Question # 1

Who described cells first?

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Robert Hooke

Leeuwenhook

Robert Brown

Scheiden & Schwann

The _______is a major component of plant cell walls.

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Chitin

Peptidoglycan

Cellulose

Cholesterol

Improved the quality of lenses.

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Robert Brown

Robert hooke

Leeuwenhoek

Dolland

Which one are the sites of protein synthesis?

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Nucleus

Mitochondria

Endoplasmic reticulum

Ribosomes

There are_______________chromosomes in radish.

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46

18

16

23

Cytoplasm is composed of _______________water.

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10%

30%

60%

90%

The example of bulkiest cells are:

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Becteria

Bird eggs

Muscle cells

Verve cells

The resolution of human eye is _____ mm

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1.0

2.0

0.1

0.2

Cellular eating is called:

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Pinocytosis

Endocytosis

Phagocytosis

None

Cells of _______________. tissues are flattened and irregular in shape.

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Epidermal

Ground

Supporting

Collenchyma

The most abundant and important organelle belongingto plastids are:

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Chloroplast

Chronoplast

Leucoplast

None

................. are involved i protein synthesis.

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SER

RER

Both

None

Which solution has equal concentrations of solutes?

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Hypotonic

Hypertonic

Isotonic

Toxic

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