Q2 of 63 Page 151

What is the significance of the testes being located in scrotal sacs?

Scrotal sac acts as thermos-regulator. The temperature in scrotal sac remains 2-3°C lower than the body temperature which is suitable for maturation of sperm.


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1

Tick-mark the correct meaning of reproduction

 3

State very briefly the chief function of each of the following:

(i) Seminal vesicles ______________


(ii) Prostate gland ______________


(iii) Cowper’s gland ______________


(iv) Sperm duct (vas deferens) ______________

 1

State whether the following statements are True (T) or False (F) :-

(i) Oviducts and fallopian tubes are one and the same thing. T/F


(ii) One egg is released from each of the two ovaries every month. T/F


(iii) The enlarged mature follicle bursts to release the egg. T/F


(iv) The egg is passed down through the oviduct by muscular contractions. T/F


(v) Clitoris is equivalent to the male penis. T/F


(vi) The vagina is a muscular tube. T/F

 1

Which one of the following is the correct route that a sperm follows when it leaves the testis of a mammal?