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Q:

How is the nitrogen taken up by the plants?

I. In the form of inorganic nitrates or nitrites
II. In the form of organic compounds
III. Directly taken up from the atmosphere

A) Only I and II B) Only I and III
C) Only II and III D) All I, II and III
 
Answer & Explanation Answer: A) Only I and II

Explanation:
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Filed Under: General Science
Exam Prep: Bank Exams

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Q:

Find the missing number in the following puzzle?

 

A) 86 B) 98
C) 104 D) 112
 
Answer & Explanation Answer: B) 98

Explanation:

Here the answer is 98.

 

The logic in the given puzzle:

2+3 = 8
3+7 = (7+2)x3 = 27
4+5 = (5+3)x4 = 32
5+8 = (8+4)x5 = 60
6+7 = (7+5)x6 = 72

Similarly,

7+8 = (8+6)x7 = 98.

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Filed Under: Math Puzzles
Exam Prep: Bank Exams

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Q:

The largest and the oldest museum of India is located in the state/union territory of

A) New Delhi B) West Bengal
C) Uttar Pradesh D) Andhra Pradesh
 
Answer & Explanation Answer: B) West Bengal

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Filed Under: Famous Places

60 17229
Q:

Calculate the power (in W) of an engine if it can perform 120 J of work in 3 seconds.

 

A) 360 B) 80
C) 180 D) 40
 
Answer & Explanation Answer: D) 40

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Filed Under: Physics
Exam Prep: Bank Exams

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Q:

Which musical instrument Ustad Bismillah Khan used to play?

 

A) flute B) Tabla
C) Shehnai D) Sarod
 
Answer & Explanation Answer: C) Shehnai

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Filed Under: General Awareness
Exam Prep: Bank Exams

0 17217
Q:

NH3 oxidation number?

A) -1 B) +1
C) 0 D) -3
 
Answer & Explanation Answer: C) 0

Explanation:

NH3, Ammonia is a neutral compound as the individual oxidation numbers elements that make up the compound NH3 are Nitrogen (N) and Hydrogen (H) sum to zero. 

We do not speak of the oxidation number of a molecule. We can speak of the oxidation numbers of the individual elements that make up the compound.

 

Here the oxidation number of Nirogen is -3 and that of Hydrogen is +1.

Now, NH3 = 1(-3) + 3(+1) = -3 + 3 = 0.

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Filed Under: Chemistry
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30 17217
Q:

Improve the bracketed part of the sentence.

There is a compelling case for privatising the airline and freeing (locked at) funds for education and health.

A) locked of B) locked on
C) locked up D) No improvement
 
Answer & Explanation Answer: C) locked up

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Filed Under: English

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Q:

The absolute value of charge on electron was determined by

A) J.J.Thomson B) R.A. Millikan
C) Rutherford D) Chadwick
 
Answer & Explanation Answer: B) R.A. Millikan

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Filed Under: Chemistry

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