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प्रश्न
The diagram shown below is the longitudinal section of a testis of man. Study it carefully and answer the questions that follow
(i) Label the parts numbered 1 to 3 in the diagram.
(ii) In which part of the testis are the sperms produced?
(iii) State the functions of the parts labelled 1 and 3 in the diagram.
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उत्तर
(i) 1 – Scrotum, 2 – Vas deferens, 3 – Epididymis
(ii) Sperms are produced in seminiferous tubules.
(iii) 1 (Scrotum) – Provides lower temperature than the actual body temperature which is required for the production and survival of sperms.
2 (Vas deferens) – Carries sperms from the epididymis to the urethra.
3 (Epididymis) – Sperms mature and are stored.
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संबंधित प्रश्न
Explain the process of development in human beings.
Give appropriate biological/technical terms for the following:
The kind of twins formed from two fertilized eggs.
State whether human beings reproduce by sexual method or asexual method.
Fertilisation results immediately in the formation of :
(a) a zygote
(b) an embryo
(c) a placenta
(d) a foetus
Write two examples of sexually transmitted diseases caused by bacteria.
Draw a sectional view of human female reproductive system and label the following parts :
(i) Where the development of egg occurs.
(ii) Where fertilization takes place.
Describe the role of the following in human beings:
(i) Seminal vesicles
(ii) Prostate gland
Choose the correct answer:
When pregnancy does not occur, the life of corpus luteum is about _____________
Give the functions of the following:
Vagina
If for some reason, the vasa efferentia in the human reproductive system get blocked, the gametes will NOT be transported form ______
