Subject

Science

Class

CBSE 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 QuestionsLong Answer Type

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41.

Distinguish between unisexual and bisexual flowers giving one example of each. Draw a diagram showing the process of germination of pollen grains stigma and label the following parts:
(a) Female Germ cell
(b) Male germ cell
(c) Ovary


Unisexual flowers Bisexual flowers
The flower has either male reproductive organs (stamens) or the female reproductive organs (pistil) The flower has both the male reproductive organs (stamens) and the female reproductive organs (pistil) in a single flower.
eg papaya eg hibiscus


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42.

Draw a diagram of a human female reproductive system and label the part.

i. That produces eggs
ii. Where fusion of egg and sperm takes place.
iii. Where zygote is implanted.

What happens when the egg is not fertilised?

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