Questions

Q:

Which of the following metals does NOT react with cold or hot water?

A) Aluminium B) Potassium
C) Sodium D) Calcium
 
Answer & Explanation Answer: A) Aluminium

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Filed Under: Chemistry
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Q:

Metal oxides which react with acids as well as bases are called

A) Amphoteric oxides B) Neutral oxides
C) Basic oxides D) Acidic oxides
 
Answer & Explanation Answer: A) Amphoteric oxides

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Q:

The short run marginal cost curve is ____ shaped.

A) U B) V
C) X D) W
 
Answer & Explanation Answer: A) U

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Filed Under: Indian Economy
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Q:

Which leukocyte is responsible for antibody production?

A) Monocyte B) T-Cells
C) B Lymphocyte D) Basophil
 
Answer & Explanation Answer: C) B Lymphocyte

Explanation:

Leukocyte, commonly known as a white blood cell (WBC), is a major component in protecting the body against invading microorganisms and body cells with mutated DNA, and they clean up debris. 

B Lymphocyte also called as B-Cells or plasma cells produces the antibodies or immunoglobulins that bind to specific foreign or abnormal components of plasma membranes. This is also referred to as humoral (body fluid) immunity.

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Filed Under: Biology
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Q:

Who among the following is considered as a political guru of Mahatma Gandhi?

A) Dadabhai Naoroji B) Gopal Krishna Gokhale
C) Lala Lajpat Rai D) Bal Gangadhar Tilak
 
Answer & Explanation Answer: B) Gopal Krishna Gokhale

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Q:

Which of these rivers primarily flows in South Africa?

A) Nile River B) Orange River
C) Niger River D) Congo River
 
Answer & Explanation Answer: B) Orange River

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Filed Under: World Geography
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Q:

The hardest natural substance is

A) Graphite B) Diamond
C) Iron D) Copper
 
Answer & Explanation Answer: B) Diamond

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Filed Under: Chemistry
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Q:

If a body is whirled in a circle, then the work done on it ___.

A) is zero B) is positive
C) cannot be determined D) is negative
 
Answer & Explanation Answer: A) is zero

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Filed Under: Physics
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