Question # 1

RNA, ribosomes and enzyme are synthesized during .............. .

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G2-phase

S-phase

G1-phase

Inretphase

Leeuwenhoek magnified pond water___________ times.

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100

200

300

400

ATP molecule was discovered by:

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Fritz Lipmann

Calvin

Karl Lohmann

Hans krebs

Cells of which of the followings are called cancerois cells?

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Malignant tumer

Benign tumer

Both a and b

None of the above

There are _____________ million kinds of animals.

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0.5

1

1.5

2

Data may consist by :

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Number

Words

Images

All

The part of earth where communities of living organisms exists is called.

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Habitat

Biosphere

Population

Ecosystem

When fibrinogen makes blood clot, it separates from blood and the remainder is called:

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Plasma

Lymph

Serum

Puss

Jabir Bin Hayan was born in.

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Iraq

Iran

Pakistan

England

Who described cells first?

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Robert Hooke

Leeuwenhook

Robert Brown

Scheiden & Schwann

Which of the following contains deoxygenated blood in an adult human?

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Left atrium

Pulmonary artery

Pulmonary vein

All of the above

The Klinefelter's syndrome males have an extra .................... .chromosomes.

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Sex

Autosome

Both 1 & b

None

The division of nucleus is:

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Mitosis

Karyokinesis

Cytokinesis

Meiosis

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