Question # 1

Lithosphere includes.

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Air

Water

Gases

Earth soil

In prokaryote within promoter there are two binding sites TTGACA also called -35 sequence and TATAAT also called

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-10 sequence

- 20 sequence

- 30 sequence

- 35 sequence

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

During cell division, the nuclear division is called.

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Cytokinesis

Karyokinesis

Plasmolysis

Karyotype

Animals of the group of flatworms have simple tubular secretory system called of

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Kidney

Nephron

Protonephridia

Nephridia

Super cool cytosol, without ice formation, is caused by.

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Heat shock proteins

Solutes

Unsaturated fatty acids

Enzymes

The living organisms producing their own food.

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Heterotrophs

Consumers

Green plants

Decomposers

A localized group of individuals belonging to the same species is called as.

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Community

Population

Ecosystem

Bio sphere

Gonadotropin releasing hormone is responsible for the strimulating release of which hormone?

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LH

Progestrone

Secretin

Insulin

If an mRNA is synthesized with the differnt codons, what is the minimum number of amino acids in the protein that is formed by the mRNA?

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64 Amino acids

62 Amino acids

60 Amino acids

None of them

Mature bone cells are called as

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osteocytes

Chondrocytes

Osteoblasts

Blastocytes

The process that normally exerts the greatest control over the water balance of an individual is:

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Sweating

Kidney function

Evaporation through the skin

Respiratory loss

Using the hardin-weinberg principle, which expression represents the frequency of the homo-zygous recessive genotype?

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p²

2p

q²

q

The tumours which are of small size and localized are

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Bengin

Malignant

Gentle

Nasty

Buoyancy in the water is maintained by a specialized structure in bony fish called

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Fins

Swim bladder

Tail

Both a & c

Positive gravitropism of root is due to.

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Auxin

gibberellin

Abscisic acid

Ethene

Herbaceous stage in xerosere is the

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First stage

Third stage

Fourth stage

Last stage

Plantigrade mode of Locomotion is.

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Monkey

Rabbit

Goat

Rodents

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