Assertion (A) is false because FSH acts on ovarian follicles in females and Sertoli cells in males, not Leydig cells.
Reason (R) is true because growing ovarian follicles secrete estrogen, and interstitial cells (Leydig cells) secrete androgens in males.
Thus, the correct answer is (4) A is false, but R is true.
List I | List II | ||
A | Down’s syndrome | I | 11th chormosome |
B | α-Thalassemia | II | ‘X’ chromosome |
C | β-Thalassemia | III | 21st chromosome |
D | Klinefelter’s syndrome | IV | 16th chromosome |
The velocity (v) - time (t) plot of the motion of a body is shown below :
The acceleration (a) - time(t) graph that best suits this motion is :