Question # 1

Archaeobacteria can tolerate temperature upto.

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120 ^oC

140 ^oC

160 ^oC

180 ^oC

Mammalian kidney including human is adapted to conserve water by over

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20.5%

50%

99.5%

70%

The shell, over chick egg is secreted as it passes through.

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Ovary

Oviduct

Uterus

Cloaca

The stage of prophase that last for days, week or even year is.

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Leptotene

Zygotene

Pachytene

Diplotene

The animal that is caought and eaten is called.

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Prey

Parasite

Predator

Host

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

A dichromate can perceive two primary colours but is unable to perceive the one whose opsins are missing due to

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Metamorphosis

Transmutation

Alteration

Mutation

A plant is adapted to remove the flooding of its cells in fresh water.

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Mesophyte

Cactus

Hydrophyte

Xerophyte

Downs syndrome (Mongolism) occurs in man during which 21^st chromosome falls to segregate resulting gamete with

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20 chromosomes

21 chromosomes

22 chromosomes

24 chromosomes

Air is being polluted rapidly due to

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Industrialization

Automobiles

Sewage

Both a & b

Alzheimer's disease is characterized by the decline in the function of.

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Brain

Kidney

Liver

Stomach

Auxins promote growth of roots from

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Cutting

Calluses

Both a & b

Layering

A weed called mouse eared cress is engineering produce a biodegradable plastic called.

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Luciferin

Digitoxin

Polyhydroxy butyrate

Pheylalanine

The tumours which are of small size and localized are

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Bengin

Malignant

Gentle

Nasty

In tomato and pappers, parthenocarpy is artificially induced by adding.

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Auxins

Cytokinins

Abscisic Acid

Ethene

Grasslands present in temperate climates are also called

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Prairies

Pampas

plain

Lowland

Young tissues retaining the potential to divide.

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Meristem

Xylem

Phloem

Cork

A condition in which palatine processes of maxilla and palatine fall to fuse is.

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Microcephaly

Cleft palate

Fused palate

Osteoarthritis

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