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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

Ovulation is induced by a hormone called ______.

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प्रश्न

Ovulation is induced by a hormone called ______.

रिक्त स्थान भरें
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उत्तर

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.

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अध्याय 2: Human Reproduction - EXERCISES [पृष्ठ ४०]

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एनसीईआरटी Biology [English] Class 12
अध्याय 2 Human Reproduction
EXERCISES | Q 1. (g) | पृष्ठ ४०
नूतन Biology [English] Class 12 ISC
अध्याय 2 Human Reproduction
NCERT EXERCISES | Q 1. (g) | पृष्ठ ११६

संबंधित प्रश्न

Women are often blamed for producing female children. Consequently, they are ill-treated and ostracized. How will you address this issue scientifically if you were to conduct an awareness programme to highlight the values involved?


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Describe the process of oogenesis in human female.


Give scientific reason.

Older women are more likely to give birth to children with some abnormalities.


The process which the sperm undergoes before penetrating the ovum is ____________.


Expand the acronym.

LH


Identify the labels (i-iv) in the given diagram of the ovum.


Which of the following correctly describes the secondary oocyte?


Which is the correct order of steps occurring during spermatogenesis?


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What is the location of oogenesis?


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Find out the CORRECT sequence of spermatogenesis.


By which process sperms released from the seminiferous tubules?


Which of the following contains a fluid filled cavity called antrum?


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Head of epididymis is called as ______.


Mark the odd one.


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:


Which of the following cells during gametogenesis is normally diploid?


Which type of cell division forms spermatids from the secondary spermatocytes?


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Answer the following:

How many primary spermatocytes and oocytes are required for the formation of 100 spermatozoa and ova?


Distinguish between human sperm and ovum.


Complete the analogy with respect to the structure of sperm.

Nebenkern : ‘X’ : : Acrosome is formed from : ‘Y’


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