Bank PO Questions


Q:

What name is given to the bond between water molecules?

A) Polar B) Polar covalent
C) Hydrogen D) None of the above
 
Answer & Explanation Answer: C) Hydrogen

Explanation:

The name given to the bond between water molecules is a hydrogen bond. These bonds occur between the slightly negative oxygen of one water molecule and the slightly positive hydrogen of another water molecule. Hydrogen bonding gives water special physical properties.

 

The differences in electronegativity between hydrogen and oxygen lead to an unequal sharing of electrons. Electronegativity measures how strongly an atom attracts electrons. Oxygen, with its higher electronegativity, pulls on the shared electrons more, giving the oxygen atom a partial net negative charge. The shared electrons spend less time with the hydrogen atoms; therefore, the hydrogen regions of water have partial positive charges.

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Filed Under: Chemistry
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Q:

Who has launched a survey on the NaMo App, asking people to rate the performance of the government at the Centre and MPs and MLAs in their constituencies recently?

A) Home Minister Rajnath Singh B) HRD Minister Prakash Javadekar
C) Finance Minister Piyush Goyal D) Prime Minister Narendra Modi
 
Answer & Explanation Answer: D) Prime Minister Narendra Modi

Explanation:

Prime Minister Narendra Modi has launched a survey on the NaMo App, asking people to rate the performance of the government at the Centre and MPs and MLAs in their constituencies. He launched the initiative, to mark the completion of four years of the NDA government, which came to power at the Centre in 2014.

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Q:

0 divided by 0

A) 0 B) 1
C) Undefined D) Indeterminate
 
Answer & Explanation Answer: D) Indeterminate

Explanation:

Indeterminate are those,which mathematics can’t determine.

Because we don’t actually know which one is the exact answer for this due to having lots of results for this.

Explanation::

      • Let us think by this analogy that,

0 / 1 = 0

0 / 2 = 0

…………

………..

we can say 0 / n = 0 from this we can write, 0/0 = 0

      • Again, another analogy,(from limiting concept of 1/0 = infinity)

1 / 0 = + or -

2 /0 = + or -

………

.…….

we can say 0 / 0 = 

      • Again, another analogy,

1 / 1 = 1

2/2 = 1

.……..

………..

we can say, 0/0 = 1

Now, you see it’s confusing. Every analog is mathematically correct then which one is the right answer for 0/0.  Therefore Mathematics can’t determine this fact.

So, 0/0 is indeterminate.

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Filed Under: Arithmetical Reasoning
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Q:

India has successfully test-fired the BrahMos supersonic cruise missile from Indian Air Force ___________ fighter aircraft for the first time.

A) Sukhoi-29 MKI B) Sukhoi-32 MKI
C) Sukhoi-31 MKI D) Sukhoi-30 MKI
 
Answer & Explanation Answer: D) Sukhoi-30 MKI

Explanation:

Brahmos, the world’s fastest supersonic cruise missile created history on today after it was successfully flight- tested for the first time from the IAF’s frontline fighter aircraft Sukhoi-30MKI against a sea-based target in the Bay of Bengal.


The armed forces are now capable of launching the Brahmos, which has a strike range of around 290 km and is described as the world’s fastest supersonic cruise missile, from land, sea and air, completing the tactical cruise missile triad for the country.

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Q:

The primary colors are-

A) Yellow, red, blue B) Green, white, black
C) Blue, green, yellow D) Red, blue, green
 
Answer & Explanation Answer: D) Red, blue, green

Explanation:

The Primary Colours are Blue, Red and Green. By mixing all these three primary colours we get White colour. 

The Secondary Colours are - Yellow, Magenta and Cyan.

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Q:

[15% of 300% of 560] × 2 ÷ 5 =

A) 100 B) 90
C) 85 D) 105
 
Answer & Explanation Answer: A) 100

Explanation:

[15% of 300% of 560] × 2 ÷ 5

= (15 x 300 x 560 x 2)/100 x 100 x 5

~= 100 

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Filed Under: Simplification
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Q:

The gap between two communicating neurons is termed

A) Schwann cell B) Effector
C) Synaptic cleft D) Cell body
 
Answer & Explanation Answer: C) Synaptic cleft

Explanation:

A neuron or nerve cell is a cell that carries electrical impulses. Neurons are the basic units of the nervous system and its most important part is the brain. Every neuron is made of a cell body (also called a soma), dendrites and an axon. Dendrites and axons are nerve fibres.

 

The gap between two communicating neurons is termed Synaptic cleft.

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Filed Under: Biology
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Q:

What structure separates the colon from the small intestine?

what_structure_separates_the_colon_from_the_small_intestine1539329010.jpg image

A) ileocecal valve B) Epiglottis
C) Sphincter D) None of the above
 
Answer & Explanation Answer: A) ileocecal valve

Explanation:
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Filed Under: Biology
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