Question # 1

A cubic millimeter of blood contain about ............. million RBCs.

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5

10

15

20

A related group of genera comprises:

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An order

A family

A class

a phylum

_____________ modified the Whittaker system.

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Aristotle

Margulies

Sachwartz

Both a and b

What is True about enzymes?

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They make biochemical reactions to proceed spontaneously

They lower the activation energy of a reaction

They are not very specific in their choice of substrates

They are needed in large quantities

.................. does not require sunlight.

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Photosynthesis

Respiration

Both

None

Which of the following may be the correct way of writing the scientific name of an organism?

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Canis lupis

Saccharum

Grant's gazelle

E.Coli

Experimentation is only a step of the scientific process but it is very important step because it always:

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Gives the biologist a correct result

Allows rejection of some alternative hypothesis

Ensures that hypothesis can be confirmed with certainity

Give scientists a chance to work in the laboratory

According to Binomial nomenclature the name of organism is composed of _____________ parts.

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Three

Four

Two

One

............... is an essential requirement of photosynthesis.

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CO2

H2O

O2

All

Biodiversity is richer in :

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Tropics

Temperate regions

Polar regions

Desert

Pus is formed from which of the following dead white blood cells?

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Lymphocytes

Eosinophils

Monocytes

Basophils

The most important and visible part of cell is:

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Cell wall

Cell memebrane

Nucleus

Mitochondria

Cell membrane i present in _______________ cells.

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Plants

Animals

Both

NOne

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