Question # 1

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

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Operate

Control

Observe

Functionale

The characters which are passed from parents to off spring.

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Environmental characters.

Naturla characters

Non -inheritable characters.

Hereditary characters.

Chromosoems are made of.

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DNA only

DNA, Proteins and fats

Proteins only

DNA, and proteins

Genes are located on

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Chromosomes

Nucleus

Centrosomes

Cell membrane.

An event that occurs during interphase.

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Division of nuclesu

Duplication of chromosomes

Division of cytoplasm

Formation of cell wall

Which fo these is NOT a genetic variation.

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Attached earlobes

Blood group

Eye colour

Mark of cut on skin

The basic physical and functional unit of heredity is called.

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DNA

RNA

Centronere

Gene

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

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DNA strand

Nucleotide

Chromosomes

Gene

Before mitosis, sets of chromosomes are.

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Two

Three

Four

Five

Nuclear division in followed by.

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Cytoplasm

Nucleus

Chromosomes

Cytokinesis

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

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Heredity

Inheritance

Non-inheritance

Both a and b

Reduction of chromosomes takes place during.

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Mitosis

Meiotic -I

Meiotic -II

Both mitosis and meiotic -II

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

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23 chromosomes

46 chromosomes

No chromosomes

69 Chromosomes

In man, every somatic cell has chromosomes.

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23

46

16

20

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