Directions : In the following question more than one of the answers given may be correct. Select the correct answer and mark it according to the code:
Menses occurs in (1) human beings only (2) old world monkeys and apes (primates) (3) every mammal (4) pouched mammals (metatherians)A) 1, 2 and 3 are correct
B) 1 and 2 are correct
C) 2 and 4 are correct
D) 1 and 3 are correct
Correct Answer: B
Solution :
Menses (menstruation)occurs due to shedding of endometrium from the uterus and causes proper menstruation or blood flow. It is found only in the primate mammals like humans, monkeys and apes, while in non-primate mammals such as cow, dog, cat, elephant, etc, estrous cycle is found during which very few or no menstruation (blood flow) occurs.
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