Question # 1

Zygote is formed by the fusion of.

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Two sperm cells

Two egg cells

Two somatic cells

Sperm cell andegg cell

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

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Parent

Primary

Secondary

Daughter

Chromosomes are........... structures.

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Round

Circular

Long

Thread like

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

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Diet

Environment

Genes

Both a and b

Chromosomes consist of DNA and.

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Sperms

Gametes

Proteins

Eggs

The DNA molecule consists of ............ strands.

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Two

Three

Four

Five

Reduction of chromosomes takes place during.

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Mitosis

Meiotic -I

Meiotic -II

Both mitosis and meiotic -II

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

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DNA

Gametes

Cytokinesis

Chromosomes

Before mitosis, sets of chromosomes are.

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Two

Three

Four

Five

In maize, there are hromosomes.

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14

16

20

48

The section of DNA which has information for making a specific protein is called.

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DNA strand

Nucleotide

Chromosomes

Gene

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