Question # 1

Any environment factor, the absence or deficiency of which can decrease the rate of a metabolic reaction known as:

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Unlimited factor

Limiting factor

Both

None

Cell theory was proposed by:

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Robert Hooke

Schwann

Schleiden

Both B and C

There are _________ P-bonds in an ATP molecule.

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Two

Nine

Six

Four

The branch of biology which deals with classification and also traces the evolutionary history of organisms is known as:

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Taxonomy

Systematic

Genetics

Histology

The death of the heart tissue is called:

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Arterioclerosis

Atherosclerosis

Myocardial infarction

Thalassemia

..................... Organisms cannot carry out photosynthesis.

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Autotrophic

Heterotrophic

Both

None

Photosynthesis is a /an _____ process.

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Metabolic

Catabolic

Anabolic

Chemical

There are more than _____________ million kinds of living organism.

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1

2

3

4

_____________ is the total variety of life on earth.

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Biological diversity

Chemical divesity

Physical diversity

All of above

The class of man is:

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Insecta

Mammalia

Magnoliopsida

Proteobacteria

The rate of transpiration is increased when:

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Low light

Temperature decrease

Humidity increased

None of these

Main role to give out air form lungs is;

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Bronchus

Bronchi

Bronchiote

Diaphragm

In retina the photosensitive cells are:

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rods

cones

neurons

both A and B

In the structure of DNA Adenine of one nucleotide pairs with which of the nitrogenous base opposite nucleotide:

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Guanine

Cytosine

Thymine

Uracil

In ecosystem the role of decomposers is played by

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animals

plants

bacteria and fungi

algae

Biosphere surrounding the Earth is about.

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17 KM

18 KM

19 KM

20 KM

A community and its biotic components is known as:

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Biosphere

Habitat

Ecosystem

Food web

The method used for the cultivation of sugar cane is:

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Cutting

Grafting

Layering

Spores

Fruit is formed by:

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Ovule

Ovary

Calyx

Style

Streptomycin is obtained from.

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Bacteria

Virus

Fungi

Microoganisum

Alternatives forms of a gene are called:

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Allele

DNA

Chromosome

Gamete

The concave part of the kidney is toward.

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Upper

Lower

Toward vertebral column

Away from vertebral column

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