International News-Scientific and Technological Developments [Current Affairs]: Questions 386 - 389 of 402

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Question 386

Scientific and Technological Developments
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Question

MCQ▾

Which is the first Synthetic material that gets thicker on stretching?

Choices

Choice (4)Response
a.Benzaldehyde
b.Formalin
c.Liquid Crystal Elastomer
d.Thermoplastics

Question 387

Scientific and Technological Developments
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Question

MCQ▾

With reference to the Leap Second, consider the following statements:

1. International Earth Rotation and Reference System Service (IERS) of Paris tells the world when to add leap seconds on the basis of the difference between Astronomical Time and International Atomic Time.

2. They are inserted at the end of the last day of either June or December

Which of the statements given above is/are correct?

Choices

Choice (4)Response
a.1 and 2
b.2
c.Neither 1 nor 2
d.1

Question 388

Scientific and Technological Developments
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Question

MCQ▾

With reference to ‘INSIGHT Mission’, consider the following statements:

1. INSIGHT stands for ‘Interior Exploration using Seismic Investigation, Geodesy and Heat Transport’.

2. It is ‘NASA Discovery Program mission’ that will place a single geophysical Lander on Mars to study its deep interior.

Which of the statements given above is/are correct?

Choices

Choice (4)Response
a.1
b.1 and 2
c.Neither 1 nor 2
d.2

Question 389

Scientific and Technological Developments
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Question

MCQ▾

Recently NASA’s OSIRIS-REx spacecraft has discovered traces of water

forming ingredients i. e. hydrogen and oxygen molecules in which of the following asteroid?

Choices

Choice (4)Response
a.Ceres
b.Pallas
c.Hygiea
d.Bennu