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Q:

Which one of the following statements is correct?

A) The oxidation number for hydrogen is always zero. B) The oxidation number for hydrogen is always + 1.
C) The oxidation number for hydrogen is always -1. D) Hydrogen can have more than one oxidation number.
 
Answer & Explanation Answer: D) Hydrogen can have more than one oxidation number.

Explanation:

Hydrogen has two possible oxidation numbers: +1 and -1.

-1 in case of hydrides.

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Filed Under: Chemistry
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Q:

______ is a thyroid hormone which controls the balance of calcium in the body.

A) Calcitonin B) Thyroxine
C) Calmodulin D) all of these
 
Answer & Explanation Answer: A) Calcitonin

Explanation:

Calcitonin is 32-amino acid linear polypeptide hormone that is produced in humans primarily by the parafollicular cells of the thyroid, and in many other animals in the ultimopharyngeal body. It acts to reduce blood calcium, opposing the effects of parathyroid hormone.

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Filed Under: Biology
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Q:

Which disease is caused due to deficiency of Iodine?

A) Rickets B) Scurvy
C) Goitre D) Growth retardation
 
Answer & Explanation Answer: C) Goitre

Explanation:
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Filed Under: Biology
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Q:

Blood group AB has

A) No antigen B) No antibody
C) Neither antigen nor antibody D) Both antigen and antibody
 
Answer & Explanation Answer: B) No antibody

Explanation:
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Filed Under: Biology
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Q:

Who among the following has been awarded the Dronacharya Award for the year 2017?

A) Bhupender Singh B) Devendra Nath
C) Syed Shahid Hakim D) Roshan Lal
 
Answer & Explanation Answer: D) Roshan Lal

Explanation:
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Filed Under: Honours and Awards
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Q:

Who discovered electron?

A) E. Goldstien B) J. J. Thomson
C) Ernest Rutherford D) J. Chadwick
 
Answer & Explanation Answer: B) J. J. Thomson

Explanation:
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Filed Under: Inventions
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Q:

What is the minimum age for getting elected to the Lok Sabha?

A) 18 B) 21
C) 16 D) 25
 
Answer & Explanation Answer: D) 25

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Filed Under: Indian Politics
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Q:

Which one is not the key objective of the Jan Aushadhi Campaign?

A) Make quality the hallmark of medicine availability B) Redefine the unit cost of treatment per person
C) Develop a model which can be replicated only in India D) To be adopted by the Private Sector also
 
Answer & Explanation Answer: C) Develop a model which can be replicated only in India

Explanation:
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Filed Under: Indian Politics
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