Bank PO Questions


Q:

When backed by buying, power wants become

A) demands B) physical needs
C) exchanges D) social needs
 
Answer & Explanation Answer: A) demands

Explanation:

When backed by buying, power wants become demands. 

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Q:

Which equation is an example of a synthesis reaction?

A) 2H2 + O2 → 2H2O B) Na + Cl → NaCl
C) HA + BOH → H2O + BA D) NaCl + AgNO3 → NaNO3 + AgCl
 
Answer & Explanation Answer: B) Na + Cl → NaCl

Explanation:

When two or more chemical species combine to form a single product, the reaction is said to be synthesis reaction. It is also called as Direct Combination reaction.

 

Here in the given options, Sodium (Na) combines with Chlorine (Cl) to form a more complex single product Sodium Chloride (NaCl).

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Filed Under: Chemistry
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Q:

Rs.7750 is divided among X, Y and Z such that 3 times of X's share is equal to 5 times of Y's share which is equal to 2 times of Z's share. What is the share (in Rs) of Z?

A) 4250 B) 3750
C) 3875 D) 4475
 
Answer & Explanation Answer: B) 3750

Explanation:
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Q:

Who had announced that democracy is a government " of the people, by the people and for the people " ?

A) Abraham Lincoln B) George Washignton
C) Theodore Roosevelt D) Winston Churchill
 
Answer & Explanation Answer: A) Abraham Lincoln

Explanation:
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Q:

When a barometer is rising air pressure is

A) increasing B) decreasing
C) constant D) zero
 
Answer & Explanation Answer: A) increasing

Explanation:

The device which is used to measure air pressure is called as barometer. If the barometer reading is rising, it indicates that the air pressure is increasing and if the reading is falling the air pressure is decreaing.

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Filed Under: Physics
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Q:

Produces a usable form of energy for the cell

A) Lysosomes B) Vacuoles
C) Mitochondria D) Ribosomes
 
Answer & Explanation Answer: C) Mitochondria

Explanation:

We all know that, Mitochondria is the powerhouse of the cell. In both Plants and animals, it produces a usable form of energy.

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Filed Under: Biology
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Q:

Which one of the following is a search engine?

A) Bing B) Reddit
C) Pinterest D) Twitter
 
Answer & Explanation Answer: A) Bing

Explanation:
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Q:

Magnetism in materials is due to

A) Displacement of electrons B) Circular motion of electrons
C) Charges of neutrons D) All of the above
 
Answer & Explanation Answer: B) Circular motion of electrons

Explanation:

Magnetism in materials is due to circular motion of electrons.

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