Home
Class 12
BIOLOGY
For normal fertility, how many percentag...

For normal fertility, how many percentage of sperm must have normal shape and size:-

A

0.5

B

0.25

C

0.4

D

0.6

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

Assertion: Human male ejaculates about 5-100 million sperms during a coitus. Reason: For normal fertillity at least 40 percent sperms must have normal shape and size.

The human male ejaculates about ul((A)) million sperms during a coitus of which for normal fertility at least ul((B)) percent sperms must have normal shape and size and at least ul((C)) percent of them must show vigorous motility.

Given below are four statement (A-D) each with one of two blanks .Select the option which correctly fill up the blanks in two statements A The human male ejaculates about (i) million sperms during a cooitus . Out of which for normal fertility at teast (iii) percent sperms must have normal shape and size B. A primary spermatocyte completes (i) meiotic division leading to the formation of two equal haploid cells called (i) C. Spermatogenesis starts at the age of (i) due to significant increase in the secretion of (ii) a hypothalamic hormone D. Oogenesisi is initiated during embryonic development and at puberty only (i) primary follicles are left in each overy

Assertion: For normal fertility at least 40 per cent djaculated sperm must have normal shape and size and at least 60 per cent of them must show vigorous motility. Reason: The semen along with the sperms called the seminal plasma.

In a normal adult human, the sperm count is "300" million per ejaculation. How many sperms must have normal shape, size and vigorous motility for normal fertility per ejaculation?

A normal leaf cell have how many genomes :

How many phalanges are present in a normal human adult?

How many centrioles are normally present in a sperm?

How many centrioles are normally present in a sperm?