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How do the pills work ? (i) Inhibit ov...

How do the pills work ?
(i) Inhibit ovulation and implantation
(ii) Alter the quality of cervical muscus to prevent or retard the entry of sperms
(iii) Inhibit spermatogenesis

A

(i),(ii) and (iii)

B

(i) and (ii)

C

(ii) only

D

(iii) only

Text Solution

Verified by Experts

The correct Answer is:
B

Small doses of either progestogens or progesteroneestrogen combinations are used in the form of tablets called oral pills by females. Pills inhibit ovulation and implantation as well as alter the quality of cervical muscus to prevent or retard entry of sperms inside female genital tract.
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The correct statements about the working of oral pills are : (i) Inhibit ovulation and implantation (ii) Alter the quality of cervical mucus to prevent or retard the entry of sperms (iii) Inhibit spermatogenesis

Which contraceptive method inhibit ovulation and implantation as well as after the quality of cervical mucus to prevent/retard entry of sperm?

Assertion : Pills are very effective contraceptives with few side effects Reason : Pills inhibit ovulation and implanation as well as retard entry of sperms.

Diaphragms are contraceptive devices used by the females. Choose the correct option from the statements given below (i) They are introduced into the uterus (ii) They are placed to cover the cervical region (iii) They acts as physical barriers for sperm entry (iv) They act as spermicidal agents.

(a) Name the hormone that initiates spermatogenesis in humans. Describe the process of spermatogenesis in spermatogenesis in sequence mentioning the ploidy of the cells at each step. (b) Draw the diagram of a mature human sperm and label the parts that : (i) helps it reaching to the ovum . (ii) providing energy for it to reach the ovum. (iii) helping it to gain entry into the ovum.

Diphragms are contraceptive devices used by the females. Choose the correct optin from the statements given below : (i) They are introduced into the uterus (ii) They are placed to cover the cervical region (iii) They act as physical barriers for sperm entry (iv) They act as sperimicidal agents

How many of the given statements are incorrect ? I. The cavity of the cervix is called cervical canal which along with vagina forms the birth canal. II. Spermatogenesis starts at the age of puberty. III. At puberty, only 60,000-80,000 primary follicles are left in female body. IV. In the early phase of pregnancy, a hormone called relaxin is also secreted by the ovary.

NCERT FINGERTIPS-REPRODUCTIVE HEALTH-Reproductive Health
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  2. Progesterone pill helps in preventing pregnancy by allowing

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  3. How do the pills work ? (i) Inhibit ovulation and implantation (ii...

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  4. Read the given statement and select the correct option Statement 1 ...

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  5. What is true about ''Saheli'' ? (i) Developed at the CDRI, Lucknow ...

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  6. Identify the figures of the contraceptives given below and select the ...

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  7. Which of the following contraceptives are implanted under the skin ?

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  8. Select the correct statement regarding subcutaneous implantation of sy...

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  9. Read of following statements and select the correct option Statement...

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  10. Consider the following statement and select the option stating which o...

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  11. Read the following statements and select the option having both incorr...

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  12. Given below are four methods (A-D) and their modes of action (i-iv) in...

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  13. Match the contraceptive methods given under column I with their exampl...

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  14. What is the figure given below showing in particular ?

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  15. Which of the following contraceptive methods correctly matches with it...

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  16. Which of the following figures shows tubectomy ?

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  17. Match column I with column II and select the correct option from the g...

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  18. Which of the following contraceptive methods has poor reversibility ?

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  19. Which of the following statements are correct regarding surgical metho...

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  20. Which of the following birth control measures can be considered as the...

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