Question # 1

Necrosis of neural tissue takes place during.

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Myocardial infarction

Cerebral infraction

Haemorrhage

Hypertension

Which are not omnivores.

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Bears

Dear

Crows

Plags

After fertilization ________ischanged into a seed.

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Fruit

Flower

Ovule

Overly

The optimum pH of catalase is

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6.60

7.60

8.60

9.60

Diatoms belong to phylum.

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Rholophyta

Phaeophyta

Chiysphyta

Pyrrophgyta

Detoxification of harmful drugs is the function of

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RER

SER

Both a and b

None of these

Phylogeny describes a species.

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Morphological similarities with other species.

Evolutionary history

Reproductive compatibilities with other species.

Geographical distribution

The vertebrates in which placenta is formed during the development of foetus are known as

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Pisces

Aves

Mammals

None of these

Plasmid is

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Essential for bacterial growth and metabolism

Drug resistant having disease and insect resistant gene

Essential for bacterial growth only

All of above

In the absence of oxygen, yeast cells obtain energy by fermentation, producing CO3, ATP and.

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Acetyl CO-A

Ethanol

Lactate

Pyruvate

The most abundant carbohydrates in nature is

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Starch

Cellulose

Maltose

Glucose

Which of the following NOT dispose off a type of waste directly to the environment?

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Digestive system

Respiratory system

Circulatory system

Urinary system

Human cells contain types of tRNA molecules.

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20

45

195

300

The distinct levels of food chain are called.

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Food chain

Food Web

Trophic level

Energy pyramid

In myelinated neurons the impulse jumps from node to node (node of Ranvier) This is called

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Myelinated impulse

Jumping impulse

Saltatory impulse

None of these

Most efficient way of supporting the body is seen.

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Fishes

Aves

Reptiles

Mammals

Fresh water ecosystem covers less than.

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1%

3%

5%

7%

ABO Blood group system in man is encoded by a oolvmorohic gene I on chromosome.

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7

9

10

23

Which one of the following condition is resulted from excess GH in adults?

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Cushing's disease

Acromegaly

Hyperthyroidism

Diabetes mellitus

Lichen is a symbiotic association between a fungus and.

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Gymnosperm

Angiosperm

An alga

Pterrdophyta

Hypophosphatemia rickets is an X linked.

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Dominant trait

Over dominant trait

co dominant trait

Recessive trait

Mendellan factors were renamed as 'genes' by

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Mendel

Correns

Morgan

Johannsen

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