The study of fish is known as ___?

A: Ichthyology

B: Entomology

C: Ecology

D: None of these

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Ichthyology

Which planet is much brighter in our solar system?

A: Venus

B: Earth

C: Mercury

D: Jupiter

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Venus

Which of the following is used in water purification?

A: Osmosis

B: Reverse Osmosis

C: Cytolysis

D: Turgor Pressure

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Reverse Osmosis

Black gold is an oil; Black diamond is____?

A: Iron

B: Copper

C: Coal

D: Wood

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Coal

The species that flower are called ____?

A: Bryophytes

B: Gymnosperms

C: Angiosperms

D: Algae

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Angiosperms

It is possible to recognize a person in the dark by simply hearing his unique voice . It is because of the__?

A: Frequency

B: pitch

C: Time period

D: Quality

E: None of these

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pitch

The hormone that increases the rate of heart beat and blood pressure after shock in a person is______?

A: Gastrin

B: Adrenalin

C: Thyroxin

D: Pancreatic

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Adrenalin

In Fishes excretory Product is_____?

A: Ammonia

B: Nitrogen

C: Uria

D: Carbon dioxide

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Ammonia

What is meant by “Equinox”?

A: The shortest day

B: The longest day

C: The sun-month long day

D: Equal duration of day and night

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Equal duration of day and night

Which is the largest organ in the human body?

A: Heart

B: Liver

C: Skin

D: Kidney

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Skin

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