Questions

Q:

What temperature does bacteria grow quickest at

A) 40°F and 140°F B) 14°C and 90°C
C) 80°F and 140°F D) None
 
Answer & Explanation Answer: A) 40°F and 140°F

Explanation:

Most bacteria will grow rapidly between 4°C and 60°C (40°F and 140°F).

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Filed Under: Biology
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Q:

___, present in the centre of a flower, forms the female reproductive part.

A) Sepals B) Petals
C) Carpels D) Stamens
 
Answer & Explanation Answer: C) Carpels

Explanation:
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Filed Under: Biology
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Q:

The demand curve facing a perfectly competitive firm is

A) downward sloping B) perfectly inelastic
C) a concave curve D) perfectly elastic
 
Answer & Explanation Answer: D) perfectly elastic

Explanation:
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Filed Under: Indian Economy
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Q:

Who presented the first Union budget of independent India?

A) Morarji Desai B) John Mathai
C) TT Krishnamachari D) RK Shanmukham Chetty
 
Answer & Explanation Answer: D) RK Shanmukham Chetty

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Q:

Which process is not associated with mechanical weathering?

A) reactions with oxygen B) frost wedging
C) biological oxygen activity D) unloading
 
Answer & Explanation Answer: A) reactions with oxygen

Explanation:

The process that occurs when physical forces break rock into smaller pieces without changing the rock's chemical composition is called mechanical weathering.

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Filed Under: Chemistry
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Q:

Anti-defection law was passed in which Constitutional Amendment Act?

A) 41st Constitutional Amendment Act B) 46th Constitutional Amendment Act
C) 48th Constitutional Amendment Act D) 52th Constitutional Amendment Act
 
Answer & Explanation Answer: D) 52th Constitutional Amendment Act

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Filed Under: Indian Politics
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Q:

The following equation is incorrect which two signs should be interchanged to correct the equation

12 - 12 ÷ 25 x 10 + 10 = 25

A) - and + B) ÷ and x
C) x and - D) + and ÷
 
Answer & Explanation Answer: D) + and ÷

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Q:

The acceleration due to gravity at the surface of the earth (mass M and radius R) is proportional to ___.

A) MR B) M/R2
C) M2/R D) M/R
 
Answer & Explanation Answer: B) M/R2

Explanation:
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Filed Under: Physics
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