Bank PO Questions


Q:

Soil erosion can be prevented by

A) Removal of vegetation B) Overgrazing
C) Afforestation D) Increasing bird population
 
Answer & Explanation Answer: C) Afforestation

Explanation:

The four most common soil erosion prevention methods are vegetation, geotextiles, mulch, and retaining walls.

By planting grass in areas of concentrated water flow, farmers can prevent much of the soil erosion that results from runoff, as the grass stabilizes the soil while still providing an outlet for drainage.

Preventing soil erosion is critical in protecting your property and exposed soil, whether from wind, weather, running water, and even the after-effects of the forest fire.

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Filed Under: General Science
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Q:

What state of matter is Jello?

A) Liquid B) Solid
C) Colloid D) Gas
 
Answer & Explanation Answer: C) Colloid

Explanation:

Jello is a colloid, a semi-rigid structure i.e, semi-solid suspended in a liquid. When you Heat it up a bit and you'll break the protein bonds of the gelatin and it will liquefy completely and if you freeze, it becomes solid.

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Filed Under: Chemistry
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Q:

Which of the following is not a pure substance?

A) Oxygen B) Carbon dioxide
C) Water D) Milk
 
Answer & Explanation Answer: D) Milk

Explanation:

Milk is not a pure substance since it has so many constituents that can be separated physically.

Compounds are pure substances formed from elements unlike mixtures.

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Filed Under: Chemistry
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Q:

The sciatic nerve is a combination of which two nerves?

A) common fibular and tibial B) pudendal and posterior femoral cutaneous
C) posterior femoral cutaneous and tibial D) pudendal and common fibular
 
Answer & Explanation Answer: A) common fibular and tibial

Explanation:

The sciatic nerve is a combination of common fibular and tibial. 

 

The sciatic nerve divides into its two branches::

1. The tibial nerve

2. The common fibular nerve

at the popliteal fossa.

 

The tibial nerve, which travels down the posterior compartment of the leg into the foot.

The common peroneal nerve also called the common fibular nerve, which travels down the anterior and lateral compartments of the leg into the foot.

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Filed Under: Biology
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Q:

What type of lens is a magnifying glass?

A) Diverging B) Spherical
C) Converging D) Achromatic
 
Answer & Explanation Answer: C) Converging

Explanation:

A magnifying glass is a convex lens that is used to produce a magnified image of an object. It is also called a hand lens in laboratory contexts.

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Filed Under: Physics
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Q:

Solve this inequality 3p - 16 < 20?

A) p >= 12 B) p <= 11/3
C) p < 12 D) p > 11/3
 
Answer & Explanation Answer: C) p < 12

Explanation:

The given inequality is 3p - 16 < 20

For solving this inequality, follow these steps

Now add 16 on both sides

we get 3p - 16 + 16 < 20 + 16

=> 3p  < 36

Now divide the above eqn with 3 on both sides

we get, 3p/3 < 36/3

p < 12.

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Filed Under: Simplification
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Q:

What gets bigger the more you take away?

Answer

A Hole gets bigger and bigger as you take more away from it.

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Q:

Where are Maglev trains used?

A) London B) Russia
C) Germany D) Japan
 
Answer & Explanation Answer: D) Japan

Explanation:

Maglev trains are used in Japan, South Korea and China only.

Maglev derived from magnetic levitation using the principle of magnetic repulsion is a system of train transportation that uses two sets of magnets, one set to repel and push the train up off the track as in levitation then another set to move the 'floating train' ahead at great speed taking advantage of no friction. Maglev trains are therefore quieter and smoother than conventional trains, and have the potential for much higher speeds

Despite over a century of research and development, maglev transport systems are in operation in just three countries Japan, South Korea and China.

 

Hence Maglev -- Magnetic-levitation.

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