Question # 1

When Sir Alexander Fleming was awarded by Nobel prize on the discovery of penicillin?

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1881

1955

1945

1912

Genetics is branch of biology in which we stydy.

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Functions

Fossils

Inheritance

Evolution

______ get solar energy and transform it into chemical energy by the process of photosynthesis.

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Decomposers

Producers

consumers

Predators

The cells of cartilage are called:

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Chondrocytes

Osteocytes

Collagen

Osteo clast

Chromatin material is made of.

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DNA

Protein

RNA

DNA and protein

Aspirin is categorized as:

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A drug from animals

A synthetic durg

A drug form plants

A drug from minerals

During exercise or other hard physical works the breathing rate may increase up to.

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30-40 times per minute

50-60 times per minute

60-70 times per minute

70-80 times per minute

The process of gaseous exchange involves.

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Break down of C-H bounds to yield energy.

Physical movements that take air ain and our of body

Getting oxygen from the air and removing carbon dioxide

Transport of oxygen by the blood to different parts of the body.

A muscle which contract and straightens the joints called;

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Flexor

Receptor

Exrensor

Effector

Sequence of amino acid is protein is controlled by sequence of ___ in DNA.

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Genes

Loci

Nucleotides

Alleles

The materials flow forms one trophic level to the next by means of:

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food chains

food webs

energy pyramids

both A and B

Sound receptor cells are present in:

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pinna

eardrum

vesitbule

cochlea

Example of Endoparasite is:

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Plasmodium

Mosquito

Leech

Lices

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