Question # 1

Example of rod shaped bacteria

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Bacillus

Staphylococcus

Vibrio

Hyphomicrobium

Vascular and cork cambiums are examples of

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Lateral meristem

Intercalary meristem

Apical meristem

None of above

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 is more resistance to decay

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Cellulose

Lignin

Chitin

Waxes

The division karyokinesis included

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Prosphase

Metaphase & anaphase

Telophase

All of above

Which one is not the unique property of water

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Temperature

Absorption of energy

Abundant water with appropriate Temperature

None of these

For reuse of renewable resources there are

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Natural cycle

Nutrient cycle

Nitrogen cycle

CO₂ cycle

Which of the following are example of divergent evolution

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Wings of bat

Wings of birds

Forelimbs of man

Wings of insects

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

According to five kingdom system the prokaryotic unicellular organisms are placed in

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Protista

Monera

Plantae

None of above

Photosynthetic organisms probably used------ as a source of hydrogen for reducing CO₂ to sugar

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Hydrogen sulphide

Hydrogen peroxide

Hydrochloric acid

Sulphuric acid

Terrestrial ecosystem is divided into main types

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Forest

Tropical rain forest

Temperate deciduous forest

Coniferous alpine and boreal forests

Littoral zone is

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Beyond the shore

Near the shore

Mid the shore

Bottom zone

Different alleles of a gene that are both expressed in a heterozygous condition are called

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Co dominance

Incomplete dominance

Over dominane

Complete dominance

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