NEET (Zoology MCQs)

Modified Date:- Published Date:-

Categories: EDUCATION

Q.1. Which of the following best represents programmes covering broad reproductive-related areas in India?

(1) Reproductive and child health care

(2) Reproductive and family health care

(3) Family planning programmes

(4) Family welfare schemes

 

Ans. (1) Reproductive and child health care

 

Q.2. Statement I: The nervous system provides an organised network of point-to-point connections for rapid coordination.

Statement II: The endocrine system provides chemical integration through hormones.

(1) Both Statement I and Statement II are incorrect.

(2) Both Statement I and Statement II are correct.

(3) Statement I is correct but Statement II is incorrect.

(4) Statement I is incorrect but Statement II is correct.

 

Ans. (2) Both Statement I and Statement II are correct.

 

Q.3. β-helix and β-pleated sheet are;

(1) Secondary structures of nucleic acid.

(2) Secondary structures of protein.

(3) Primary structures of protein.

(4) Linear chains of protein.

 

Ans. (2) Secondary structures of protein.

 

Q.4. Which of the following is a bacterial ECOR. What is the source of urine?

(1) Entamoeba coli RY 13

(2) Entamoeba coli R 11

(3) Escherichia coli RY 13

(4) Escherichia coli RX 15

 

Ans. (3) Escherichia coli RY 13

 

Q.5. The process of passing urine i.e. urination is caused by;

(1) Relaxation of smooth muscles of bladder and contraction of bladder sphincter.

(2) Contraction of smooth muscles of bladder and relaxation of bladder sphincter

(3) Contraction of skeletal muscles of bladder and relaxation of bladder sphincter.

(4) Relaxation of skeletal muscles of bladder and contraction of bladder sphincter.

 

Ans. (2) Contraction of smooth muscles of bladder and relaxation of bladder sphincter

 

Q.6. Choose the incorrect statement regarding circulatory system in humans

(1) SAN can generate maximum number of action potentials.

(2) Blood pressure in pulmonary artery is higher than that in pulmonary vein.

(3) Hepatic portal vein carries blood from intestine to liver.

(4) Ventricular contraction increases the flow of blood from the atrium to the ventricle by about 30 per cent.

 

Ans. (4) Ventricular contraction increases the flow of blood from the atrium to the ventricle by about 30 per cent.

 

Q.7. Which of the following hormones does not bind to an intracellular receptor?

(1) Cortisol

(2) Iodothyronine

(3) Glucagon

(4) Estradiol

 

Ans. (3) Glucagon

 

Q.8. All of the following are groups of extinct animals except;

(1) Therapsids

(2) Pelicosaurs

(3) Tuataras

(4) Tyrannosaurus

 

Ans. (3) Tuataras

 

Q.9. Which of the given options correctly identifies some of the components of pBR322?

(1) ampR, tetR - antibiotic resistance genes

(2) Hind III, EcoRI - selectable markers

(3) Ori - origin restriction enzyme

(4) rop - decrease in osmotic pressure

 

Ans. (1) ampR, tetR - antibiotic resistance genes

 

Q.10. Neutrophils and macrophages of human body exhibit which type of movement?

(1) Amoeboid movement

(2) Ciliated movement

(3) Flagellar movement

(4) Muscular movement

 

Ans. (1) Amoeboid movement