportation of waste products. done
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D)
All the above done
clear
E)
None of these done
clear
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question_answer7)
One complete contraction and relaxation of the heart is called:
A)
Systole done
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B)
Diastole done
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C)
Heart Beat done
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D)
Blood pressure done
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E)
None of these done
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question_answer8)
The final product of glycolysis is:
A)
Glucose done
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B)
Pyruvate done
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C)
Ethanol done
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D)
Lactic acid done
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E)
None of these done
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question_answer9)
Which one of the following statements is true?
Statement 1: Kidneys lie in the abdominal cavity. |
Statement 2: Ureters carry urine from the kidneys to the urinary bladder. |
A)
Statement 1 done
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B)
Statement 2 done
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C)
Both statements are correct done
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D)
Both statements are incorrect done
clear
E)
None of these done
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question_answer10)
The heart is enclosed in a double- walled sac called:
A)
Placenta done
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B)
Pericardium done
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C)
Pleura done
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D)
Bladder done
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E)
None of these done
clear
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question_answer11)
Which one of the following is not present in the gastric juice secreted by stomach?
A)
Pepsin done
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B)
Hydrochloric acid done
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C)
Mucus done
clear
D)
Bile done
clear
E)
None of these done
clear
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question_answer12)
Peristaltic movement refers to :
A)
Contraction and expansion of lungs. done
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B)
Contraction and expansion of walls of food pipe. done
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C)
Movement of limbs while walking. done
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D)
Movement of blood throughout the body done
clear
E)
None of these done
clear
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question_answer13)
Which of the following is the correct sequence of the processes taking place in nutrition in animals?
A)
Ingestion, Assimilation, Digestion, Absorption, Egestion done
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B)
Assimilation, Absorption, Ingestion, Digestion, Egestion done
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C)
Ingestion, Digestion, Absorption, Assimilation, Egestion done
clear
D)
Ingestion, Digestion, Assimilation, Absorption, Egestion done
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E)
None of these done
clear
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question_answer14)
The site of photosynthesis in a cell of the leaf is:
A)
Carotenoid done
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B)
Chloroplast done
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C)
Root done
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D)
Xylem done
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E)
None of these done
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question_answer15)
Bile is _______ in nature
A)
Acidic done
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B)
Basic done
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C)
Neutral done
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D)
Either [a] or [b] done
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E)
None of these done
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question_answer16)
The food which is not used by our body gets stored in the liver as:
A)
Fatty acid done
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B)
Glucose done
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C)
Glycogen done
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D)
All the above done
clear
E)
None of these done
clear
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question_answer17)
The part of tooth containing nerves and blood vessels is known as:
A)
Dentine done
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B)
Pulp done
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C)
Enamel done
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D)
Villi done
clear
E)
None of these done
clear
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question_answer18)
Which enzyme converts starch into sugar present in saliva?
A)
Pepsin done
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B)
Hydrochloric acid done
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C)
Amylase done
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D)
Insulin done
clear
E)
None of these done
clear
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question_answer19)
Which of the following statements is correct?
A)
Energy produced during respiration is stored in the form of ATP in animals. done
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B)
ADP has a high energy content as compared to ATP. done
clear
C)
Respiration is just same as photosynthesis. done
clear
D)
All the above done
clear
E)
None of these done
clear
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question_answer20)
Which of the following chemical reactions is incorrect?
A)
\[Pyruvate\,\xrightarrow[in\,mitochondria]{Oxygen\,(Kreb's\,cycle)}\] \[6C{{O}_{2}}+6{{H}_{2}}O+38ATP\] done
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B)
\[Pyruvate\xrightarrow[in\,yeast]{in\,absence\,of\,oxygen}2Lactic\,acid+2ATP\] done
clear
C)
\[Pyruvate\xrightarrow[yeast\,fermentation]{in\,absence\,of\,oxygen}\] \[2{{C}_{2}}{{H}_{5}}OH+2C{{O}_{2}}+2ATP\] done
clear
D)
\[Pyruvate\xrightarrow[Muscle\,Tissue\,\,in\,\,animals]{in\,absence\,of\,oxygen}\] \[2Lactic\,acid+2ATP\] done
clear
E)
None of these done
clear
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question_answer21)
Lenticels are present in :
A)
Roots of small herbaceous plants. done
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B)
Sterns of large plants and trees. done
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C)
Leaves of small herbaceous plants. done
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D)
All the above done
clear
E)
None of these done
clear
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question_answer22)
Which of the following animals uses its cell membrane for respiration?
A)
Earthworm done
clear
B)
Planaria done
clear
C)
Amoeba done
clear
D)
Both [b] and [c] done
clear
E)
None of these done
clear
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question_answer23)
Plants continually grow due to ____ in stem and root tips.
A)
Meristem done
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B)
Guard cells done
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C)
Xylem done
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D)
Root nodules done
clear
E)
None of these done
clear
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question_answer24)
Which of the following is not a part of phloem tissue?
A)
Sieve-tube cells done
clear
B)
Companion cells done
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C)
Tracheids done
clear
D)
All the above done
clear
E)
None of these done
clear
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question_answer25)
Haemoglobin has maximum affinity for which of the following gases?
