Question # 1

HIV belong to the group of viruses called.

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Pox viruses

DNA viruses

Retrovirus

Bacteriophage

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

The closing and opening of stomata is directly controlled by

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Wind

Temperature

Water

Light

The most recent ear is

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Paleozoic

Cenozoic

Mesozoic

Protozoic

Parmella is an example of.

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Fruticose lichen

Foliose lichen

Crustose lichen

Moss lichen

Glycogen in found abundantly in

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Liver

Muscles

Kidney

Both a and b

The largest invertebrate animal is

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Cuttle fish

Octopus

Glant squid

Dhysalia

Which statement about ATP is not true

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It is used as an energy currency by all cells

It is formed only under aerobic condition

Some ATP is used to drive the synthesis of storage compounds

It provides energy for many different biochemical reaction

Which of the following is a lipid

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Chitin

Rubber

Starch

Sucrose

Total photosynthesis is carried out by the terrestrial plants in about.

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15%

10%

20%

22%

A rasping tongue like radula having horny teeth is present in.

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sponges

Molluscs

Coelonterates

Annelids

Poly hydroxy butyrate is called.

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Antithrombin III

Nutra Sweet

Biodegradable plastic

Luciferin

Armadillos, the armored mammals live only in

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Africa

America

Europe

Asla

Pathway of passage of impulse during reflex action is called.

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Reflex

Reflex arc

Stimulus

Membrane potential

Acetabularia is a

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Epiphyte

Alga

fungus

Angiosperm

Anti thrombin III is a biotechnological produce produces in.

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sheep

Goat

Mice

Cow

How many types of finches did Darwin collect on Galapagos Island.

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13 types

20 types

25 types

30 types

The plant hormone that inhibit the growth lateral shoots.

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Cytokine

Auxin

Gibberellin

Ethene

Urine leaves the kidney through aduct called.

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Urethara

Pelvis

Ureter

Naphron

Mature bone cells are called as

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osteocytes

Chondrocytes

Osteoblasts

Blastocytes

Water is stored for use during the period of drought in fleshy stems of

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Cacti

Euphoribia

Both a & b

None of these

The type of inheritance with same phenotypic and genotypic ratio in F2

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Dominance

Incomplete dominance

Co dominance

Epistasis

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