Questions

Q:

The process of taking up a permanent shape, size and function to form a permanent tissue is called

A) formation B) differentiation
C) unification D) calcification
 
Answer & Explanation Answer: B) differentiation

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Filed Under: Biology
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Q:

Out of the four alternatives, choose the one which can be substituted for the given words/sentences and click the button corresponding to it.

A place where soldiers live

A) Tanks B) Shacks
C) Ordnance Depots D) Barracks
 
Answer & Explanation Answer: D) Barracks

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Q:

Keoladeo National Park is in _______.

A) Karnataka B) Madhya Pradesh
C) Maharashtra D) Rajasthan
 
Answer & Explanation Answer: D) Rajasthan

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Filed Under: Indian Geography
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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.

Consider the following statements:

1) The surface area of the sphere is √5 Times the curved surface area of the cone.

2) The surface area of the cube is equal to the curved surface area of the cylinder. Which of the above statements is/are correct?

 

A) 1 only B) 2 only
C) Both 1 and 2  D) Neither 1 nor 2
 
Answer & Explanation Answer: D) Neither 1 nor 2

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)
 
Thus neither 1 nor 2 are true
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Q:

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.
We feared the enemies attack because they ______________ everything in their path.

A) satiate B) quench
C) remedy D) incinerate
 
Answer & Explanation Answer: D) incinerate

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Q:

In each of the questions, four alternatives are given for the Idiom/Phrase. Choose the alternative which best expresses the meaning of the Idiom/Phrase and click the button corresponding to it.

Leave no stone unturned

A) Try every possible way B) Behave smartly
C) Constructing D) Wasting no time
 
Answer & Explanation Answer: A) Try every possible way

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Q:

Dnyaneshwar was a 13th­century Marathi saint who wrote the Dnyaneshwari, which is a commentary on the _______________.

A) Ramayana B) Bhagavad Gita
C) Vedas D) Upanishads
 
Answer & Explanation Answer: B) Bhagavad Gita

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Filed Under: Indian History
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Q:

A solid sphere of radius 6 cm is melted and re-casted into a hollow cylinder of uniform thickness. If the external radius of the base of the cylinder is 5 cm and its height is 32 cm, find the uniform thickness of the cylinder ?

A) 3 cm B) 1.5 cm
C) 1 cm D) 2.5 cm
 
Answer & Explanation Answer: C) 1 cm

Explanation:

Let, inner radius of cylinder be ‘x’ cm.
4/3 π(6)3 = π × 32 (52 − x2)

or, (4 × 6 × 6 × 6) / (3 × 32) = 25 − x2 or, x2 = 25 − 9
or, x = 4 cm
Hence, thickness = 5 – 4 = 1 cm.

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