Question # 1

In man, every somatic cell has chromosomes.

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23

46

16

20

In humans, a sperm has 23 chromosomeds. Egg cell has.

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23 chromosomes

46 chromosomes

No chromosomes

69 Chromosomes

During interphase.............. in the nucleus are duplicated.

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DNA

Gametes

Cytokinesis

Chromosomes

In meiosis, the nucleus of a cel dividies.

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One time

Three times

Four times

Five times

In humans, the eye colour is developed due to the effects of.

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Diet

Environment

Genes

Both a and b

Chromosoems are made of.

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DNA only

DNA, Proteins and fats

Proteins only

DNA, and proteins

Reduction of chromosomes takes place during.

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Mitosis

Meiotic -I

Meiotic -II

Both mitosis and meiotic -II

Nucleus is a part of cell, which ................ the whole cell actively.

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Operate

Control

Observe

Functionale

Which fo these is NOT a genetic variation.

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Attached earlobes

Blood group

Eye colour

Mark of cut on skin

The colour of eyes in an organism is controlled by a.

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Egg

Zygote

Chromosomes

Gene pair

Genes are located on

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Chromosomes

Nucleus

Centrosomes

Cell membrane.

Chromosomes consist of DNA and.

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Sperms

Gametes

Proteins

Eggs

During reproduction, living things pass their characteristics to their.

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Parents

Grand parents

Off spring

Brother and sister

The cells which are produced as a result of cell division are called.

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Parent

Primary

Secondary

Daughter

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