Q:

Salination of soil is caused by

A) Pesticides	B) soil erosion
C) excess irrigation	D) crop rotation

Answer & Explanation Answer: C) excess irrigation

Explanation:

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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 $2.2 x 10^{6}$ m/s. What is the equivalent current? (Electronic charge = $1.6 x 10^{- 19}$ 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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Q:

___________ is a welfare scheme started by the Prime Minister in order to provide LPG connections to domestic households that fall under the below the poverty line category.

A) Gram Uday Se Bharat Uday Abhiyan	B) Pradhan Mantri Ujjwala Yojana
C) Pradhan Mantri Surakshit Matritva Yojana	D) Vidyanjali Yojana

Answer & Explanation Answer: B) Pradhan Mantri Ujjwala Yojana

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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:

The first Field Marshall of India was

A) A. S. Vaidya	B) K.M. Cariappa
C) Sunderji	D) S.H.F.J. Manekshaw

Answer & Explanation Answer: D) S.H.F.J. Manekshaw

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Q:

The name of first mammal clone sheep is

A) Noori	B) Dolly
C) Louise	D) Durga

Answer & Explanation Answer: B) Dolly

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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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Q:

In the following questions, one part of the sentence may have an error. Find out which part of the sentence has an error and click the button corresponding to it. If the sentence is free from error, click the "No error" option.

All my hope (A) / were duped (B) / and I was plunged in deep sorrow. (C) / No Error (D)

A) A	B) B
C) C	D) D

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