science & tech MCQ section 7 MCQ Questions & Answers Detailed Explanation

MOST IMPORTANT general awareness mcq - 7 EXERCISES

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The following question based on science & tech topic of general awareness mcq

Questions : With reference to ‘stem cells’, frequently in the news, which of the following statements is/are correct?
  1. Stem cells can be derived from mammals only.
  2. Stem cells can be used for screening new drugs.
  3. Stem cells can be used for medical therapies.
Select the correct answer using the codes given below :

(a) 3 only

(b) 1 and 2

(c) 2 and 3

(d) 1, 2 and 3

The correct answers to the above question in:

Answer: (a)

Stem cells are the undifferentiated mass of cells that can be appropriately programmed genetically to give rise to any type of cell. In view of this, it can be used for medical therapies like grafting, development of antibodies etc.

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Question : 1

Thirty-Metre Telescope,the world’s largest telescope, for which India is creating software is located in

a) Antarctica

b) Norway

c) Iceland

d) USA

Answer: (d)

Thirty-Metre Telescope is located in the Hawaii islands of the USA.

Question : 2

Which district has become the first one in India to have high speed Rural Broadband Network under National Optical Fibre Network (NOFN)?

a) 12 trillion km

b) 14 trillion km

c) 8 trillion km

d) 10 trillion km

Answer: (d)

A light-year is a unit of distance. It is the distance that light can travel in one year. Light moves at a velocity of about 300,000 kilometers (km) each second. So in one year, it can travel about 10 trillion km.

Question : 3

Agarose extracted from sea weeds finds use in

a) PCR

b) spectrophotometry

c) tissue culture

d) gel electrophoresis

Answer: (d)

In gel electrophoresis agarose extracted from sea weed used as gel agarose, made of 0.7% gel show good resolution of large DNA molecules and 2% gel will show good resolution of small fragments of DNA.

Question : 4

The first explosion of an atomic device in India was carried out in the State of

a) Nagaland

b) Rajasthan

c) Manipur

d) Jammu and Kashmir

Answer: (b)

Smiling Buddha, formally designated as PokhranI, was the codename given to India's first nuclear test explosion that took place at the long-constructed Indian Army base, Pokhran Test Range in Rajasthan on 18 May 1974.

It was also the first confirmed nuclear test by a nation outside the five permanent members of the United Nations Security Council.

Question : 5

Consider the following Statements:

  1. India successfully test-fired its nuclear capable Prithvi-II missile from a test ranges at Chandipur in Odisha.
  2. It is surface-to- air ballistic missile.
  3. Dhanush is the variant of prithvi designed for Indian Navy.
Which of the statements given above is/are correct?

a) 1 and 3 only

b) 2 and 3 only

c) 1 and 2 only

d) All of the above

Answer: (a)

Prithvi-II is surface-to-surface missile developed by DRDO.

Question : 6

National Biodiversity Conference (NBC)-2015 will be held in

a) Kerala

b) Telangana

c) Gujarat

d) West Bengal

Answer: (a)

The second edition of National Biodiversity Conference will be held in Kerala in February 2015.

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