Question # 1

Which one contains companion cells

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Phloem

Cortex

Xylem

endodermis

Which one of the following is not a polysaccharide.

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Chitin

Cutin

pectin

Dextrin

Sphenodon is found is.

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Australia

New Zealand

Texas

Berlin

Temperature causes closure of stomata.

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30-40 ^oC

30-35^oC

40-45^oC

25-35^oC

Excess gastric secretion is an important factor of

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Obesity

Piles

Peptic ulcer

Food poisoning

Slow worm belongs to phylum.

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Annelids

Aschelminthes

Chordata

Plathelmin thes

Before pyruvate enters the citric acid cycle, it is decarboxylated, oxidized and combined with coenzyme A forming acetyl CoA, carbon dioxide and one molecule of

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NADH

FADH₂

ATP

ADP

Cell wall in Oomycetes is chemically composed of

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Cellulose

Chitin

Proteins

Lignin

Human tissues contains about 20% water in.

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Brain cells

Bone cells

Kidney cells

Skin cells

Neresis belongs to phylum

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Nematoda

Annelida

Arthropoda

Mollusca

Gastric secretion is inhibited by

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Bile

Gastrin

Pancreatic juice

Secretin

More than ten compounds of tar of tobacco smoke are included in causing.

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Cancer

Asthma

Emphysema

Tuberculosis

In the binomial system of taxonomy, the first word of an organism's name is its

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Species

Genus

Race

Family

The larva found in echinoderms is

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Trochophore

Veliger

Bipinnaria

Planaria

The number of edible mushroom species are about.

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100

200

300

400

The study of distribution of animals in nature is called.

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Biodiversity

Zoogeography

Geography

Wild life

The active site of an enzyme

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Never changes

Forms no chemical bond with substrate

Determines by its structure the specificity of an enzyme

Looks like a lump projection from the surface of an enzyme

Carbon dioxide enters the leaves through

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Stomata

Stroma

Gurad cells

Cuticle

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