Question # 1

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

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Smooth muscle

Endothelium

Skeletal muscle

Connective tissue

Which of the following process use energy to occur?

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Active transport

passive transport

Osmosis

All of these

Which of the following does not occur in the oral cavity?

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Lubrication of the food

Beginning of protein digestion

Breaking the food into small fragments

All of the above do occur in the oral cavity

In living organisms, redox reactions involving the loss and gain of _____________ atom.

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Oxygen

Carbon

Nitrogen

Hydrogen

Chloroplast is bounded by ................ membrane.

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Single

Double

Triple

None

It is a group of related orders:

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Genus

Class

Species

Family

Viruses can be _____________

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Seen

Crystallized

Store

None

A bacterial cell contains about _______________

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10,000

20,000

30,000

40,000

In experiments to show transpiration from lead surfaces cobalt chloride paper changes its colour from:

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Pink to blue

Blue to pink

Pink to colourless

Colourless to pink

The study of fossiles is called.

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Immunology

Pharmacology

Paleontology

Parasitology

The concentration of carbon dioxide in the environment is:

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0.3%

0.03%

3%

3.01%

The _____________ name begins with a capital letter .

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Generic

Species

Both a and b

None

Which of the following is not a macronutrient?

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Nitrogen

Oxygen

Carbon

Nickel

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