Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A):  FSH which interacts with membrane-bound receptors does not enter the target cell.
Reason (R):  Binding of FSH to its receptors generates a second messenger (cyclic AMP) for its biochemical and physiological responses.
In the light of the above statements, choose the most appropriate answer from the options given below :
1. Both (A) and (R) are True and (R) is the correct explanation of (A).
2. Both (A) and (R) are True but (R) is not the correct explanation of (A).
3. (A) is True but (R) is False.
4. (A) is False but (R) is True.
Subtopic:  Mechanism of Hormone Action |
Level 3: 35%-60%
NEET - 2022
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Which of the following animals has three chambered heart?
1.Scoliodon2.Hippocampus
3.Chelone4.Pteropus
Subtopic:  Study of Reptilia |
 85%
Level 1: 80%+
NEET - 2022
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Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A):  During pregnancy, the level of thyroxine is increased in the maternal blood.
Reason (R):  Pregnancy is characterised by metabolic changes in the mother.
In the light of the above statements, choose the most appropriate answer from the options given below :
1. Both (A) and (R) are True and (R) is the correct explanation of (A).
2. Both (A) and (R) are True but (R) is not the correct explanation of (A).
3. (A) is True but (R) is False.
4. (A) is False but (R) is True.
Subtopic:  Fetal Development & Parturition |
 65%
Level 2: 60%+
NEET - 2022
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Role of enamel is to :
1. Connect crown of tooth with its root.
2. Masticate the food.
3. Form bolus.
4. Give basic shape to the teeth
Subtopic:  Alimentary Canal: Oral Cavity & Teeth |
 71%
Level 2: 60%+
NEET - 2022
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Choose the correct statements :
(a) Bones support and protect softer tissues and organs
(b) Weight bearing function is served by limb bones
(c) Ligament is the site of production of blood cells.
(d) Adipose tissue is specialised to store fats.
(e) Tendons attach one bone to another.

Choose the most appropriate answer from the options given below :
1. (a), (b) and (d) only 2. (b), (c) and (e) only
3. (a), (c) and (d) only 4. (a), (b) and (e) only
Subtopic:  Connective Tissue |
 87%
Level 1: 80%+
NEET - 2022
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Which of the following are true about the taxonomical aid 'key' ?
(a) Keys are based on the similarities and dissimilarities.
(b) Key is analytical in nature.
(c) Keys are based on the contrasting characters in pair called couplet.
(d) Same key can be used for all taxonomic categories.
(e) Each statement in the key is called Lead.

Choose the most appropriate answer from the options given below :
1. (a), (b) and (c) only 2. (b), (c) and (d) only
3. (a), (b), (c) and (e) only 4. (a), (c), (d) and (e) only
 88%
Level 1: 80%+
NEET - 2022
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A normal girl, whose mother is haemophilic marries a male with no ancestral history of haemophilia. What will be the possible phenotypes of the offsprings ?
(a) Haemophilic son and haemophilic daughter.
(b) Haemophilic son and carrier daughter.
(c) Normal daughter and normal son.
(d) Normal son and haemophilic daughter.

Choose the most appropriate answer from the options given below :
1. (a) and (b) only 2. (b) and (c) only
3. (a) and (d) only 4. (b) and (d) only
Subtopic:  Mendelian Disorders |
 68%
Level 2: 60%+
NEET - 2022
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Against the codon 5' UAC 3', what would be the sequence of anticodon on tRNA ?
1. 5' AUG 3' 2. 5' ATG 3'
3. 5' GTA 3' 4. 5' GUA 3
Subtopic:  Translation |
Level 3: 35%-60%
NEET - 2022
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IUDs are small objects made up of plastic or copper that are inserted in the uterine cavity. Which of the following statements are correct about IUDs ?
(a) IUDs decrease phagocytosis of sperm within the uterus.
(b) The released copper ions suppress the sperm motility.
(c) IUDs do not make the cervix hostile to the sperm.
(d) IUDs suppress the fertilization capacity of sperm.
(e) The IUDs require surgical intervention for their insertion in the uterine cavity.

Choose the most appropriate answer from the options given below :
1. (a), (d) and (e) only 2. (b) and (c) only
3. (b) and (d) only 4. (d) only
Subtopic:  Contraception: Barrier Methods & IUDs |
 78%
Level 2: 60%+
NEET - 2022
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Refer to the following statements for agarose-gel electrophoresis :
(a) Agarose is a natural polymer obtained from sea-weed.
(b) The separation of DNA molecules in agarose-gel electrophoresis depends on the size of DNA.
(c) The DNA migrates from negatively-charged electrode to the positively-charged electrode
(d) The DNA migrates from positively-charged electrode to the negatively-charged electrode.

Choose the most appropriate answer from the options given below :
1. (a) and (b) only 2. (a), (b) and (c) only
3. (a), (b) and (d) only 4. (b), (c) and (d) only
Subtopic:  Separation and Isolation of DNA fragments |
 80%
Level 1: 80%+
NEET - 2022
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