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Q:

A cup of hot coffee is placed on a metal table in a room. By which of the following methods does it lose heat?

A) conduction and convection only B) conduction and radiation only
C) convection and radiation only D) conduction, convection and radiation
 
Answer & Explanation Answer: D) conduction, convection and radiation

Explanation:

Part of the heat is conducted away by the metal table. Convection currents in air near the surface of the coffee are set up which accounts for some heat loss. Heat is also lost by radiation from the hot coffee to the surroundings. Most of the heat is lost by the last method.

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Filed Under: Physics

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Q:

The rate of heartbeat is accelerated by the harmone

A) adrenaline B) acetylcholine
C) thyroxine D) pituitrin
 
Answer & Explanation Answer: A) adrenaline

Explanation:

The hormone adrenaline also called epinephrine is known as a stress harmone. In emotional upset (like fear, anger etc.) this harmone is poured into the blood and it accelerates heart beat. The hormone acetylcholine decelerates heartbeat rate.

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Filed Under: Biology

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Q:

Pick out the only vector quantity

A) pressure B) impulse
C) gravitational potential D) co-efficient of friction
 
Answer & Explanation Answer: B) impulse

Explanation:
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Filed Under: Physics

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Q:

Which is the Largest Organ in the Human Body?

A) Heart B) Brain
C) Skin D) Liver
 
Answer & Explanation Answer: C) Skin

Explanation:

There are about 70 organs in the human body. The Top 10 largest organs in the human body based on size are:

1. Skin

2. Liver

3. Brain

4. Lungs

5. Heart

6. Kidneys

7. The Spleen

8. The Pancreas

9. Thyroxin

10. The Prostrate.

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Filed Under: Biology
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Q:

Antonym of Sober?

A) not affected by alcohol B) Sensible
C) Serious D) emotional
 
Answer & Explanation Answer: D) emotional

Explanation:

Sober means not afected by alcohol, clear headed, very serious, sensible,...

 

Antonyms of Sober are :: light hearted, frivolous, sensational, emotional,...

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Filed Under: English
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Q:

A definition of formal poetry is verse that

A) is written in blank verse. B) sticks to certain traditional patterns.
C) uses figurative language. D) has no rhyme scheme.
 
Answer & Explanation Answer: B) sticks to certain traditional patterns.

Explanation:
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Filed Under: English
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Q:

Dr. Rabindranth Tagore received the Nobel Prize for his work

A) Evening Songs B) Morning Songs
C) Gitanjali D) Gora
 
Answer & Explanation Answer: C) Gitanjali

Explanation:
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Filed Under: Honours and Awards

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Q:

Very pleasing to eat

A) Palatable B) Tantalising
C) Sumptuous D) Appetising
 
Answer & Explanation Answer: A) Palatable

Explanation:

The one word substitute for Very pleasing to eat is  Palatable. It means of food or drink that is very tasty, appetizing or pleasant to eat or drink.

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Filed Under: English
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