Question # 1

Water makes the compositon of protoplasm of all living organisms

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50-60%

60-70%

60-80%

60-90%

Cytokinesis in a plant cell is characterized by:

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The equal division of homologous chromosomes

A pinching off of the cell membrane to divide the cell

The formation of a cell plate in the cytoplasm

The movement of the chromosomes from the metaphase plate

Vitamin which acts as co-enzyme is:

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Vitamin A

Vitamin K

Riboflavin

All of these

Organelles are present in :

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Protoplasm

Nucleoplasm

Cytoplasm

None

In the stomach pepsinogen is converted into:

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Pepsin

Bicarbonate

HCl

GAstrin

Plasmodium was first seen by:

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Ross

A.F.A.King

Laveran

None

Fats belong to a group of substance called .............. .

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Carbohydrates

Lipid

Protein

Vitamins

Exchange of materials between blood and surrounding tissues occurs in:

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Arteries

Veins

Capillaries

All of these

Experimentation is only a step of the scientific process but it is very important step because it always:

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Gives the biologist a correct result

Allows rejection of some alternative hypothesis

Ensures that hypothesis can be confirmed with certainity

Give scientists a chance to work in the laboratory

Robert Whittaker classifies organism into _____________

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Two kingdoms

Five kingdoms

Seven kingdoms

Three kingdoms

The connection between stomach & esophagus is called ............. sphincter.

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Cardiac

Muscular

Both

None

It is a group of related genera:

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Order

Class

Species

Family

The wavelike movement of muscle that pushes food through digestive system is called:

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Churning

Emulsification

Absorption

Peristalsis

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Biology 9th Class English Medium Online Test MCQs With Answers

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