Q:

Optical fiber works on the principle of -

A) Diffusion	B) Total Internal Reflection
C) Scattering	D) Refraction

Answer & Explanation Answer: B) Total Internal Reflection

Explanation:

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Filed Under: Physics
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Q:

In a transformer the tappings are generally provided on

A) Primary side	B) low voltage side
C) High voltage side	D) Secondary side

Answer & Explanation Answer: C) High voltage side

Explanation:

Tappings are provided in order to maintain the terminal voltage across the loads within the permissible specified limits with respect to load variations.

Generally tappings are preferred on HV side, because the HV side is low current side, tap changer involves low current interruption and large variations or small steps are possible due to more no of turns.

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Q:

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

He _____ to the problem of air pollution in his speech.

A) averted	B) adverted
C) exclaimed	D) mentioned

Answer & Explanation Answer: B) adverted

Explanation:

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Q:

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.
Giving undue favours to one's own kith and kin

A) Ableism	B) Iconoclast
C) Maiden	D) Nepotism

Answer & Explanation Answer: D) Nepotism

Explanation:

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Q:

Which one of the following tissues is responsible for increase of girth in the stem of a plant?

A) Tracheid	B) Pericycle
C) Intercalary meristem	D) Lateral meristem

Answer & Explanation Answer: D) Lateral meristem

Explanation:

In vascular plants, the lateral meristem is one of two meristems in which growth occurs in order to increase stem girth. A meristem is the region of plant tissue found on the tips of roots and shoots. It is where cell division occurs to produce new growth.

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Filed Under: Biology
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Q:

The male sex organs in a flower is the __________.

A) Zoospores	B) stamen
C) pistil	D) Chlorophyceae

Answer & Explanation Answer: B) stamen

Explanation:

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Q:

Who started construction of Nalanda (Mahavihara) ?

A) Dharampala	B) Ashoka
C) Kumaragupta	D) Harihara

Answer & Explanation Answer: C) Kumaragupta

Explanation:

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Filed Under: Indian History
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Q:

Which of the following monuments built by Muhammad Quli Qutb Shah is said to be built to commemorate the eradication of plague?

A) Alai Minar	B) Charminar
C) Fateh Burj	D) Qutub Minar

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