Question # 1

When an enzyme is no longer able to work, it is said to be:

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Catalyzed

Dead

Cofactored

Denatured

Independent assortment occurs during .................... .

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Meiosis I

Meiosis II

Mitosis

None

................ are called accessory pigments.

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Chlorophyll II

Xanthophyll

Carotenoids

All

Cell membrane is ....................... .

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Selectively permeable

Impaemeable

Totally permeable

None

Cytoplasm has ................ parts.

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1

2

3

4

Males with two Y chromosomes have more .................. tendensies.

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Citizenship

Criminal

Good

None

When a plant was kept in darkness for many days, its leaves turnes yellow. Why?

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Leaves could not yet oxygen and so there was no photosynthesis

Leaves could not get light and so there was no respiration

Leaves could not get oxygen and so there was no respiration

Leaves could not get light and so there was no photosynthesis

Plasmodium was named by:

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Ross

A.F.A.King

Laveran

None

_____________ is the total variety of life on earth.

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Biological diversity

Chemical divesity

Physical diversity

All of above

Electron beam is used in

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SEM

TEM

Both

None

Families are grouped into _____________

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Classes

Phyla

Order

Species

the depression near the centre of concave area of kidney is called.

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Cortex

Hilus

Medulla

Pyramids

Psilocin is obtained from.

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Cactus

Mushroom

Cannabis stive

Cannabis indica

The allele which is not expressed is called:

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Dominant

Phenotype

Genotype

Recessive

Which of these addictive drugs are also used as painkillers?

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Narcotics

Sedatives

Hallucinogens

All can be used

Medicine prepared in Laboratory are called.

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Synthetic

Plants made

Animals made

Mineral made

Which is not an advantage of grafting?

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The graft is identical to the parent plant.

Grafting allows the propagation of seedless fruits.

The graft combines the characteristics of two plants.

Grafting may allow for the faster production of desirable fruits.

The sensitive layer of eye is:

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sclera

choroid

retina

iris

The gas produced in mesophyll cells as by product during day time is called.

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Oxygen

Carbon dioxide

Nitrogen

Chlorine

What waste products are excreted by kidneys?

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Urea, water & salts

Salts, water and carbon dioxide

Urea & Water

Urea & salts.

Which type of asexual reproduction found in hydra and corals?

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Fragmentation

Spore formation

Budding

Regeneration

How much protein is produced by 50 kg of yeast in 24 hours?

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100 Ton

150 Ton

200 Ton

250 Ton

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