Question # 1

There are _______________ chromosomes in humans.

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46

18

16

23

Anabolism constitute ................ processes.

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Construction

Destruction

Both a & b

None

Which of the following is unique to mitosis and not a part of meiosis?

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Homologous chromosomes pair forming bivalents

Homologous chromosomes cross over

Chromosomes pairs are broken during anaphase

Chromatids separate during anaphase

viruses are not affected by ____________

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PH

Acidity

Antibiotics

High temperature

Normal rate of heart beat in a healthy human being is ......... beats per minute.

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72

73

70

75

Scanning electron microscope gives .................. image.

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1D

2D

3D

All

Two consecutive cell division occurs in ..............

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Meiosis

Mitosis

Interphase

None

Which of the following tissue layer is found in all blood vessels?

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Smooth muscle

Endothelium

Skeletal muscle

Connective tissue

Which of the following is a function of human blood?

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It regulates body temperature

It transports wastes

It provides defence

All of the above

ATP molecule was discovered by:

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Fritz Lipmann

Calvin

Karl Lohmann

Hans krebs

Which of the following tissue layer us found in all blood vessels?

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Smooth muscle

Endothelium

Skeletal muscle

Connective tissue

______________ is an inorganic compound of carbon which have poor energy value.

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Glucose

ATP

CO₂

NADPH

Plants contain ____________

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Colorophyll

Chloroplast

Both a and b

None

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