Subject

Biology

Class

ICSE Class 10

Pre Boards

Practice to excel and get familiar with the paper pattern and the type of questions. Check you answers with answer keys provided.

Sample Papers

Download the PDF Sample Papers Free for off line practice and view the Solutions online.
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 Multiple Choice QuestionsShort Answer Type

31.

Give the exact location of the following:

(v) Hydathodes

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32.

Give reasons for the following:

People living in hilly regions usually suffer from simple goitre.

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33.

Give reasons for the following:

(ii) Urine is slightly thicker in summer than in winter.

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34.

(b) Give reasons for the following:

(iii) Potato cubes when placed in water become firm and increase in size.

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35.

Give reasons for the following:

(iv) A matured mammalian erythrocyte lacks nucleus and mitochondria.

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36.

Give reasons for the following:

(v) Photosynthesis is considered as a process supporting all life on Earth.

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37.

With reference to the functioning of the eye, answer the following questions:

(i) What is power of accommodation of the eye?


The process of focusing the eye at different distances is called power of accommodation of the eye. The process by which the ciliary muscles change the focal length of an eye lens to focus distant or near objects clearly on the retina is called the accommodation of the eye.

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38.

With reference to the functioning of the eye, answer the following questions:

(iv) Name the cells of the retina and their respective pigments which get activated (1)
in dark and (2) in light

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39.

With reference to the human ear, answer the following questions:

(i) Give the technical term for the structure found in the inner ear.

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40.

With reference to the human ear, answer the following questions:

(ii) Name the three small bones present in the middle ear. What is the biological term

for them collectively?

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