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प्रश्न
In humans, there are ____________ pairs of chromosomes.
पर्याय
22
23
44
46
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उत्तर
In humans, there are 23 pairs of chromosomes.
APPEARS IN
संबंधित प्रश्न
Identify True/False statement. Correct false statement to make it true.
Androgens are produced by Sertoli cells.
Differentiate between Rod cells and cone cells (pigment)
Name the following:
The tubular knot fitting like a cap on the upper side of the testis.
Draw a label diagram.
Draw a labeled diagram to show the interrelationship of four accessory ducts in a human male reproductive system.
Name the Following
Male copulatory organ.
Give Technical Term:
Name the male reproductive cells of mammals.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Tubectomy involves the cutting and tying of the vas deferens in males.
The increased level of estrogen and progesterone is responsible for menstruation.
How many spermatozoa will be produced from 10 million spermatids?
In humans, male germs cells differentiate into ______ at the end of first meiotic division.
Urethral meatus refers to the ______.
The correct sequence of spermatogenetic stages leading to the formation of sperms in a mature human testis is ______.
Seminal plasma, the fluid part of semen is formed by ______.
In the following Question, the Assertion and Reason have been put forward. Read the statements carefully and choose the correct alternative from the following:
Assertion: In the male reproductive system, the transport of sperm takes place in a fluid that also provides nutrition.
Reason: Protective glands and seminal vesicles secret in the vas deferens.
What is the length of the sperm?
Sketch and label Human Male Reproductive System.
Give reason: Testes are located outside the body cavity in scrotal sacs.
In humans, sperm production occurs in the organ ______.
List two roles of Seminal vesicles and prostate gland in the human reproductive system.
List two roles of the Testis in the human reproductive system.
