
Mark the wrong statement.


Important Questions on Human Reproduction

Match the column with column and choose the correct option:-
Column | Column | ||
After one month of pregnancy | Major organ system formation | ||
End of month of pregnancy | Body covered with fine hairs and eye lashes are formed | ||
At end of week of pregnancy | Embryo heart formation | ||
End of second trimester | Foetus develops limbs and digits |

A. Testosterone influences the male secondary sexual characters.
B. Gestation period in rabbit is approximately 276 days.
C. Bulbourethral glands secrete a vaginal lubricant.
D. Placenta secretes oestrogen.
The correct answer is

How many of the given hormones are secreted by the placenta?
, progesterone, oxytocin, estrogen, prolactin, relaxin, cortisol


Identify the parts labelled as A, B, C and D and select the correct option.

The given diagram refers to the T.S. of testis showing a sectional view of a few seminiferous tubules. Identify the parts labeled A-D and select the correct option.


(i) A carries urine and sperms.
(ii) B secretes a fluid that helps in the lubrication of the penis.
(iii) D produces testosterone but not sperms.
(iv) C stores sperms.

Given below are the three statements each with two blanks. Select the option which correctly, fills up the blank in any two statements.
(a) Each seminiferous tubule is lined on its inside by two types of cells called_______and ________.
(b) The seminiferous tubules open into the ________ through ___________.
(c) The enlarged end of penis called the ____________ is covered by a loose fold of skin called the ______________.
