Question # 1

When do the atria contract?

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Before diastole

After systole

During diastole

During systole

A protein found in the rod cells of retina of eye is:

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Trypsin

Pepsin

Rhodopsin

None of these

The process of breaking down large droplets of fat into small droplets of fat is called:

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Emulsification

Absorbtion

Peristalsis

Digestion

The exchange of parts of non-sister chromatids is called:

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Chiasmata

Linkage

Crossing over

None of these

................. is called energy currency of cell.

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ADP

ATP

AMP

All

The large intestine is about ................ meters long.

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1.2

1.3

1.4

1.5

............... is a great stabilizer of body temperature.

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Carbon

Nitrogen

Water

None

Cytokineses in a plant cell is characterized by:

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The equal division of homologous chromosomes

A pinching off a cell membrane to divide the cell

The formation of a cell plate in the cytoplasm

The movement of the chromosomes from the metaphase plate

Cellulose is present in:

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Primary wall

Secondary lamella

None of above

DudolF was a ........................ .

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Cytologist

Surgeon

Pathalogist

Dentist

Biodiversity means :

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Variety with in a species

Variety among the species

Variety within a species and among the species

None of these

The addictive drug use to reduce pain are.

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Sedatives

Narcotics

Marijuana

Antibiotics

The optimum temperature for the germination of the seeds of most plants ranges from:

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20 - 30 ^oC

25 - 35^oC

25 - 30^oC

20 - 25^oC

ABO blood system is controlled by a gene I The number of alleles I.The number of alleles of this gene are:

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two

three

five

many

Most of the gaseous exchange in a leaf occurs through.

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Stomata

General surface

Cuticle

lenticels

How many pairs of homologous chromosomes are present in human body cells:

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22

23

24

25

This is not a part of hindbrain:

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Celebelium

Cerebrum

Medulla oblangata

Pons

The components of coordination action are:

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two

three

five

seven

A relationship between two organisms in which individual of one species may kill and eat individuals of other species is called.

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Symbiosis

Competition

Predation

Mutualism

The sensitive layer of eye is:

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sclera

choroid

retina

iris

Sulfonamides affect bacteria in the following way;

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break the cell wall

inhibit protein synthesis

Stop the synthesis of new cell wall

Stop the Synthesis of folic acid

Which form of nitrogen is taken by the producer of the Ecosystem?

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Nitrogen Gas

Ammonia

Nitrage

Nitrates

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