Question # 1

80% of total RNA is the cell comprises of.

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mRNA

tRNA

rRNA

RNA-DNA hybrid

Cell membrane has 60-80 %

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Lipids

Vitamins

Proteins

Carbohydrates

When a green plant performs photosynthesis at it maximum rate

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The rate of water loss in high

The water content of the plant will be low

The energy content of the plant will be low

The energy content will be unaffected

Excess gastric secretion is an important factor for

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Obesity

Piles

Food poising

Peptic Ulcer

The lowest percentage of bio elements in man among the following is of.

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Chlorine

Sulphur

Manganese

Iron

In deductive reasoning we move from

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General to specific

Specific to general

General to general

Specific to specific

Mesosomes are internal extensions of the

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Cell wall

Cell membrane

Chromatin body

Capsule

Human tissues have 85% water is cells of

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Bone

Blood

Brain

Liver

Population of different species living in the same Habitat form a.

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Community

Biosphere

Biome

Ecosystem

Robert Brown reported the presence of.

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Lysosome

Ribosomes

Mitochondria

Nucleus

Larva of Mollusca and annelids

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Radula

Planula

Trocophore

Germmula

It is estimated that human genome could take an encyclopaedia of 200 volumes each with

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10 pages

100 pages

1000 pages

10,000 pages

Human skin colour is also a quantitative trait which is controlled by

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3 - 6 gene pairs

1 - 3 gene pairs

None of these

Which part of the air passage way possesses chartilage plates in its wall?

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Bronchiles

Distal religion of bronchi

Phroximal region of bronchi

Trachea

The whole of the world land is called.

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Lithosphere

Hydrosphere

Ecosphere

Biosphere

Environmental factors causing abnormal development are grouped together as.

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Toxins

Carcinogens

Teratogens

Mutagens

Asexual reproduction requires only a single parental organism which gives rise to offspring by

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Mitotic cell division

Meiotic cell division

Both a and b

None of these

The wall of trachea(windpipe) and bronchi of man is fernished with a series of incomplete:

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Cartilagenous plates

Chitinous rings

Cartilaginous rings

Muscular rings

the active uptake of sodium in the loop of Henle is provided by the actioon of hormone

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Cortisone

Testosterone

Aldosterone

Progesterone

Primary succession may start in a dry soil or rock is called.

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Hydrosere

Xerosere

Derosere

Desert

The period of life cycle of cell between two consecutive divisions is termed as.

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Resting phase

Inter phase

G1 phase

G2 Phase

The end products of haemoglobin breakdown and metabolites of various hormones is

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Glucagon

Bilirubin

Keratin

Serotonin

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