Q:

Ozonolysis of an organic compound gives formaldehyde as one of the products. This confirms the presence of :

A) An acetylenic triple bond	B) Two ethylenic double bonds
C) A vinyl group	D) An isopropyl group

Answer & Explanation Answer: C) A vinyl group

Explanation:

$C =} C H_{2} \overset{O z o n o l y s i s}{\to} H C H O$

Vinylic group.

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Filed Under: Chemistry
Exam Prep: AIEEE

3 5351

Q:

Complete the missing Number Puzzle?

Numberpuzzle21532064729.jpg image

A) 40	B) 52
C) 89	D) 96

Answer & Explanation Answer: D) 96

Explanation:

Here in the given number puzzle, the given numbers follows a pattern that

1 + 4 = 5 => 1 x 4 + 1 = 4 + 1 = 5

2 + 5 = 12 => 2 x 5 + 2 = 10 + 2 = 12

3 + 6 = 21 => 3 x 6 + 3 = 18 + 3 = 21

Similarly,

8 + 11 = 96 => 8 x 11 + 8 = 88 + 8 = 96

Hence, the missing number in the given number puzzle is 96.

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Filed Under: Number Puzzles
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17 5350

Q:

Source of infection in diseases like Tuberculosis, Mumps and Whooping cough is

A) Direct contact	B) Droplets of saliva
C) Carrier organism	D) A vector

Answer & Explanation Answer: B) Droplets of saliva

Explanation:

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Filed Under: Biology

14 5348

Q:

TRAI, the name which we read very often in the newspapers, is a regulatory body associated with which of the following sectors

A) Transport	B) Travel and Tourism
C) Technical Education	D) Telecom

Answer & Explanation Answer: D) Telecom

Explanation:

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Filed Under: Indian Economy

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Q:

"Pellagra" is caused due to the deficiency of

A) Niacin	B) Riboflavin
C) Thiamine	D) Pyridoxine

Answer & Explanation Answer: A) Niacin

Explanation:

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Filed Under: Biology

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Q:

Architectural developments in india manifested themselves in their full glory during the period of

A) Guptas	B) Nandas
C) Mauryas	D) Cholas

Answer & Explanation Answer: A) Guptas

Explanation:

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Filed Under: Indian History

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Q:

The first Buddhist Council was held in which of the following cities

A) Nalanda	B) Gaya
C) Rajgriha	D) Bodh Gaya

Answer & Explanation Answer: C) Rajgriha

Explanation:

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Filed Under: Indian History

2 5345

Q:

Author of Nayaya Sutra was

A) Gautam	B) Kanad
C) Kapil	D) Badrayan

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