Question # 1

During reproduction, living things pass their characteristics to their.

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Parents

Grand parents

Off spring

Brother and sister

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

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Egg

Zygote

Chromosomes

Gene pair

DNA is called.......... material.

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Hereditary

Plasma

Meiotic

Chromatic

Chromosoems are made of.

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DNA only

DNA, Proteins and fats

Proteins only

DNA, and proteins

A typical chromosoes consists of arms.

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Two

Three

Four

Five

The characters which are passed from parents to off spring.

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Environmental characters.

Naturla characters

Non -inheritable characters.

Hereditary characters.

Reduction of chromosomes takes place during.

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Mitosis

Meiotic -I

Meiotic -II

Both mitosis and meiotic -II

Which fo these is NOT a genetic variation.

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Attached earlobes

Blood group

Eye colour

Mark of cut on skin

The process of cell division involves phases.

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Two

Three

Four

Five

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

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Prophase

Interphase

Anaphase

Metaphase

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

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Diet

Environment

Genes

Both a and b

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

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Heredity

Inheritance

Non-inheritance

Both a and b

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

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