Mentrual Cycle And Fertilisation Test
Mentrual Cycle And Fertilisation
This is online test 02 for CBSE class 12 Biology Human Reproduction (Mentrual cycle and fertilisation).. There are 10 questions in this test with each question having around four answer choices.
Questions & Answers
1
Testosterone is secreted by
- ALeydig cellsCorrect
- BSertoli cells
- CKupffer cells
- DMast cells
2
Menstrual cycle is repeated at an average interval of
- AOne year
- B15 days
- C29 daysCorrect
- D25 days
3
What happen during fertilisation after all the sperm reach close to ovum?
- AOnly two sperm nearest to ovum penetrate zona pellucida
- BAll sperms except one lose their tails.
- CSecretion of acrosome helps one sperm enter cytoplasm of ovumCorrect
- DCells of corona radiate trap all the sperms except one
4
A Human female reaches menopause around the age of
- A50 yearsCorrect
- B15 years
- C25 years
- D70 years
5
Which one is the most likely reason of not occurring regular menstrual cycle
- AMaintenance of hypertropical endometrial lining
- BRetention of corpus luteum
- CFertilization of ovumCorrect
- DMaintenance of high concentration of sex hormones
6
The inner cell mass which have potency to give rise all tissue and organs is called
- ACleavage cells
- BGerm cells
- CEmbryo cells
- DStem cellsCorrect
7
Shortest phase of the menstrual cycle is
- AMenses
- BLuteal phase
- COvulatory phaseCorrect
- DFollicular phase
8
Enzyme produced by mammalian sperm for entry into ovum is
- AHyaluronidaseCorrect
- BReductase
- CEndonuclease
- DKinase
9
Physical and chemical changes in the egg cortex which occur after the sperm entry into the egg is called
- AMetamorphosis
- BCleavage
- CCortical reactionCorrect
- DEmbryological changes
10
Which one is correctly matched pair
- AColostrum : secretion found in seminal fluid
- BClitoris : male external gene
- CAreola : pigmented circular area around the nipple
- DCoitus : Sexual intercourseCorrect