Question # 1

Water regulation in fresh water ciliates is controlled by special organelle called

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Food vacuole

Contractile vacuole

Cytoplasm

Nucleus

Life on earth is affected by

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Weather

Climate

Temperature

Both A and B

In which of the phase chromosomes are not visible

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Prophase

Metaphase

Anaphase

Teleophase

The productivity can be indicated by

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Consumption of CO₂

Evolution of CO₂

Both A and B

None of these

The instrument that is used ti measure the relative abilities of different pigments to absorb different wavelengths of light is

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Viscometer

Thermometer

Spectrophotometer

Electrometer

Carbohydrates are also called saccharides derived from

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Greek word

Italic word

French word

None of above

Metals,non metallic minerals and fossil fuels,(coil oil and Natural gas) are what type of resources

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Renewable

Non renewable

Both A and B

None of these

The word virus is associated with

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Living

Dead

Disease and death

Normal

Animals from annelids to chordate are

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Acoelomates

Pseudocoelomates

Coelomates

None

Gametes in bryophytes are produced by

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Meiosis

Mitosis

Binary fission

Fragmentation

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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 process of photosynthesis in green plants in

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CO₂ + O₂ +light → CHO +6O₂ +6H₂O

6CO₂ +12H₂O +light → C₆H₁₂O₆+ 6O₂ +6H₂

6CO₂ +12H₂O → C₆H₁₂O₆ + 6O₂ +6H₂O

None

Fungi resembles to animals due to presence of

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Cellulose

Lignin

Chitin

Centrioles

The outer most boundary in most of the plant cells is

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Cell wall

Cell membrane

Primary wall

None

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