Question # 1

The protists are

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Unicellular

Colonial

Simple multicellular

All of above

Which of the following is a artificial asexual reproduction in plants

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Multiple fission

Binary Fission

Grafting

All of above

Plasmid pSC 101 has antibiotic resistance gene for

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Tetracycline

Penciline

Ampicillin

Streptomycin

Animals from annelids to chordate are

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Acoelomates

Pseudocoelomates

Coelomates

None

The circulatory system accounts for the rapid mass flow of materials from one part of the body to the other is_____than diffusion

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Rapid

Slow

Very low

None

The number of naturally occurring chemical elements is

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126

86

92

206

An association between a fungus and roots of higher plants is called

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Mycorrhizae

Lichen

Fungus

None

Cell division number is increased by increasing the

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Intensity of light

Quality of light

Quantity of light

Colours of light

Altered alternative forms of a gene whose number is more than two are known as

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Incomplete dominance

Multiple alleles

Double alleles

None

Which of the following are metal ions used as a co-factor

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Mg²⁺

Fe²⁺

Cu²⁺

Carbohydrates are also called saccharides derived from

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Greek word

Italic word

French word

None of above

In frog the exchange of gases takes place through

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Lungs

Skin

Buccal chamber

All of above

A group of inter breeding individuals occurring together in space and time

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Species

Population

Biosphere

None

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

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Spiracles

Tracheoles

Tracheal end cells

Air spaces

If non-protein part is loosely attached with the substrate then it is called

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Co-enzyme

Prosthetic group

Activator

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NAT I Medical Biology MCQs With Answers

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