Questions

Q:

How many birthdays does the average person have?

Answer

Any person can have only 1 birthday i.e, the day he was born. And every year we celebrate it's anniversaries.

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Q:

What causes brownian motion in colloids?

A) coagulation of particles and the dispersed phase B) erratic flashes of light
C) molecules of the dispersion medium colliding with dispersed phase particles D) All the above
 
Answer & Explanation Answer: C) molecules of the dispersion medium colliding with dispersed phase particles

Explanation:

When their is a colloid in the solution, then it will show the Brownian movement, such as dust particle in the air will show the Brownian movement.

 

Hence, Brownian movement arises due to the impact of the molecules of the dispersion medium with the colloidal particles. It has been postulated that the impact of the molecules of dispersion medium on the colloidal particles are unequal.

 

This leads to the zig-zag (random) motion of the colloidal particles.

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Filed Under: Physics
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Q:

The Narmada river originates in _______

A) Vindhyan Range B) Maikal Range
C) Satpura Range D) Mahadeo Range
 
Answer & Explanation Answer: B) Maikal Range

Explanation:

It rises on the Amarkantak plateau in the in the Maikal Range from a spring at a height of 1060m

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Filed Under: Indian Geography

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Q:

Which district in Andra Pradesh won the MGNREGA annual award for effective implementation of the Mahatma Gandhi National Rural Employment Guarantee Act ?

A) Vizianagaram B) Vizag
C) Guntur D) Srikakulam
 
Answer & Explanation Answer: A) Vizianagaram

Explanation:

The Ministry of Rural Development has selected Vizianagaram as one among the 17 districts across the nation for the MGNREGA annual award for effective implementation of the Mahatma Gandhi National Rural Employment Guarantee Act during 2015-16. The award would be presented at the Mahatma Gandhi NREGA Sammelan to the district programme coordinator and District Collector on June 19, 2017 in New Delhi.

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Filed Under: Honours and Awards
Exam Prep: Bank Exams , CAT
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Q:

Blue litmus paper is converted into red in solution of _______

A) Acid B) Base
C) Alkali D) Salt
 
Answer & Explanation Answer: A) Acid

Explanation:
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Filed Under: Chemistry

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Q:

Who is known as Punjab Kesari?

A) Bhagat Singh B) Dada Saheb Phalke
C) Lala Lajpat Rai D) Bal Gangadhar Tilak
 
Answer & Explanation Answer: C) Lala Lajpat Rai

Explanation:

Lala Lajpat Rai is known as Punjab Kesari.

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Filed Under: General Awareness
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Q:

Why is Golden Rice pale yellow in color?

A) Rich in Beta-Carotene B) Rich in Phycobilins
C) Rich in Chlorophyll D) None
 
Answer & Explanation Answer: A) Rich in Beta-Carotene

Explanation:

Golden Rice (Oryza sativa) denotes a genetically modified rice capable of biosynthesizing and accumulating β-carotene (provitamin A) in the endosperm, yielding a characteristic yellow color in the polished grains. Golden rice was developed to help cope with vitamin A deficiency, a problem that prevails in developing countries, affecting millions (Underwood, 2000; UNICEF, 2000). Vitamin A deficiency causes mortality and growth retardation in children and frequently impairs vision, leading to blindness. It also contributes indirectly to anemia by interfering with iron bioavailability.

 

The endosperm of Golden Rice (Oryza sativa) is yellow due to the accumulation of β-carotene (provitamin A) and xanthophylls. The product of the two carotenoid biosynthesis transgenes used in Golden Rice results in Pale Yellow color.

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Filed Under: General Science
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Q:

Cutaneous respiration occurs in

A) Cockroach B) Salamander
C) Crab D) Parrot
 
Answer & Explanation Answer: B) Salamander

Explanation:
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Filed Under: Biology

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