Entry Test MCQ :: Reproduction
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11. |
Which one is not a day neutral plant? |
A. |
Cucumber |
B. |
Maize |
C. |
Cotton |
D. |
Tobacco |
Answer: Option D
Explanation:
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12. |
Which statement is incorrect? |
A. |
In short day plants red light prevents flowering |
B. |
Henbane is a short day plant |
C. |
In long day plants for red light promotes flowering |
D. |
Leaf unrolling occurs in grasses |
Answer: Option B
Explanation:
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13. |
In biennials and perennials, low temperature stimulus is not received by |
A. |
Shoot apex of mature stem |
B. |
Embryo of the seed |
C. |
Leaves of the plants |
D. |
None of the above |
Answer: Option C
Explanation:
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14. |
Development of an egg into zygote without fertilization is called |
A. |
Parthenogenesis |
B. |
Apomixes |
C. |
Parthenocarpy |
D. |
None of these |
Answer: Option A
Explanation:
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15. |
In which organism males are haploid |
A. |
Aphids |
B. |
Honey bee |
C. |
Mosquito |
D. |
Butterfly |
Answer: Option B
Explanation:
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16. |
In cloning, nucleus is introduced into |
A. |
Somatic cell |
B. |
Egg cell |
C. |
Sperm cell |
D. |
None of these |
Answer: Option B
Explanation:
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17. |
Which characteristic is not of identical twins? |
A. |
Produced by separation of two blastomeres |
B. |
Have different genetic makeup |
C. |
Produced asexually |
D. |
Produced when embryo is at two cell stage |
Answer: Option B
Explanation:
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18. |
Viviparous animals are those in which |
A. |
Internal fertilization with external development in eggs |
B. |
Internal fertilization with internal development inside female body |
C. |
Internal fertilization and internal development followed by hatching of egg |
D. |
External fertilization with external development |
Answer: Option B
Explanation:
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19. |
Example of ovoviviparous |
A. |
Reptiles |
B. |
Mammals |
C. |
Duckbill platypus |
D. |
Frog |
Answer: Option C
Explanation:
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20. |
Sertoli cells |
A. |
Provide liquid medium to cells in testes |
B. |
Provide protection and nourishment to cells |
C. |
Secrete testosterone |
D. |
Both a and b |
Answer: Option D
Explanation:
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