Question # 1

Which of the following characters is not true about enzymes?

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Globular in shape

Non-specific

Protein in nature

Highly reactive

Green leaves in which glucose is prepared called .......... .

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Source of assimilates

Sink of assimilates

Both

None

.......... is the most abundant .

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Chlorophyll a

Chlorophyll b

Chlorophyll c

Chlorophyll d

Low ..... level can cause people to develop anemia.

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Calicium

Vitamin

Iron

Protein

In which stage of the cell cycle, the cell is preparing enzymes for chromosome duplication.

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G1

G2

S

M

Was the first person to observe single celled organism.

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Robert Brown

Leeuwenhoek

Robert Hooke

Dolland

What happens when a mismatched blood group is injected in recipient?

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Antibodies of the recipient's blood destroy donor's RBCs

Antibodies of the donor's blood breakdown recipient's RBCs

Both of these can happen

None of these and such transfusion can be safe

The wavelike movement of muscle that pushes food through digestive system is called:

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Churning

Emulsification

Absorption

Peristalsis

The movement of molecules against the concentration gradient is called:

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Diffusion

Passive transport

Active transport

Endocyosis

Ulcers occur in the :

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Stomach

Duodemum

Esophagus

All

Which group of enzymes breaks up starches and other carbohydrates?

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Proteases

Lipases

Amylases

None of these

The sensory part of ear is:

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Succulus

Stapes

Vestibule

Cochlea

The drug used to reduce pain are known as;

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Analgesics

Antiseptics

Antibiotics

Sedatives

The U-shaped part of renal tubule is called:

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bowrman capsule

glomerulus

renal pelvis

loop of Henle

Aspirin is categorized as:

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A drug from animals

A synthetic durg

A drug form plants

A drug from minerals

In plants, gaseous exchange takes place as:

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CO2 is removed and O2 is absorbed

CO2 is absorbed and O2 is removed

CO2 and O2 both are absorbed

CO2 and O2 both are removed

Which kind of blood vessels are present around the alveoli?

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Artery

Capillary

Arteriole

Veins

The waste products secreted by kidneys contains.

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Urea, water and salts

Salts, water and carbon dioxide

Urea and water

Urea and salts

James Watson and Francis Crick proposed the structure of DNA in.

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1953

1963

1933

1922

A coordinated action has components:

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3

4

5

6

Glottis is a narrow opening at the floor of:

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Nasal cavity

Nostril

Pharynx

Antibiotics

The substances used for the treatment cure, prevention of diagnosis of diseases are called:

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Medicinal drugs

Narcotics

Hallucinogens

Sedatives

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