GATE Questions

Q:

Which of the following activities are examples of data gathering?

A) Counting the votes in an election to determine the next governor B) Making a pie chart showing the kinds of television sets owned by people in a sample of 1,000
C) Finding the mean weight of cancer patients in a study D) Using the results of a mathematical model to predict the next day's weather
 
Answer & Explanation Answer: A) Counting the votes in an election to determine the next governor

Explanation:

Option A) "Counting the votes in an election to determine the next governor"  is the only one where data gathering is done.

 

In all other options, data is already collected and now analyzing of data is going on.

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Q:

Which statement is true of all atoms that are anions?

A) The atom has more electrons than protons B) The atom has more protons than electrons
C) The atom has equal number of protons and electrons D) All of the above
 
Answer & Explanation Answer: A) The atom has more electrons than protons

Explanation:
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Q:

Exercise improves memory and learning.

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

Exercise can boost your memory and thinking skills by improvising alertness, attention and motivation.

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Q:

What was India's rank in the latest ICC One Day International Rankings?

A) 1st B) 2nd
C) 3rd D) 4th
 
Answer & Explanation Answer: B) 2nd

Explanation:

India's rank in the latest ICC One Day International Rankings is Second. England tops the list followed by India, South Africa, New Zealand, Pakistan, Australia in the list.

 

Whereas India's rank in the latest ICC Test International Rankings is First followed by South Africa and England in 2nd and 3rd places.

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Q:

Which determines the frequency of a sound wave?

A) Amplitude B) Speed
C) Source D) Medium
 
Answer & Explanation Answer: A) Amplitude

Explanation:

The frequency of a sound wave is determined by the amplitude of the wave. As amplitude of the wave is high the frequency of the wave will also be high.

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Q:

Which of the following is a false statement?

A) As bond order increases the strength of the bond increases B) Bond order is proportional to the bond length
C) Molecules with negative bond order are highly unstable D) Bond order is inversely proportional to the bond length
 
Answer & Explanation Answer: B) Bond order is proportional to the bond length

Explanation:

Bond order is proportional to the bond length is a False statement since Bond order is inversely proportional to the bond length.

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Q:

The term photon refers to

A) light ray B) sub atomic particle
C) radiation D) None of the above
 
Answer & Explanation Answer: B) sub atomic particle

Explanation:

The photon is a type of elementary particle, the quantum of the electromagnetic field including electromagnetic radiation such as light, and the force carrier for the electromagnetic force. The photon has zero rest mass and always moves at the speed of light within a vacuum.

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Q:

Which of these is true of all simple machines?

A) these make work easier B) work input > work output
C) Both A & B D) None of the above
 
Answer & Explanation Answer: C) Both A & B

Explanation:
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