Question # 1

During binary fission, the nucleus of parent organism divides into two by:

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Sexual reproduction

Meiosis

Mitosis

None of these

Genetics is the branch of biology in which we study:

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Functions

Fossils

Inheritance

Evlution

Alcohlic fermentation is carried out by:

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Yeast

Becteria

Virus

Algae

In wood seems and roots the gaseous:

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lenticels

epidermal cells

somata

micropyle

Aspirine belongs to the group of:

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Derived from the animal

Derived from plants

Synthetic drugs

Derived from becteria

In retina the photosensitive cells are:

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rods

cones

neurons

both A and B

Bacterium (E.coli) which prepares human growth hormones was Synthesized in:

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1980

1910

1970

1977

Ibn- al- Haytham is famous for his book.

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Chemistry

Optics

Biology

Coordination

It is the process by which the better genetic variations become more common in successive generations of population:

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Variation

Artificial selection

Selective breeding

Natural selective

The structural and functional unit of nervous system is:

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neuron

nephorn

nerve

cell body

Example of hinge joints is:

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Elbow joint

Hip joint

Shoulder joint

Joints between the vertebrae

The are how many hydrogen bonds between cytosine and guanine?

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one

two

three

four

Body balance of water, salts, temperature and glucose is termed as:

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Excretion

Tubular

Homeostasis

Re-absorption

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