NEET (Zoology MCQs)
Categories: OTHERS
Q.1. Select the correct option to complete the analogy.
Graafian follicle: Follicular phase : : Corpus luteum: _______
(1) Secretory phase
(2) Proliferative phase
(3) Menstrual phase
(4) Bleeding phase
Ans. (1) Secretory phase
Q.2. Allergy is caused due to the release of chemicals like _____ and serotonin from ______ cells.
Select the correct option that fills in the blanks respectively.
(1) Anti-histamine and mast
(2) Histamine and mast
(3) Adrenaline and mast
(4) Cortisol and mast
Ans. (2) Histamine and mast
Q.3. Restriction endonuclease acts by breaking the bond between;
(1) Adenine and thymine.
(2) Purine and phosphate group of deoxyribose nucleic acid.
(3) Deoxyribose-phosphate bases of DNA at specific points on each strand.
(4) Deoxyribose and thymine.
Ans. (3) Deoxyribose-phosphate bases of DNA at specific points on each strand.
Q.4. Read the following features regarding their presence in Petromyzon and select the wrong one.
(1) Egg laying in fresh water
(2) Cartilaginous vertebral column
(3) Open circulatory system
(4) Sucking type of mouth parts
Ans. (3) Open circulatory system
Q.5. If gene migration occurs multiple times it is named as;
(1) Gene pool.
(2) Genetic recombination.
(3) Genetic drift.
(4) Gene flow.
Ans. (4) Gene flow.
Q.6. Side effects of anabolic steroid use in women include all of the following except;
(1) Increased aggression
(2) Enlargement of clitoris
(3) Premature baldness
(4) Abnormal menstrual cycle
Ans. (3) Premature baldness
Q.7. Read the following statements and choose the correct option regarding frog.
- Cloaca is a small, middle chamber used to pass feces, urine and sperms to the outside.
- The male reproductive organs consist of a pair of yellowish oval testes.
- The external ear is absent and only the tympanum can be seen externally.
(1) Only A
(2) Only A and B
(3) Only B and C
(4) A, B and C
Ans. (4) A, B and C
Q.8. Statement (A): All vertebrates breathe through lungs.
Reason (R): Lungs are vascular sac-like structures.
(1) Both Statement (A) and Reason (R) are true, and Reason (R) is the correct explanation of Statement (A).
(2) Both Statement (A) and Reason (R) are true, but Reason (R) is not the correct explanation of Statement (A).
(3) Statement (A) is true, and Reason (R) is false.
(4) Statement (A) is false, and Reason (R) is true.
Ans. (4) Statement (A) is false, and Reason (R) is true.
Q.9. Which of the following options gives one correct example each of convergent evolution and divergent evolution?
Convergent evolution Divergent evolution
(1) Vertebrates Heart Birds and butterflies
(2) Forelimbs of whales and bats Vertebrates Brain
(3) Penguins and dolphins Flippers Thorns of Bougainvillea and tendrils of Cucurbita
(4) Darwin's finches Sweet potatoes and potatoes
Ans. (3) Penguins and dolphins Flippers Thorns of Bougainvillea and tendrils of Cucurbita
Q.10. Statement (A): Blood is a special connective tissue.
Reason (R): About 55% of blood consists of formed elements.
(1) Both Statement (A) and Reason (R) are true, and Reason (R) is the correct explanation of Statement (A).
(2) Both Statement (A) and Reason (R) are true, but Reason (R) is not the correct explanation of Statement (A).
(3) Statement (A) is true, and Reason (R) is false.
(4) Statement (A) is false, and Reason (R) is true.
Ans. (3) Statement (A) is true, and Reason (R) is false.