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Q:

How many members can be nominated by the President of India in the Rajya Sabha?

A) 4 B) 8
C) 12 D) 16
 
Answer & Explanation Answer: C) 12

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Q:

Which one of the following statements about reusable space vehicle of ISRO is not correct?

A) In June 2016, ISRO successfully launched India’s first reusable space vehicle. B) The space vehicle was launched from Satish Dhawan Space Centre at Sriharikota in Andhra Pradesh.
C) The reusable launch vehicle climbed to a height of 65 km before automatically steering back for landing. D) The vehicle was initially boosted by a rocket that contained liquid fuel.
 
Answer & Explanation Answer: A) In June 2016, ISRO successfully launched India’s first reusable space vehicle.

Explanation:

May 23, 2016 ISRO successfully flight-tested India’s first winged body aerospace vehicle operating in hypersonic flight regime. In this experimental mission, the HS9 solid rocket booster carrying RLV-TD lifted off from the First Launch Pad at Satish Dhawan Space Centre, Sriharikotaat 07:00 hr IST. After a successful flight of 91.1second, HS9 burn out occurred, following which both HS9 and RLV-TD mounted on its top coasted to a height of about 56 km. At that height, RLV-TD separated from HS9 booster and further ascended to a heightof about 65 km.

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Q:

What is the name of the technology developed by Australian Scientists to transform soybean oil into graphene?

A) Grape B) GraphOne
C) GraphSoy D) GraphAir
 
Answer & Explanation Answer: D) GraphAir

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Q:

Who launched ‘National Biopharma mission’ named ‘i3’ in June, 2017?

A) Piyush Goyal B) Rajnath Singh
C) Dr. Harsh Vardhan D) Arun Jaitley
 
Answer & Explanation Answer: C) Dr. Harsh Vardhan

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Q:

In a hydrogen atom, an electron moves in an orbit of radius 5.0 x 10-11 m with a speed of 2.2 x 106 m/s. What is the equivalent current? (Electronic charge = 1.6 x10-19 C)

 

 

A) 0.112 mA B) 112 mA
C) 11.2 mA D) 1.12 mA
 
Answer & Explanation Answer: D) 1.12 mA

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Filed Under: Physics
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Q:

Salination of soil is caused by

A) Pesticides B) soil erosion
C) excess irrigation D) crop rotation
 
Answer & Explanation Answer: C) excess irrigation

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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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Q:

The ozone layer protects us from harmful _______________ rays of the sun.

A) infrared B) cosmic
C) gamma D) ultraviolet
 
Answer & Explanation Answer: D) ultraviolet

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