Q:

Which one of the following statements is not correct?

A) The response of the ear to sound of increasing intensity is approximately logarithmic.	B) The sensitivity of the human ear does not vary with the frequency of the sound.
C) When two or more waves traverse the same medium, the displacement of any element of the medium is the algebraic sum of the displacements due to each wave.	D) Longitudinal waves can travel in all media-solids, liquids and gases.

Answer & Explanation Answer: B) The sensitivity of the human ear does not vary with the frequency of the sound.

Explanation:

The human ear can respond to minute pressure variations inthe air if they are in the audible frequency range, roughly 20 Hz -20 kHz. In fact, tests conducted show an increased sensitivity in the 3000 Hz range which is the optimal amplification frequency in the human ear. So, the sensitivity of the human ear varies with the frequency of the sound.

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Filed Under: Physics
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Q:

Ficus benghalensis is the scientific name of _______.

A) Banyan	B) Pineapple
C) Babul	D) Tulsi

Answer & Explanation Answer: A) Banyan

Explanation:

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Filed Under: General Science
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Q:

______ of species is a reflection of their evolutionary relationships.

A) Characteristics	B) Adaptation
C) Illustration	D) Classification

Answer & Explanation Answer: D) Classification

Explanation:

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Filed Under: General Science
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Q:

Part IV of constitution of India deals with which of the following?

A) The Union	B) The States
C) Fundamental Rights	D) Directive Principles of State Policy

Answer & Explanation Answer: D) Directive Principles of State Policy

Explanation:

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Filed Under: Indian Politics
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Q:

The impact of Green Revolution was felt most in the case of

A) Wheat	B) Rice
C) Pulses	D) Oil seeds

Answer & Explanation Answer: A) Wheat

Explanation:

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Filed Under: General Awareness
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Q:

Which type of foreign investment is considered as unsafe?

A) Foreign Direct Investment (FDI)	B) Portfolio investment
C) NRI deposits	D) External commercial borrowing

Answer & Explanation Answer: B) Portfolio investment

Explanation:

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Filed Under: General Awareness
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Q:

Amrabad Tiger Reserve is in which state?

A) Maharashtra	B) Andhra Pradesh
C) Tamil Nadu	D) West Bengal

Answer & Explanation Answer: B) Andhra Pradesh

Explanation:

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Filed Under: Indian Geography
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Q:

Read the sentence to find out whether there is any error in it. The error, if any, will be in one part of the sentence. If the given sentence is correct as it is, the answer is ‘No error’. Ignore the errors of punctuation, if any.

In such delicate matters,/ we often take/ his advice as he has/ been effectively handling such cases for a decade.

A) In such delicate matters	B) We often take
C) His advice as he has	D) Been effectively handling such cases for a decade

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