Questions

Q:

If the ___________ firm has zero costs or only has fixed cost, the quantity supplied in equilibrium is given by the point where the marginal revenue is zero.

A) Perfect Competition B) Monopoly
C) Oligopoly D) Monopolistic Competition
 
Answer & Explanation Answer: B) Monopoly

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Filed Under: Indian Economy
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Q:

Which  one  of  the  following  is  the  correct sequence  of  occurrences  of  rivers  from Chennai to Kolkata when travelled by road (shortest distance)?

A) Krishna,  Kaveri,  Godavari,  Mahanadi, Subarnarekha B) Krishna,  Periyar,  Godavari,  Mahanadi, Subarnarekha
C) Penneru,Krishna, Godavari, Mahanadi, Subarnarekha D) Penneru,    Mahanadi,    Subarnarekha, Godavari, Krishna
 
Answer & Explanation Answer: C) Penneru,Krishna, Godavari, Mahanadi, Subarnarekha

Explanation:

From south to northeast. Penneru-Andhra Pradesh, Krishna-Karnataka, Godavari-Maharashtra, Mahanadi-Odisha,  Subarnarekha-Jharkhand.

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Filed Under: Indian Geography
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Q:

The pH of a solutiion is 3. When its pH changes to 6, then H+ ion concentration

A) increases 2 times B) increases 3 times
C) decreases 1000 times D) decreases 100 times
 
Answer & Explanation Answer: C) decreases 1000 times

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Filed Under: Chemistry
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Q:

Which of the following gases are responsible for the greenhouse gas effect on Earth?

A) Water Vapour and Carbon dioxide B) Carbon dioxide and Nitrogen
C) Oxygen and Methane D) Ozone and Methane
 
Answer & Explanation Answer: A) Water Vapour and Carbon dioxide

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Q:

Which of the following is also known as the Biochemical Laboratory of the Human Body?

A) Small Intestine B) Brain
C) Pancreas D) Liver
 
Answer & Explanation Answer: D) Liver

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Filed Under: Biology
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Q:

Which organisms can help to carry out Vermicomposting?

A) Nitrifying Bacteria B) Earthworms
C) Algae D) Fungus
 
Answer & Explanation Answer: B) Earthworms

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Q:

Which of the following carries blood away from the heart to different body parts?

A) Arteries B) Nerves
C) Capillaries D) Veins
 
Answer & Explanation Answer: A) Arteries

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Filed Under: Biology
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Q:

Evaporation of water from leaves of a plant is called

A) Transpiration B) Respiration
C) Perspiration D) Evaporation
 
Answer & Explanation Answer: A) Transpiration

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Filed Under: Biology
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