Question # 1

Ibn- al- Haytham is famous for his book.

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Chemistry

Optics

Biology

Coordination

In tissue culture technique, cell starts mitosis and produce masses of cells called.

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Clonning

Graftings

Calluses

Rhizome

The cardiotonic known as digitalis, is obtained from a plant.

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Accacia

Barassica

Mimose

Fox glove

Cytosine always makes pair with.

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Guanine

Hyydrogen

Adenine

thymine

Pathogens contain special proteins called.

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Antigens

Antibodies

Antibiotics

Antiseptics

In wood seems and roots the gaseous:

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lenticels

epidermal cells

somata

micropyle

Which is not an advantage of grafting?

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The graft is identical to the parent plant.

Grafting allows the propagation of seedless fruits.

The graft combines the characteristics of two plants.

Grafting may allow for the faster production of desirable fruits.

Hind brain does not include :

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Pons

Medulla oblongata

Celebrum

Celebelium

The process of formation of protein is:

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Translation

Duplication

Mutation

Replication

When the antibiotics are not effective against viral infections, then it is called.

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Efficiency

Efficacy

Inefficiency

Resistance

How many hydrogen bounds are formed between adenine and thymine?

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1

2

3

4

The treatment through genes is called.

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Gene therapy

Chemo therapy

Radio therapy

Physio therapy

The purpose of Ribs Cage is:

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Protection of stomach

Protection of heart and lungs

Protection of Spinal cord

Protection of Pharnyx

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