Question # 1

Bundle caps in sunflower stem, are formed by

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Sclerenchyma

Parenchyma

Mesenchyma

Collenchyma

A full set of genes of an individual is called.

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Genome

Genotype

Karyotype

Dominance

Find secreted by Sertoli cells provides liquid medium, protection and nourishment to.

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Oocyte

Sperms

Polar body

Spermatids

Shape of the plant cell does not change greatly compared with an animal cell because it is surrounded by a rigid

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Cell membrane

Capsule

Sheath

Cell wall

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

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cloning

Genetic engineering

Tissue culture

Gene therapy

Which sequence of organs is correct in air passage way of man?

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Nasal cavities larynx phaynx trachia bronchi

Nasal cavities phaynx trachia larynxbronchi

Nasal cavities phaynx larynxbronchitrachia

Nasal cavities phaynx larynxtrachia bronchi

A hurdened outer surface to which internal muscles can be attached is

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Endoskeleton

Hydrostatic skeleton

Exoskeleton

Axial skeleton

Which one is Tall grass

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Andropogon

Panicum

Both a & b

Stipa

Among the birds Drawin collected 13 types of

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Finshes

Robins

Ferrets

Pterodactyls

What would be expected to happen if all the nitrogen-fixing organisms ceased to exist?

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There would be no significant change in number of animals

The total number of biomass would be reduced

All organisms would die out

The nitrogen level of the atmosphere would be increase

Resting membrane potential of a neuron is

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50 mv

-70 mv

-60 mv

-80 mv

Interphase can further be divided into

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G₁-phase,S-phase and G₂-phase

G₁-phase,G₂-phase and G₃-phase

S₁-phase,S₂-phase and S₃-phase

S₁-phase,G-phase and S₂-phase

Zoos and botanical gardens are to save species whose extinction is.

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Imminent

Prominent

Parmanent

dominant

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

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

The word tropic is derived from greek word 'tropos' meaning.

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Sticky

Turn

Attractive

Growth

Macaca mulatta is commonly known as

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Rhesus monkey

Chimpanzee

Apes

Gorilla

Which one is not a mesophyte.

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Brassica

Mango

Rose

Cacti

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