Q:

Which type of electromagnetic radiation has the shortest wavelength?

A) Gamma rays	B) X-rays
C) Radio waves	D) Infrared rays

Answer & Explanation Answer: A) Gamma rays

Explanation:

The order of wavelengths of electromagnetic spectrum is as follows ::

(Shortest to Longest) - Gamma, X-Rays, UV, Visible, Infrared, Microwaves, Radio Waves.

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Filed Under: Physics
Exam Prep: Bank Exams

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Q:

Kyoto Protocol is associated with

A) Species conservation	B) Climate change
C) Wetland Conservation	D) Medicinal plants

Answer & Explanation Answer: B) Climate change

Explanation:

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Filed Under: Biology
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Q:

Chemical composition of cement is

A) Limestone and Clay	B) Limestone, Clay and Gypsum
C) Limestone and Gypsum	D) Clay and Gypsum

Answer & Explanation Answer: B) Limestone, Clay and Gypsum

Explanation:

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Filed Under: Chemistry
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Q:

Carnotite is an ore/mineral of _____.

A) Beryllium	B) Chromium
C) Uranium	D) Copper

Answer & Explanation Answer: C) Uranium

Explanation:

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Filed Under: Chemistry
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Q:

The depletion in Ozone layer is caused by ___________ .

A) Nitrous oxide	B) Carbon dioxide
C) Chlorofluorocarbons	D) Methane

Answer & Explanation Answer: C) Chlorofluorocarbons

Explanation:

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Filed Under: Chemistry

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Q:

The chemical properties of an element depend upon

A) the number of isotopes of the element	B) the mass number of the element
C) the total number of neutrons in the element	D) the number of electrons in the outermost shell of the element

Answer & Explanation Answer: D) the number of electrons in the outermost shell of the element

Explanation:

Chemical properties of an element depend on the number and the configuration of their (valence) electrons.

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Filed Under: Chemistry
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Q:

Find the similarity among the following: Makar Sankranthi, Pongal, Lohri, Baisakhi

A) All are festivals of North India	B) All are names of harvest festivals
C) All are festivals celebrated in the month of January	D) There is no similarity at all

Answer & Explanation Answer: B) All are names of harvest festivals

Explanation:

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Filed Under: Indian Economy

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Q:

Insects that transmit diseases are known as

A) Pathogens	B) Vectors
C) Drones	D) Scalars

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