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Q:

What happens to air when it is heated?

Answer

When heated any substance, the molecules move apart from each other. Alike in the air the molecules move apart from each other. We know that the warm air is lighter than the cool air. Since after heating air gets warmer, it floats up and the cool air comes down to occupy the warm air place.

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Q:

Which gas in the atmosphere is essential for respiration?

A) Argon B) Carbon dioxide
C) Oxygen D) Nitrogen
 
Answer & Explanation Answer: C) Oxygen

Explanation:

Inhaling of oxygen and releasing of carbon dioxide to make our living is the process called as respiration. We know that, air is a mixture several gases like 78% of nitrogen, 21% of oxygen and several other gases with watervapour.

 

Hence, Oxygen is essential for respiration process.

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Filed Under: General Science
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Q:

Choose the correctly spelt word:-

A) Gragarious B) Gragerious
C) Gregarious D) Grigareous
 
Answer & Explanation Answer: C) Gregarious

Explanation:

Gregarious is spelt correctly which means sociable.

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Filed Under: English
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Q:

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best expresses the same sentence in Indirect/Direct speech.
The agent said, "This is the best house on this street."

A) The agent said this that was the best house on that street. B) The agent said that that was the best house on that street.
C) The agent said that that is the best house on that street. D) The agent said this that is the best house on that street.
 
Answer & Explanation Answer: B) The agent said that that was the best house on that street.

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

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Q:

The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph.
P: For one, very few entrepreneurs are willing to take on a new outsource, unless it comes with a guarantee of a certain level of sales.
Q: This invariably acts as an incentive for outsources to be lax in developing the business.
R: Despite being the dominant partner in the relationship, the outsourcer doesn't always have all the advantages.
S: The trade refers to it as the minimum guarantee clause, which means that if a outsourcee is unable to reach an anticipated sales level, he will be compensated for
the balance amount.

A) PRQS B) SPQR
C) QSPR D) RPSQ
 
Answer & Explanation Answer: D) RPSQ

Explanation:
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Filed Under: English
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Q:

Which is a homologous chromosome pair?

A) Tetrad B) Gamate
C) Chromatid D) Zygote
 
Answer & Explanation Answer: A) Tetrad

Explanation:

Tetrad is a homologous chromosome pair in the given options. A homologous chromosome pair is a pair of chromosomes one from father and one from mother that has same gene sequence after the process of meiosis.

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Filed Under: Biology
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Q:

The goals of psychology are to

A) describe the behavior B) control the behavior
C) predict the behavior D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

The main goals of psychology are four. They are::

 

1. To describe,

2. To explain,

3. To predict (and)

4. To control the behavior and mental processes of others.

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Q:

Thermohaline circulation is mainly due to

A) cold, dense ocean water sinking and warmer water replacing it B) winds causing circulation of ocean water
C) warmer, less dense water sinking in the ocean and cold water replacing it D) warm water being added to the ocean due to industial waste
 
Answer & Explanation Answer: A) cold, dense ocean water sinking and warmer water replacing it

Explanation:
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Filed Under: Physics
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