Questions

Q:

In the biosphere living beings are inter-related and interdependent on each other for survival. This life supporting system is known as the __________.

A) Ecosystem B) Mountain range
C) Forest D) Atmosphere
 
Answer & Explanation Answer: A) Ecosystem

Explanation:
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Q:

The only bird which can fly backward is

A) Parrot B) Albatross
C) Penguin D) Humming
 
Answer & Explanation Answer: D) Humming

Explanation:

Humming bird is the smallest bird and the only bird which can fly in backwards in the world.

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Q:

In what way is geography an integrative science?

A) Geography is an integrative science because it borrows from physical sciences such as chemistry, biology, meterology, and geology B) Geography is an integrative science because it borrows from human science such as cultural studies , economics , and public policy
C) Geography is an integrative science because it examines Earth in both physical and human terms D) All of the above
 
Answer & Explanation Answer: C) Geography is an integrative science because it examines Earth in both physical and human terms

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Q:

Which of the following is not a strong acid?

A) H2SO4 B) CH3COOH
C) HCl D) HBr
 
Answer & Explanation Answer: B) CH3COOH

Explanation:

CH3COOH, chemically known as Acetic acid, is not a strong acid among the given acids like Sulphuric acid, Hydrochloric acid,...

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Q:

Butter is colloid formed when

A) Proteins are dispersed in water B) Water is dispersed in fat
C) Fat globules are dispersed in water D) Carbohydrates are dissolved in water
 
Answer & Explanation Answer: C) Fat globules are dispersed in water

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Q:

Which one of the following has a bilateral symmetry in its body organization?

A) Asterias B) Sea anemone
C) Nereis D) Euchinus
 
Answer & Explanation Answer: A) Asterias

Explanation:

Asterias has bilateral symmetry only at larval stagebut fivefold symmetry (pentamerism, a special type of radial symmetry) as adults.

Nereis do not possess any symmetry elements in their body organisation.

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Q:

Which among the following temperature scale is based upon absolute zero?

A) Rankine B) Celsius
C) Fahrenheit D) Kelvin
 
Answer & Explanation Answer: D) Kelvin

Explanation:

Kelvin temperature scale is the temperature scale that is based upon absolute zero.

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Q:

Vertebrates and tunicates share 

A) a notochord and a dorsal, hollow nerve cord. B) the formation of structures from the neural crest.
C) jaws adapted for feeding. D) an endoskeleton that includes a skull.
 
Answer & Explanation Answer: A) a notochord and a dorsal, hollow nerve cord.

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