Question # 1

The drugs that kills or reduce the reduce the growth of bacteria.

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Antibiotics

Analgesics

Antibodies

Antinorcotics

Abiotic component of ecosystem is.

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Producers

Herbivores

carnivore

Oxygen

Antibiotics are used for the;

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Treatment of Viral infections

Treatment of bacterial infections

Immunization against infections

Both "a" and "b"

Which of these micro-organism is used in the production of formic acid?

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Aspergillus

Bacillus

Saccharomyces

None of these

Which of the following is called voice box?

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Trachea

Larynx

Bronchi

Alveoli

An example of Endoparasite.

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Mosquitoes

Leech

Plasmodium

Lice

Conversion of Nitrates into nitrogen gas is called.

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Denitrification

Assimilation

Ammonification

Nitrogen fixtation

The nitrate forming bacteria are.

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Rhizobium

Nitrosomonas

Nitrobacter

Cocci

Which of these germinate by epigeal germination?

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Pea

Maize

Beans

Coconut

The primary chemical stimulus for breathing is the concentration of.

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Carbon dioxide in blood.

Oxygen in blood

Carbon oxide in muscles

Oxygen in muscles.

In mammals, the number of bones in lower jaw are:

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Only one

3

4

2

The correct match for the Fermentation product and organism involved is:

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Formic acid - Saccharomyces

Ethanol - Saccharomyces

Ethanol - Asperellus

Glycerol - Aspergillus

Glycerol is produced by:

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Aspergillus

Bacillus

Saccharomyces

Streptococcus

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