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Assertion (A): In scrotum, the temperatu...

Assertion (A): In scrotum, the temperature is maintained `2 - 3^@`C lower than body temperature.
Reason (R): Reduced temperature results in efficient sperm production.

A

(a) R explains A.

B

(b) A is right R is wrong.

C

(c) A and R are right. R does not explains A.

D

(d) Both A and R are wrong.

Text Solution

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R explains A.
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FULL MARKS-HUMAN REPRODUCTION-Additional Questions (1 Marks Questions)
  1. Match the Column I with Column II

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  2. Which of the following statement is not correct? (i) Interstitial ce...

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  3. Assertion (A): In scrotum, the temperature is maintained 2 - 3^@C lowe...

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  4. Assertion (A): The acrosome of the sperm cell contains sperm lysin. ...

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  5. Assertion (A): Human ovum is non-cleidoic Reason (R): Human ovum doe...

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  6. Assertion (A): Menopause refers to the absence of menstruation during ...

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  7. Assertion (A): Cervix is common site of ectopic pregnancies Reason (...

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  8. Which of the following contributes to the seminal plasma? (i) Cowper...

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  9. Organ of copulation in human female is...

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  10. Identify the gland which is homologous to the Cowper's glands of male.

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  11. Find out the proper sequence representing the parts of female reproduc...

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  12. Spermatid - overset(A)to spermatozoa. What does 'A' stands for?

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  13. An adult male produces an average of ................. sperms per day

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  14. Statement (1): During spermiation, the sperms are released into the ca...

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  15. Statement (1): Siamese twins are conjoined twins who are joined during...

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  16. Statement (1): The endometrium acts as transitory endocrine gland secr...

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  17. Statement (1): Human pregnancy lasts for 35 weeks. Statement (2): Dur...

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  18. Statement (1): Menstrual cycle occurs once in every 29 days. Stateme...

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  19. The first ejaculation of the semen in male is called as..........

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  20. Identify the mismatched pair.

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