$A$ : The secretions of male accessory glands constitute the seminal plasma which is rich in fructose, calcium and certain enzymes.
$R$ : Fructose serves as a source of energy for the sperms.
Assertion and Reason both are correct and also correct explantion.
Assertion and Reason both are correct but not explanation of assertion.
Assertion is correct, but Reason is incorrect.
Both Assertion and Reason are incorrect.
Which of the following is last part of the oviduct, which has narrow lumen and joins with the uterus?
How does zona pellucida of ovum help in preventing polyspermy ?
In humans, what is the ratio of the number of gametes produced from one male primary sex cell to the number of gametes produced from one female primary sex cell ?
After ovulation Graafian follicle transforms into
Decidua which takes part in the formation of maternal portion of the placenta is