CSS :: Sexual Reproduction Physiology
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11. |
Copulation in frogs occurs |
A. |
April to June |
B. |
July to September |
C. |
Noverber to January |
D. |
None of these months |
Answer: Option B
Explanation:
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12. |
Copulation in frogs occurs: |
A. |
From late night to end of dawn |
B. |
From evening to mid night |
C. |
From dawn to mid day |
D. |
From mid day to evening |
Answer: Option A
Explanation:
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13. |
About which of these number of oocytes are shed by a female frog in one copulation: |
Answer: Option B
Explanation:
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14. |
Eggs in frogs are enclosed in a jelly like mass which is called : |
A. |
Spawn |
B. |
Follicles |
C. |
Oviposition |
D. |
None of these |
Answer: Option A
Explanation:
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15. |
The spawn of frogs always is seen on the surface of pond because: |
A. |
Jelly is bouyant and keeps them on surface to provide them with proper heat and facilitate heat loss |
B. |
They should remain protected from enemies in water |
C. |
They should flow dry places for development |
D. |
None of these reasons |
Answer: Option A
Explanation:
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16. |
Copulation in rabbits occurs during: |
A. |
February to May/June |
B. |
July to October/November |
C. |
Both of these periods |
D. |
None of these periods |
Answer: Option A
Explanation:
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17. |
Fertilization in frogs is: |
A. |
Internal and takes place inside the female oviduct |
B. |
External and takes place on dry ground |
C. |
External and takes place in water |
D. |
None of these types |
Answer: Option C
Explanation:
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18. |
Fertilization in rabbits is: |
A. |
External and takes place on ground |
B. |
Internal and takes place in vagina |
C. |
Internal and takes place in uterus |
D. |
Internal and takes place in upper portion of fallopian tubes |
Answer: Option D
Explanation:
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19. |
Semen in rabbit reaches from vagina to upper fallopian tube by: |
A. |
Peristalisis caused by ejaculation of semen into vagina |
B. |
Suction pressure exerted by upper portions of fallopian tubes |
C. |
Internal suction by body cavity wall |
D. |
None of these |
Answer: Option A
Explanation:
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20. |
Release of oocyte from Graffian follicle in rabbit is done by: |
A. |
Release of leutinizing hormone from pituitary |
B. |
Release of progrestrone from ovary |
C. |
Release of both of these |
D. |
Release of none of these |
Answer: Option A
Explanation:
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