Q:

Out of all known elements, the minimum number is of ______.

A) Metals	B) Non-metals
C) Metalloids	D) No option is correct

Answer & Explanation Answer: C) Metalloids

Explanation:

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Q:

Which team Won the 2017 Santosh Trophy, the final of which was held in Bambolim, Goa.

A) Services	B) Kerala
C) West Bengal	D) Goa

Answer & Explanation Answer: C) West Bengal

Explanation:

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Q:

The human heart is

A) Neurogenic heart	B) Myogenic heart
C) Pulsating heart	D) Ampullary heart

Answer & Explanation Answer: B) Myogenic heart

Explanation:

Hearts are of several types. In some invertebrates the heart is simulated by the nervous system to do its work. Such hearts are called Neurogenic hearts. The Human heart is myogenic. i.e, it recieves the stimuli for contraction from the muscular node called sinu-auricular node or pace maker.

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807 41624

Q:

Consider the following constituent gases of the atmosphere :

1. Argon

2. Neon

3. Helium

4.Ceirbon dioxide

Which one of the following is the correct ascending sequence of the above gases in terms of the volume percentage?

A) 1-3-2-4	B) 1-4-2-3
C) 4-2-3-1	D) 2-4-1-3

Answer & Explanation Answer: B) 1-4-2-3

Explanation:

Composition of Dry Air (Substance, % by volume)

Nitrogen, N2 78.08

Oxygen, O2

20.95

Argon, Ar 0.93

Carbon dioxide, CO2 0.033

Neon, Ne 0.0018

Helium, He 0.00052

Methane, CH4 0.0002

Krypton, Kr 0.00011

Dinitrogen oxide, N2O 0.00005

Hydrogen, H2 0.00005

Ozone, O3 0.000001

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Q:

Statement I :

A person may suffer from tuberculosis if she/he frequently visits crowded place.

Statement II :

Bacteria of tuberculosis spread through droplets by sneezing or coughing.

A) Both the statements are individually true and Statement II is the correct explanation of Statement I	B) Both the statements are individually true but Statement II is not the correct explanation of Statement I
C) Statement I is true but Statement II is false	D) Statement I is false but Statement II is true

Answer & Explanation Answer: D) Statement I is false but Statement II is true

Explanation:

Tuberculosis (TB) is caused by a type of bacterium called Mycobacterium tuberculosis.

It's spread when a person with active TB disease in their lungs coughs or sneezes and someone else inhales the expelled droplets, which contain TB bacteria.

One would have to spend prolonged periods (several hours) in close contact with an infected person to catch the infection yourself.For example, TB infections usually spread between family members who live in the same house. It would be highly unlikely for you to become infected by sitting next to an infected person on a bus or train. Hence, statement 1 is incorrect.

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Q:

In which city is India's oldest European church?

A) Cochin	B) Goa
C) Chennai	D) Kolkata

Answer & Explanation Answer: A) Cochin

Explanation:

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Q:

Which of the statements given below are correct?

A) Rafael Nadal won the Tennis 2017 Wimbledon Championships Men's Singles.

B) Aryan Tari won the 2017 World Junior Chess Championship.

C) Viktor Axelsen won the Men's Singles Badminton 2017 BWF World Championships.

A) Only A	B) Only B
C) Both B and C	D) None of these

Answer & Explanation Answer: C) Both B and C

Explanation:

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Q:

Which of the following statements are CORRECT?

I. Esters are sweet smelling substance.
II Esters are used in making perfumes.
III. Functional group of ester is R-O-RꞋ.

A) Only I and II	B) Only I and III
C) Only II and III	D) All I, II and III

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