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Q:

Mitochondrial DNA analysis is best suited for

A) analysis in which only a minute quantity of DNA material is available B) Forensic science analysis
C) analysis requiring greater discriminatory power than STR D) All of the above
 
Answer & Explanation Answer: B) Forensic science analysis

Explanation:

Mitochondrial DNA analysis is best suited for Forensic science analysis.

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Filed Under: Biology
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Q:

The complexity and variety of organic molecules is due to

A) their interaction with water B) their tremendously large sizes
C) the chemical versatility of carbon atoms D) the variety of rare elements in organic molecules
 
Answer & Explanation Answer: C) the chemical versatility of carbon atoms

Explanation:

The complexity and variety of organic molecules is due to the chemical versatility of carbon atoms.

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Filed Under: Chemistry
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Q:

Which of the following is used as non­ stick coating for cooking utensils?

A) Perspex B) Styrofoam
C) Polystyrene D) Teflon
 
Answer & Explanation Answer: D) Teflon

Explanation:
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Filed Under: Chemistry
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Q:

Which of the following is the main benefit of ozone?

A) absorbs ultraviolet radiation from the Sun B) neutralizes the effects of carbon monoxide
C) reduces pollution levels D) filters particulates from the atmosphere
 
Answer & Explanation Answer: A) absorbs ultraviolet radiation from the Sun

Explanation:

In the given options, all are the benfits of ozone. But, the main benefit of ozone is absorbing ultraviolet radiation from the Sun.

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Filed Under: General Science
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Q:

Which gas in the atmosphere is essential for respiration?

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

Explanation:

Inhaling of oxygen and releasing of carbon dioxide to make our living is the process called as respiration. We know that, air is a mixture several gases like 78% of nitrogen, 21% of oxygen and several other gases with watervapour.

 

Hence, Oxygen is essential for respiration process.

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Filed Under: General Science
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Q:

Choose the most appropriate answer:Animals active at night are called

A) Diurnal B) Nocturnal
C) Parasites D) Nacto-diurnal
 
Answer & Explanation Answer: B) Nocturnal

Explanation:

Animals active at night are known as Nocturnal.

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Filed Under: General Science

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Q:

Which Indian economist is the recipient of the "Yaswantrao Chavan National Award 2018"?

A) Raghuram Rajan B) Manmohan SIngh
C) Gita Gopinath D) Urjit Patel
 
Answer & Explanation Answer: A) Raghuram Rajan

Explanation:

Raghuram Rajan, an Indian economist is the recipient of the "Yaswantrao Chavan National Award 2018".

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Filed Under: General Awareness
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Q:

Name the highest peak of Antarctica?

A) Nanda Devi B) Kamet
C) Mount Vinson D) Mount Everest
 
Answer & Explanation Answer: C) Mount Vinson

Explanation:
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Filed Under: World Geography
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