(English Medium) ICSE Class 10 - CISCE Question Bank Solutions

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In an interphase cell chromosome are as _____________

Define the following:
Autosomes

Define the following:
Sex chromosomes

Define the following:
Sex-linked characters

Explain the following terms:

Identical twins

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Human sex chromosomes are __________

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Chromosomes identical in male and female are called __________

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Males have more chances of suffering from sex-linked disease because of ___________

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A single recessive trait, able to express must be on _________

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A man can transfer his sex-linked gene to his ______________

Define the following:

Deforestation

Present human population growth is following arithmetic progression.

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Removal of testes is called ____________

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Temperature of scrotum is ______________

Given on the right is a diagram which represents the reproductive organs of a man:
(i) Write the names of the parts numbered 1 to 16.
(ii) Give two functions of the part 6.
(iii) Name three components of the fluid which may be found in the tube labeled 2.
(iv) What is the main function of the part labelled 3?

Given on the right is a diagram which represents the reproductive organs of a man:
(i) Write the names of the parts numbered 1 to 16.
(ii) Give two functions of the part 6.
(iii) Name three components of the fluid which may be found in the tube labeled 2.
(iv) What is the main function of the part labelled 3?