List of top Biology Questions on The Male Reproductive System

Describe the structure of human sperm with diagram.
What is the function of Leydig cells?
Which of the following is not a function of sperm?
Which of the following statements about the prostate gland is correct?
Describe the histological structure of the testis with a well-labeled diagram.
Draw a well-labelled diagram of the sectional view of a male gametophyte/microspore of an angiosperm and write the functions of any two parts labelled. (Any four labels).
The male sex accessory ducts include,
Leydig cells secrete :
Meiotic division of the secondary oocyte is complete
Identify the cells represent as P, Q, R and S in the given schematic representation of spermatogenesis.
The nourishing cells in the Seminiferous tubules are
Which of the following has proved helpful in preserving pollen as fossils ?
The pollen grains of rice and wheat lose their viability in ___ minutes of their release.
Which of the following represents the male gametophyte?
The testes in humans are situated outside the abdominal cavity inside a pouch called scrotum. The purpose served is for
Seminal plasma in human males is rich in
Sertoli cells are found in
Secretions from which one of the following are rich in fructose, calcium and some enzymes ?
Seminal plasma in humans is rich in
The given figure shows a diagrammatic sketch of a portion of human male reproductive system. Identify the parts labelled as $A$, $B$, $C$ and $D$ and select the correct option.
$ 2n=16 $ in a primary spermatocyte, which is in metaphase of first meiotic division: What shall be the total number of chromatids in each of the secondary spermatocyte?
Pollen mother cells (PMCs) are the first male gametophytic cells. Each PMC gives rise to two pollens.
Secondary nucleus is formed by
Nebenkem is a part of ______
Mitochondria in middle piece of sperm is called: