Question # 1

Gene can be synthesized in the laboratory from messenger RNA, using reverse transcriptase this synthesized molecule is called

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Complementary RNA

Complementary DNA

Both A and B

None

Use of water in Domestic : Industrial

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10% : 90%

20% : 80%

30% : 70%

50% : 50%

Which one of the following statement is not appropriate for fungi

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They are heterotrophic

Their cell wall is mostly of chitin

Their plant body is termed Hyphae

Their are autotropic

Plasmids are extra circular DNA molecules having genes for

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Antibiotic resistance

Fertility

Both A and B

None

Carbohydrates are also called saccharides derived from

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Greek word

Italic word

French word

None of above

In all bryophytes liverworts are

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Complex

Simple

Both a & b

None

In Linnaeus's system each species has a scientific name comprising of

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3-words

4-words

One words

2-words

Which of the following points about the germ theory of disease is not true

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A specific organism can always be found in association with a given disease

The organism can be isolated & culture in laboratory

It is not possible to recover the organism in pure culture

The pure culture will produce the disease when inoculated in to susceptible animal

Which organelle of the plants capture light energy coming from sun

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Mitochondria

Cell wall

Chloroplasts

Ribosomes

Division of nucleus is called

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Nuclear division

Karyokinesis

Cytokinesis

All of above

The main tracheae divide and subdivide forming very fine thin walled tubule called

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Spiracles

Tracheoles

Tracheal end cells

Air spaces

System in water in which living and nonliving things exchange materials and energy is

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Hydrospheric ecosystem

Aquatic ecosystem

Major ecosystem

None of these

Chlorophyll contains a very important compound

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Iron

Phosphorus

Magnesium

Sulphur

Phylum are divided in to

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Families

Classes

Genera

Orders

Enzyme used for the cutting of chromosome is

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Ligase

Kinase

Polymerase

Restriction endonuclease

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NAT I Medical Biology MCQs With Answers

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