Which part of the sperm contains hydrolytic enzymes?
Head region
Neck region
Cap region
Tail region
The shortest gestation period is seen in
Which of the following undergoes spermiogenesis?
$A$ : The first sign of growing foetus may be noticed by listening to the heart sound through the stethoscope.
$R$ : By the end of second month of pregnancy, the foetus develops limbs and digits.
Eunuchoidism is due to the failure of production of
Home use kits for determining a women's fertile period depend on the detection of one hormone in the urine. This hormone is