Advertisements
Advertisements
Question
Ovulation is induced by a hormone called ______.
Advertisements
Solution
Ovulation is induced by a hormone called luteinising hormone (LH).
Explanation:
LH (luteinising hormone) acts on the leydig cells and stimulates the synthesis and secretion of androgens. Androgens, in turn, stimulate the process of spermatogenesis.
APPEARS IN
RELATED QUESTIONS
Draw a sectional view of human ovary and label the different follicular stages, ovum and Corpus luteum.
Draw a diagram of the microscopic structure of human sperm. Label the following parts in it and write their functions:
- Acrosome
- Nucleus
- Middle piece
Draw a labelled diagram of sperm.
Multiple choice question.
The given figure shows human sperm. Various parts of it are labelled as A, B, C, and D. Which labelled part represents acrosome?

The glandular accessory organ which produces the largest proportion of semen is ____________.
The Androgen Binding Protein (ABP) is produced by ____________.
Mention the differences between spermiogenesis and spermatogenesis.
At what stage of development are the gametes formed in newborn male and female?
Describe the structure of the human ovum with a neat labelled diagram.
Complete the analogy.
1 primary spermatocyte : 4 spermatozoa :: 1 primary oocyte : ____________.
The secondary oocyte enter into the fallopian tube through the ______.
Which of the following occurs during maturation phase of spermatogenesis?
Calculate the number of sperms and ova produced from 40 primary spermatocytes and 40 primary oocytes.
Four primary spermatocytes give rise to ______.
Which of the following is diploid?
Find out the CORRECT sequence of spermatogenesis.
Extrusion of second polar body from egg nucleus occurs ______.
Acrosome reaction in sperm is triggered by ______.
By which process sperms released from the seminiferous tubules?
In spermatogenesis, reduction division of chromosome occurs during conversion of ______.
Which of the following groups of cells in the male gonad, represent haploid cells?
The process of release of spermatozoa from Sertoli cells into cavity of the seminiferous tubules is called ______.
The principal tail piece of human sperm shows the microtubular arrangement of ______.
Which of the following is a primary sex organ of female?
Select the correct sequence of stages of spermatogenesis in a human male ______.
3-celled male gamete develops in:
The region of the root tip whose cells undergo rapid elongation and enlargement and are responsible for the growth of the root in length is called the:
Draw a labelled diagram of a section through the ovary.
