CSS :: Sexual Reproduction Physiology
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21. |
Which of these enzymes helps in fertilization in case of frogs: |
A. |
Spermin |
B. |
Sperm lysine |
C. |
Hyaluronidase |
D. |
None of these |
Answer: Option B
Explanation:
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22. |
In rabbits during how much time the sperms reach the upper portion of fallopian tubes: |
A. |
1 hour of inseminization |
B. |
2 hour of inseminization |
C. |
3 hour of inseminization |
D. |
4 hour of inseminization |
Answer: Option D
Explanation:
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23. |
Out of several sperms which one in frogs is able to fertilize the ovum: |
A. |
One that is adhering the animal hemisphere |
B. |
One that is adhering opposite to animal hemisphere |
C. |
One that is in between both of these hemispheres |
D. |
One that has longest life |
Answer: Option A
Explanation:
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24. |
Which of these enzymes digest cells of corona radiata in rabbits: |
A. |
Spermlysin |
B. |
Hyaluronidase |
C. |
Amylase |
D. |
None of these |
Answer: Option B
Explanation:
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25. |
Spermlysin in rabbits digests the cells of: |
A. |
Corona radiata |
B. |
Zona radiata |
C. |
Zone pellucida |
D. |
None of these |
Answer: Option C
Explanation:
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26. |
How many polar bodies are formed during the maturation of oocyte in frog: |
Answer: Option B
Explanation:
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27. |
Which of the sperm fertilizes the ovum in rabbits: |
A. |
One that is ahead of all the sperms |
B. |
One that is longest of all |
C. |
One that is without acrosome |
D. |
None of these |
Answer: Option A
Explanation:
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28. |
Significance of meiosis during gametogenesis lies in the fact that it: |
A. |
Keeps the number of chromosomes constant for each species |
B. |
Helps to form new genetical combinations |
C. |
Is responsible for both of these |
D. |
Is respobsible for none of these |
Answer: Option C
Explanation:
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29. |
Copulation in rabbits is termed: |
A. |
Amplexus |
B. |
Coitus |
C. |
Oviposition |
D. |
None of these |
Answer: Option B
Explanation:
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30. |
How many primary oogonia will be required to form 100 over |
Answer: Option A
Explanation:
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