4000+ Latest Bank Exams Questions and Answers with Explanation

Q:

Why do the desert plants take up the carbon dioxide for photosynthesis at night?

A) To prevent water loss	B) To enhance carbon absorption
C) To release excess oxygen	D) No option is correct

Answer & Explanation Answer: A) To prevent water loss

Explanation:

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Filed Under: Biology
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Q:

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error,select 'No Error'.

Liquid water cannot exist on the surface of Mars as to low (1)/ atmospheric pressure, which is less than 1% of Earth's, (2)/ except at the lowest elevations for short periods. (3)/ No error (4).

A) 1	B) 2
C) 3	D) 4

Answer & Explanation Answer: A) 1

Explanation:

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Filed Under: English
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Q:

The outermost layer of the earth's atmosphere is _______.

A) stratosphere	B) troposphere
C) mesosphere	D) exosphere

Answer & Explanation Answer: D) exosphere

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Filed Under: General Science
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Q:

When is International Olympic Day observed?

A) 16th August	B) 2nd February
C) 18th December	D) 23rd June

Answer & Explanation Answer: D) 23rd June

Explanation:

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Filed Under: Important Days and Years
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Q:

Find the volume (in cm3) of a cube of side 7.5 cm.

A) 421.875	B) 77.145
C) 39.245	D) 24.435

Answer & Explanation Answer: A) 421.875

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Filed Under: Volume and Surface Area
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Q:

A cube is inscribed in a sphere. A right circular cylinder is within the cube touching all the vertical faces. A right circular once is inside the cylinder. Their heights are same and the diameter of the cone is equal to that of the cylinder.

What is the ratio of the volume of the sphere to that of cone?

A) 6√3:1	B) 7 : 2
C) 3√3:1	D) 5√3:1

Answer & Explanation Answer: A) 6√3:1

Explanation:

The top view of the given assembly will look like the figure above

Outermost is the sphere. Inside that there is a cube and within that there is a cone and cylinder with same radius.

Here side of cube = a

Diameter of Sphere = body diagnol = √3 a

Radius of sphere = √3 a/2 =r1

Height of Cylinder = Height of cone = side of cube = a =h

Radius of cylinder = Radius of cone = side of cube/2 = a/2 =r2(as shown in the figure)

Volume of sphere/volume of cone =

\frac{\frac{4}{3} {πr}_{1}^{3}}{\frac{1}{3} {πr}_{2}^{2} h}

= 6√3:1

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Filed Under: Volume and Surface Area
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Q:

The ratio of present ages of Ratnabali and Shaukat is 8:5. After 22 years the ratio of their ages will be 10:9. At present, what is Ratnabali's age?

A) 5	B) 14
C) 81	D) 8

Answer & Explanation Answer: D) 8

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Filed Under: Problems on Ages
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Q:

Which drug is used as an Anti-Anxiety drug?

A) Warfarin	B) Diazepam
C) Latanoprost	D) Hydralazine

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