Question # 1

The number of human spinal nerves is:

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24

50

62

64

The study of birds is:

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Ornithology

Ichthyology

Herpetology

Entomology

A pesticide is a chemical which destroys agricultural

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Pests

Competitors

Crops

Both a & b

The whole of the world land is called.

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Lithosphere

Hydrosphere

Ecosphere

Biosphere

Growth of tissue in an artificial liquid culture medium is termed as.

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cloning

Genetic engineering

Tissue culture

Gene therapy

Selective weed killer

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2-4 D

I AA

NAA

IPA

Human cells have 46 chromosomes consisting of

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20 pairs

21 pairs

22 pairs

23 pairs

The urine leaves the body during urination from bladder through a tube called.

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Pelvis

Urethra

Ureter

Medulla

Labour pains are induced by a hormone.

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ACTH

Oxytocin

Progesterone

Corticosteroid

A callus is an undifferentiated group of

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Cells

Tissues

Organs

Systems

The stand which elongates towards the replication fork is.

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Leading

Lagging

Okazaki

Primer

Dialysis cleans the blood either by

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Passing it through an artificial kidney

Filtering it within abdomen

Removing the whole blood from body

Both a&b

The collenchymas cells have protoplast and usually lack

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Secondary wall

Vacuole

Middle Lemelta

Primary wall

Cucumber, tomato, garden pea, maize, cotton are example of.

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Short day plant

Day natural plant

Long day plant

Night natural plant

Mammalian kidney including human is adapted to conserve water by over

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20.5%

50%

99.5%

70%

Symbiotic association of analgia living within fungus mycelium is known as.

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Mycorrhiza

Lichen

Parasitism

Root Nodules

The sensation of pain is produced by

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Chemoreceptors

Photoreceptors

Nociceptors

Mechanoreceptors

Most of the major orangs of embryo are formed within the.

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10 week

12 week

14 week

15 week

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