Question # 1

Reduction of chromosomes takes place during.

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Mitosis

Meiotic -I

Meiotic -II

Both mitosis and meiotic -II

In meiosis, the nucleus of a cel dividies.

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One time

Three times

Four times

Five times

Which fo these is NOT a genetic variation.

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Attached earlobes

Blood group

Eye colour

Mark of cut on skin

Before the start of cell division, the parent cell passes through a phase called.

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Prophase

Interphase

Anaphase

Metaphase

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

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DNA strand

Nucleotide

Chromosomes

Gene

In man, every somatic cell has chromosomes.

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23

46

16

20

You are different from your brother and sisters This is called

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Adaptation

Variation

Mitosis

Hereditary

Chromosoems are made of.

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DNA only

DNA, Proteins and fats

Proteins only

DNA, and proteins

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

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Round

Circular

Long

Thread like

Before mitosis, sets of chromosomes are.

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Two

Three

Four

Five

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

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Parent

Primary

Secondary

Daughter

In pea, there are chromosomes.

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14

16

20

48

Nuclear division in followed by.

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Cytoplasm

Nucleus

Chromosomes

Cytokinesis

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

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Egg

Zygote

Chromosomes

Gene pair

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