Questions

Q:

In known elements, the maximum number is of

A) Metals B) Non Metals
C) Metalloids D) None of these
 
Answer & Explanation Answer: A) Metals

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Q:

A radioactive substance has a half life of four months, three-fourth of the substance would decay in

A) 3 months B) 4 months
C) 8 months D) 12 months
 
Answer & Explanation Answer: C) 8 months

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Q:

How many molecules are present in one mole of water?

 

A) 6.02 x 1023 molecules B) 6.02 x 1026 molecules
C) 8.02 x 1022 molecules D) 7.02 x 1023 molecules
 
Answer & Explanation Answer: A) 6.02 x 1023 molecules

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Q:

Which of the following plants is not capable of manufacturing own food?

A) Algae B) Mushroom
C) Carrot D) Cabbage
 
Answer & Explanation Answer: B) Mushroom

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Filed Under: General Science

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Q:

Botany is also known as

A) Phytology B) Phycology
C) Pedology D) Plantophyta
 
Answer & Explanation Answer: A) Phytology

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Filed Under: Biology

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Q:

Select the antonym of

loiter

A) lag B) hasten
C) amble D) loll
 
Answer & Explanation Answer: B) hasten

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Filed Under: English
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Q:

Improve the bracketed part of the sentence.

 

The company hopes to eventually provide Singapore with the second-biggest electric car-sharing service in the world, (second to Paris only).

 

A) second only to Paris B) second to only Paris
C) only second to Paris D) No improvement
 
Answer & Explanation Answer: A) second only to Paris

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Q:

The isotopes of chlorine with mass number 35 and 37 exist in the ratio of

A) 1:2 B) 2:3
C) 3:1 D) 3:4
 
Answer & Explanation Answer: C) 3:1

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