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

During reproduction, living things pass their characteristics to their.

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Parents

Grand parents

Off spring

Brother and sister

A typical chromosoes consists of arms.

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Two

Three

Four

Five

The transmission of characteristics from parents to off spring is called.

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Heredity

Inheritance

Non-inheritance

Both a and b

You are different from your brother and sisters This is called

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Adaptation

Variation

Mitosis

Hereditary

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

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Prophase

Interphase

Anaphase

Metaphase

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

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23 chromosomes

46 chromosomes

No chromosomes

69 Chromosomes

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

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Two

Three

Four

Five

Type of cell division, whihc take place in all parts of plants and animals is.

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Meiosis

Mitosis

Nuclear division

Cytokinesis

In pea, there are chromosomes.

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14

16

20

48

The process of cell division involves phases.

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Two

Three

Four

Five

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

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DNA

Gametes

Cytokinesis

Chromosomes

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

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Parent

Primary

Secondary

Daughter

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

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Egg

Zygote

Chromosomes

Gene pair

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