Questions

Q:

Which one of the following is commonly used for pulp bleaching in the paper industry?

A) Mild sulphuric acid B) Glucose isomerase
C) peroxide D) Iodine and water
 
Answer & Explanation Answer: C) peroxide

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Q:

The pH of a solutiion is 3. When its pH changes to 6, then H+ ion concentration

A) increases 2 times B) increases 3 times
C) decreases 1000 times D) decreases 100 times
 
Answer & Explanation Answer: C) decreases 1000 times

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Q:

What is the function of guard cells of stomata?

A) Opening of stomata only B) Closing of stomata only
C) Both opening and closing of stomata D) Neither opening nor closing of stomata
 
Answer & Explanation Answer: C) Both opening and closing of stomata

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Q:

The most abundant element in the earth's atmosphere is

A) Argon B) Nitrogen
C) Oxygen D) Krypton
 
Answer & Explanation Answer: B) Nitrogen

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Q:

What is the chemical formula of Ozone?

A) O B) O2
C) O3 D) O4
 
Answer & Explanation Answer: C) O3

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Q:

Who is the Chief Economic Advisor to the Government of India?

A) Raghu Ram Rajan B) Arvind Subramanian
C) Rajiv Mahirishi D) Arvind Pangariya
 
Answer & Explanation Answer: B) Arvind Subramanian

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Q:

Thomas Cup is associated with which of the following sports?

A) Cricket B) Football
C) Basketball D) Badminton
 
Answer & Explanation Answer: D) Badminton

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Q:

How high is the badminton net at the center?

A) 5 feet B) 5.1 feet
C) 5.5 feet D) 4.8 feet
 
Answer & Explanation Answer: A) 5 feet

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