Question # 1

What is True about enzymes?

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They make biochemical reactions to proceed spontaneously

They lower the activation energy of a reaction

They are not very specific in their choice of substrates

They are needed in large quantities

Who suggested the first system of classification of organisms?

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Al-Jahiz

Aristotle

John Ray

Averroes

The _____________ name begins with a capital letter .

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Generic

Species

Both a and b

None

The green portion is minaly reflected therefore chlorophull appears .............. .

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Green

Blue

White

Black

When do the atria contract?

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Before diastole

After systole

During diastole

During systole

One complete cardiac cycle takes ......... second .

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0.2 sec

0.5 sec

0.8 sec

0.9 sec

The grater the no. of stomata on leaf , the ............. would be transpiration.

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Higher

Lower

Remain constant

None

The branch of biology which deals witht he study of nucleic acid is called.

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embryology

Socio biology

Molecular biology

Texonomy

The that is needed to initiate chemical reaction that energy is called ................... . energy.

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Kinetic

Potential

Activation

None

Which of the following stage of cell division is very different for animal and plant cells?

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Telophase

Metaphase

Anaphase

Cytokinesis

Which of these are responsible for blood clotting?

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Platelets

Erythrocytes

Neutrophils

Baseophils

Frog has two eyes, each of which has

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Two eyelids

Three eyelids

One eyelid

No eyelid

In binomial nomenclature, the first letter of the _____name is capitalized:

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Family

Class

Species

Genus

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Biology 9th Class English Medium Online Test MCQs With Answers

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