Questions

Q:

Which of the following is not true of graded potentials?

A) They can form on receptor endings B) They increase amplitude as they move away from the stimulus point
C) They are short-lived D) They can be called postsynaptic potentials
 
Answer & Explanation Answer: B) They increase amplitude as they move away from the stimulus point

Explanation:

Graded potentials are changes in membrane potential that vary in size, as opposed to being all-or-none.

 

In the given options, They increase amplitude as they move away from the stimulus point is not true about the graded potentials.

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Q:

A Sonar of a ship sends sounds waves of speed 1000 m/s. These waves are reflected back by the ocean floor in 2 seconds. Find the depth (in m) of theocean floor. 

A) 2000 B) 500
C) 1000 D) 100
 
Answer & Explanation Answer: C) 1000

Explanation:
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Q:

The area under a Velocity-Time graph represents ______________.

A) distance B) acceleration
C) force D) momentum
 
Answer & Explanation Answer: A) distance

Explanation:
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Q:

According to the 2016 Jane's Defence Budgets Report,India's position among the global defence spender is _____________.

A) Fourth B) Third
C) Ninth D) Fifth
 
Answer & Explanation Answer: A) Fourth

Explanation:
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Q:

Who is called as 'Father of Modern Computer'?

A) Alexander Fleming B) Bill Gates
C) Micheal Faraday D) Charles Babbage
 
Answer & Explanation Answer: D) Charles Babbage

Explanation:
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Q:

___________ is the wearing away of the landscape by different agents like water, wind and ice.

A) Weathering B) Attrition
C) Erosion D) Abrasion
 
Answer & Explanation Answer: C) Erosion

Explanation:
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Filed Under: General Science
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Q:

The famous poet Amir Khusrau was contemporary of all except following :

A) Alauddin Khilji B) Ghiyasuddin Balban
C) Iltutmish D) Jalaluddin Khilji
 
Answer & Explanation Answer: C) Iltutmish

Explanation:
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Q:

The tropical grasslands of Africa are known as?

A) Savanna B) Tundra
C) Siesman D) None of the above
 
Answer & Explanation Answer: A) Savanna

Explanation:

The tropical grasslands of Africa are known as Savanna.

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Filed Under: World Geography
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