Question # 1

Which of the following is the abiotic component of an ecosystem?

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producers

Herbivores

Carnivorse

Oxygen

In the atmosphere, carbon is found as

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graphite

diamond

carbonates

carbon dioxide

A relationship between two organisms in which individual of one species may kill and eat individuals of other species is called.

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Symbiosis

Competition

Predation

Mutualism

First step in Genetic Engineering is.

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Isolation of gene of intrest

Insertion of gene into a vector

Transfer of recombinant DNA into host

Growth of the GMO

In case of tetanus vaccination which is for limited time___ are used for continuous protection.

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B.Lymphocytes

Booster shots

Antibiotics

None of these

Cartilage and bones are ___ type of animal tissues:

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Ground

Supporting

Connective

Columns

Ibn- al- Haytham is famous for his book.

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Chemistry

Optics

Biology

Coordination

Single -Cell protein (SCP) refers to the protein content extracted form pure or mixed cultures of:

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algae,yeasts, fungi or bacteria

fungi or bacteria

algae, yeasts

algae, viruses, bacteria

The allele which is not expressed is called:

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Dominant

Phenotype

Genotype

Recessive

The nitrate forming bacteria are.

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Rhizobium

Nitrosomonas

Nitrobacter

Cocci

If you look at an intact human brain, what you see the mostis a large, highly convoluted outer surface, this is the:

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Cerebrum

Cerebellum

Pons

Medulla oblongata

The process of guttation occurs in the plant.

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Pine

Grass

Keekar

Rubber plant

At the end of a long food chian the energy will be.

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Will more

As same as at start

Will less

Zero

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