A)
Carbon monoxide done
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B)
Carbon dioxide done
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C)
Oxygen done
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D)
Nitrogen done
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E)
None of these done
clear
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question_answer26)
Translocation is:
A)
Continuous evaporation of water from the cells of a leaf. done
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B)
Transport of food from the leaves. done
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C)
Binding of carbon monoxide with haemoglobin. done
clear
D)
Diffusion of carbon dioxide into the blood. done
clear
E)
None of these done
clear
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question_answer27)
Which metal is associated with haemoglobin?
A)
Copper done
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B)
Iron done
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C)
Aluminium done
clear
D)
Potassium done
clear
E)
None of these done
clear
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question_answer28)
Which of the following statements is incorrect?
A)
Xylem vessels contain the cytoplasm. done
clear
B)
The conducting cells of xylem are living. done
clear
C)
Xylem vessels do not provide any mechanical strength to the stem. done
clear
D)
All the above done
clear
E)
None of these done
clear
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question_answer29)
Match the following:
Column 1 | Column 2 |
(i) Plasma | [A] Eat up the bacteria |
(ii)Red Blood Cells | [B] Coagulation of blood |
(iii)White Blood Cells | [C] Fluid part of blood |
(iv) Platelets | [D] Carry oxygen |
A)
(i - D), (ii - C), (iii - A), (iv - B) done
clear
B)
(i - C), (ii - D), (iii - A), (iv - B) done
clear
C)
(i - C), (ii - A), (iii - D), (iv - B) done
clear
D)
(i - C),(ii - A), (iii - B),(iv - D) done
clear
E)
None of these done
clear
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question_answer30)
Which of the following statements is correct?
A)
The upper two chambers of human heart are called ventricles. done
clear
B)
The lower two chambers of human heart are called atriums. done
clear
C)
The chambers of the heart are separated by a partition called pericardium. done
clear
D)
The pulmonary artery carries deoxygenated blood from the right ventricle the lungs. done
clear
E)
None of these done
clear
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question_answer31)
Which of the following is the correct sequence of circulation of blood in the human body?
A)
Lungs\[\to \]Pulmonary vein\[\to \]Left ventricle\[\to \]Left atrium\[\to \]Aorta\[\to \]Body Organs\[\to \]Vena Cava\[\to \]Right Ventricle\[\to \]Right atrium\[\to \]Pulmonary artery \[\to \]Lungs done
clear
B)
Lungs\[\to \]Pulmonary vein\[\to \]Left atrium\[\to \]Left ventricle\[\to \]Aorta\[\to \]Body organs\[\to \]Vena cava\[\to \]Right atrium\[\to \]Right ventricle\[\to \]Pulmonary artery\[\to \]Lungs. done
clear
C)
Lungs\[\to \]Left atrium\[\to \]Left ventricle\[\to \]Body organs \[\to \]Vena cava\[\to \]Right atrium\[\to \]Right ventricle \[\to \]Pulmonary artery\[\to \]Pulmonary vein\[\to \]Aorta\[\to \]Lungs. done
clear
D)
Lungs\[\to \]Pulmonary artery\[\to \]Pulmonary vein\[\to \]Body organs\[\to \]Vena cava\[\to \]Right atrium\[\to \]Right ventricle\[\to \]Aorta\[\to \]Left ventricle\[\to \]Left atrium \[\to \]Lungs done
clear
E)
None of these done
clear
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question_answer32)
Which one of the following organisms does not have double circulation of blood in heart?
A)
Dog done
clear
B)
Fish done
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C)
Lizard done
clear
D)
Monkey done
clear
E)
None of these done
clear
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question_answer33)
Which of the following is correct statement?
A)
The blood pressure of a person is expressed in terms of mm Hg. done
clear
B)
The maximum pressure at which the blood leaves the heart through the aorta during contraction phase, is called the diastolic pressure. done
clear
C)
The minimum pressure in the arteries during the relaxation phase of heart is called the systolic pressure. done
clear
D)
All the above done
clear
E)
None of these done
clear
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question_answer34)
The instrument through which blood pressure is measured is known as :
A)
Anemometer done
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B)
Sphygmomanometer done
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C)
Barometer done
clear
D)
Ammeter done
clear
E)
None of these done
clear
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question_answer35)
Which of the following is not present in the lymph?
A)
Protein molecules done
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B)
Digested fats done
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C)
Red Blood cells done
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D)
Fragments of dead cells done
clear
E)
None of these done
clear
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question_answer36)
The waste products from plants are removed through:
A)
Stomata done
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B)
Lenticels done
clear
C)
Felling of fruits done
clear
D)
All the above done
clear
E)
None of these done
clear
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question_answer37)
Which of the following is the excretory organ in earthworm?
A)
Nephron done
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B)
Nephridia done
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C)
Contractile vacuole done
clear
D)
Kidney done
clear
E)
None of these done
clear
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question_answer38)
Which one of the following letters represents glomerulus?
A)
Q done
clear
B)
P done
clear
C)
R done
clear
D)
S done
clear
E)
None of these done
clear
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question_answer39)
____ is the mechanism for cleaning the blood of a person by separating urea from it.
A)
Raphides done
clear
B)
Dialysis done
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C)
Artificial Kidney done
clear
D)
Double circulation done
clear
E)
None of these done
clear
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question_answer40)
The main waste present in the urine is:
A)
Glucose done
clear
B)
Urea done
clear
C)
Blood done
clear
D)
Protein done
clear
E)
None of these done
clear
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