Questions

Q:

Insulators have resistivity of the order of 

A) 106 Ω m to 108 Ω m B) 10-12 Ω m to 10-17 Ω m
C) 10-8 Ω m to 10-6 Ω m D) 1012 Ω m to 1017 Ω m
 
Answer & Explanation Answer: D) 1012 Ω m to 1017 Ω m

Explanation:
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Filed Under: Physics
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Q:

The radius of curvature of a concave mirror is 30 cm. Following Cartesian Sign Convention, its focal length is expressed as

A) -30 cm B) -15 cm
C) +30 cm D) +15 cm
 
Answer & Explanation Answer: B) -15 cm

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Q:

Recently, Prime Minister Narendra Modi has inaugurated the 60-megawatt Tuirial Hydroelectric power project. The project is being constructed in which of the following state?

A) Sikkim B) Assam
C) Meghalaya D) Mizoram
 
Answer & Explanation Answer: D) Mizoram

Explanation:

The 60-megawatt Tuirial Hydroelectric power project has been inaugurated by PM from Aizawal, Mizoram. Now Mizoram has become third power-surplus state in North-East after Sikkim and Tripura.Note: Tuirial Dam is an earth fill and gravity dam near Kolasib in the state of Mizoram in India.

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Q:

Which of the following is the cleanest source of energy?

A) Biofuel B) Fossil fuel
C) Nuclear power D) Wind energy
 
Answer & Explanation Answer: D) Wind energy

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Filed Under: General Science
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Q:

In terms of size, Neptune ranks no. ___ in our Solar System.

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: D) 4

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Filed Under: General Science
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Q:

The sentences given with blanks are to be filled with an appropriate word(s). Four alternatives are suggested for each question. For each question,choose the correct alternative and click the button corresponding to it.

After retirement Surti lived _______ Australia.

A) in B) at
C) over in D) over at
 
Answer & Explanation Answer: A) in

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Filed Under: English
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Q:

Which feature of a plant helps to distinguish a monocot from a dicot?

A) pollination B) venation
C) vernation D) aestivation
 
Answer & Explanation Answer: B) venation

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Filed Under: Biology
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Q:

Which of the following is not true about Gymnosperms?

A) Dominant phase is saprophytes B) Vascular bundles are absent
C) spores are heterospores D) Flowers are absent
 
Answer & Explanation Answer: B) Vascular bundles are absent

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Filed Under: Biology
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