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Oral contraceptive pills function by...

Oral contraceptive pills function by

A

(1) By preventing sperm motility

B

(2) By preventing ovulation

C

(3) By inhibiting motility of cilia of fallopian tube

D

(4) All of the above

Text Solution

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The correct Answer is:
B
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[A]: Oral contraceptive pills are meant for family planning purpose. [R]: Oral contraceptive pills inhibit fertilization

Oral contraceptive pills for females developed at CDRI lucknow is

ALLEN-BIOLOGY AT A GLANCE (ZOOLOGY )-EXERCISE
  1. Which contraceptive method inhibit ovulation and implantation as well ...

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  2. Which of these is not an important compo- nent of initiation of partur...

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  3. Oral contraceptive pills function by

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  4. Which event does not occur if fertilization not occur in menstrual cyc...

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  5. The male sex accessory duct includes

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  6. Find the incorrect statement?

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  7. The figure given below shows a flowchart on spermatogenesis. Identify ...

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  8. study the given statement and answer the question. "During 'P' phas...

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  9. The given diagram shows a human female 's reproductive system. Select ...

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  10. The placenta is formed from Theof the embryo and theof mother.

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  11. is a sticky white or yellow fluid secreted by the breasts during the s...

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  12. Which of the following is not a paired structure in male

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  13. Assertion: Vigorous contraction of the uterus at the end of pregnancy ...

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  14. Fertilization can only occurs if :-

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  15. Match these columns with regards to innate immunity :

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  16. Find out the correct matching of disease,pathogen and mode of transmis...

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  17. Read the following statement (A-D) (A) Haemophilus influenzae infec...

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  18. Withdrawal syndrome is characterized by (i) Anxiety (ii) Violence...

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  19. Choose the incorrect statement from given below:

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  20. Which one of the following statement is incorrect?

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