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 : White LED light is produced by making certain combination of which of the following LED lights?
  1. Red
  2. Blue
  3. Green
  4. Yellow
Codes:

(a) 3 and 4 only

(b) 1 and 4 only

(c) 1, 2 and 3 only

(d) All of the above

The correct answers to the above question in:

Answer: (c)

Yellow light is not used to produce white LED light.

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Question : 1

Consider the following statements.

  1. China launched its most sophisticated observation satellite Gaofen-3.
  2. It is part of the country’s high-definition (HD) earth observation Gaofen project.
  3. The satellite is China’s first geosynchronous orbit high-definition optical imaging satellite.
Which of the above statements is/are correct?Codes:

a) 1 and 3

b) 2 and 3

c) 1 and 2

d) All of these

Answer: (b)

China launched its most sophisticated observation satellite Gaofen-4.

Question : 2

Scientists at the Indira Gandhi centre for Atomic Research, Kalpakkam, have successfully extended the life of Fast Breeder Test Reactor (FBTR) by another 20 years. This centre is located in:

a) Karnataka

b) Maharashtra

c) Gujarat

d) Tamil Nadu

Answer: (d)

The Fast Breeder Test Reactor built at Indira Gandhi Centre for Atomic Research, Kalpakkam(Tamil Nadu), is a fore-runner to the second stage of Indian nuclear power programme.

Question : 3

In 2014, US scientists genetically engineered a plant to produce more eugenol. The engineered plant is :

a) Neem

b) Capsicum

c) Mango

d) Basil

Answer: (d)

Scientists genetically engineered Tulsi or basil to produce eugenol, having pharmaceutical value which controls the breast cancer. Tulsi is a medicinal plant and has anti-cancerous compounds.

Question : 4

Which of the following statements are correct?

  1. Space Pioneer Award is conferred by the US government.
  2. The team of ISRO’s Mars Mission has been awarded 2015 award in the Science and Engineering category.
Codes:

a) 2 only

b) Both 1 and 2

c) 1 only

d) Neither 1 Nor 2

Answer: (a)

Space Pioneer Award is conferred by the National Space Society (NSS), an American educational and scientific organization.

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