Question # 1

The percentage of inorganic salts and in the plasma is:

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0.6

0.7

0.8

0.9

A species is a group of natural population which can:

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Interbreed and produce offsprings

Interbreed in nature and produce offspring

Interbreed and produce fertile offspring

Interbreed in nature and produce fertile offspring

Which one of these is NOT a characteristic of a hypothesis?

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Must be consistent with all available data

Must be testable

Must be correct

Must make predictions

Good calcium along with low salt and high potassium intake prevents from:

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Hypertension

Kidney stone

a and b

None

The bio diversity of any region depends on:

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Climate

Altitude

Soil and other species

All of these

Cell theory was proposed in :

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1938

1838

1948

1848

The smallest cells of bacteria are celled:

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Plasmodesmata

Plasma membrane

Mycoplasms

Plasmolysis

Which of the following process use energy to occur?

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Active transport

passive transport

Osmosis

All of these

................. was a German Botanist.

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Mathias Schleiden

Theodor Sachwann

Robert Brown

Robert Hooke

The fist muslims scietist detailed studies animals was.

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Jbair Bin Hayan

Abdul Malik Asmai

Al-Razi

Bu Ali Sina

Which enzyme works in stomach?

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Lipase

Trypsin

Pepsin

Amylase

When we add more substrate to an already occurring enzymatic reaction and there is no increase in the rate of reaction, what would you predict?

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All active site have been occupied by substrate molecules

The enzyme molecule have denatured

More substrate acted as inhibitor

More substrate has disturbed the pH of the medium

Economically study of animals is called.

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Biohysics

Biochemistry

Biogeograhy

Bioeconomics

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Biology 9th Class English Medium Online Test MCQs With Answers

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