Question # 1

_______________ is the process i which molecules moves from region of higher concentration to region of lower concentration.

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Diffusion

Osmiss

Active transport

Passive transport

___________ tissue are thick walled dead cells.

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Collenchyma

Schevenchyma

Parenchyma

None

Ribosomes occur in groups called .................. .

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Nucleosomes

Polysomes

Dictyosomes

All

Ribosomes are present in :

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SER

RER

Both

NOne

Are the major source of energy .

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Protein

Lipid

Crabohydraets

Vitamins

Enzymatic reactions are _______ of times faster than uncatalyzed reactions:

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Millions

Hundreds

Thousands

Billion

Oesophague is .......... centimeters long.

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10 cm

25 cm

20 cm

None

The amount of plasma in blood is:

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35%

45%

55%

65%

_______________ tissues are composed of thin walled cells.

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Epidermal

Ground

Supporting

Collenchyma

Who suggested the first system of classification of organisms?

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Al-Jahiz

Aristotle

John Ray

Averroes

Which enzyme works in stomach?

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Lipase

Trypsin

Pepsin

Amylase

The most important and visible part of cell is:

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Cell wall

Cell memebrane

Nucleus

Mitochondria

Cells are of .............. types.

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1

2

3

4

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