Question # 1

Bundle caps in sunflower stem, are formed by

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Sclerenchyma

Parenchyma

Mesenchyma

Collenchyma

The central station of metabolism and the body central metabolic clearing agent is.

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Stomach

Liver

Kidney

Gut

Mutualism is a type of.

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Symbiosis

Parasitism

Predication

Commensalism

The light which promotes germination of fern spores.

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green

Yellow

Red

White

The phase of meiosis during which nuclei disappear int he cell is called.

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Pachytene

Leptotene

Zygotene

Diplotene

Which evemt si not associated with the activity of expiration?

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Contraction of diaphragm

More dome like shape of diaphragm

Back ward& downward movement of rib cage

Relaxation of intercoastals muscles

Most efficient way of supporting the body is seen.

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Fishes

Aves

Reptiles

Mammals

Average loss of blood during birth in human female is about .

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150 cm3

250 cm3

350 cm3

450 cm3

Imprinting is best known in birds such as

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Geese

Ducks

Chickens

All a,b,and c

The best way to increase food production from ecosystem view point is:

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To increase cultivable land by clearing forest

Use of excessive fertilizers

Use of high quality pesticides

Use of genetically improved varieties of seeds

Eukaryotes are thought to have first appeared about____billion years ago

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1.2

1.3

1.4

1.5

Each intervetebral disc is a cushion like pad composed of

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Nucleus pulposus

Annulus fibrosus

Stomium globosus

Both a & b

The first restriction enzyme was isolated by.

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Kary mulis

Hamilton O smith

Maxam Gilbert

Sanger

Arginase splits the arginine to form ure and the percusor.

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Omithine

Creatinine

ammonia

Citruline

If lobster loses its pincer claw a new claw

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Regenerates

Never develops

IS ready

None of these

Embryo implants in the _________ of the uterus.

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Perimetrium

Myometrium

Endometrium

^Cervix

Intercalary meristems are situated at.

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Root apex

Shoot apex

Base of internode

Top of internode

Flame cells are poart of excretory sytstem of

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Hydra

Cockroach

Planaria

Earth worm

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