Question # 1

What will be the age of willow tree 10 centimeter long and 70 centimeter in diameter

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40 years

50 years

60 years

70 years

The joint that allows the movement in two directions is called.

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Cartilaginous joints

Hinge joints

Syrovial joints

Ball and Socket joints

Saliva and urine are used for evaporative cooling by

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Bat

Dogs

Birds

Seals

Darwin's origin of species was published in.

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1840

1859

1865

1890

Archaebacteria tolerate temperatures up to

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10^oC

40^oC

67^oC

120^oC

The hyphae of fungi are

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Phototactic

Chemotropic

Geotropic

Chemotactic

Active membrane potential is

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0.05 volts

- 50 mv

Both a & b

0.07 volts

The abiotic component of an ecosystem is.

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Temperature

Producer

Consumer

Decomposer

Genetic code is a combination of 3 nucleotides in DNA which specify a particular

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Amino acid

Fatty acid

Vitamin

Steriod

Morphological characteristics of chromosome are collectively called.

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Holotype

Karyokinesis

Karyotype

Neotype

Sperm are formed in.

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Vas deferens

Collecting ducts

Seminiferous tubules

Epididymis

The number of linkage group in man is:

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02

23

46

92

Microtubules are composed of protein, tubulin and traces of.

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DNA

Glycolipid

RNA

Phospholipid

Gastrin is the hormone produced by mucosa of

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Oesophagus

Small intestine

Stomach

Large intestine

Coniferous forest located at high latitude are called.

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Alpine

Boreal

Talga

Prairies

In plants movement in response to stimulus of touch is called.

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Phototactie

Chemotatic

Thigmotopism

Nyctinasty

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

When the human blood leaves the capillary bed of the tissue, most of the carbon dioxide is inthe form of:

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Carbonic acid

Bicarbonate ions

Carboxylic acids

None of them

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