science & tech MCQ section 4 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 : Radar is used to

(a) receive signal from radio receivers.

(b) locate geostationary satellites.

(c) detect and locate distant objects.

(d) locate submerged submarines.

The correct answers to the above question in:

Answer: (c)

Radar (Radio Detection And Ranging) is an object-detection system that uses radio waves to determine the range, altitude, direction, or speed of objects. It can be used to detect aircraft, ships, spacecraft, guided missiles, motor vehicles, weather formations, and terrain.

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Question : 1

Consider the following statements.

  1. India and Russia started their joint-military exercise named ‘INDRA 2015’.
  2. This joint military exercise is being held at Jaipur (Rajasthan).
  3. It is the 6th edition of the annual series of joint military exercises between India and Russia.
Which of the above statement is/are correct?Codes:

a) 3 only

b) 2 only

c) 1 only

d) None of these

Answer: (c)

This joint military exercise is being held Bikaner (Rajasthan). It is the 7th edition of the annual series of joint military exercises between India and Russia.

Question : 2

Consider the following statements:

  1. India's Defence Research and Development Organisation (DRDO) on 19 December 2014 successfully tested an indigenously built 1000 kg glide bomb.
  2. The bomb had successfully hit a target 200 km away in the Bay of Bengal off the Odisha coast.
Which of the statements given above is/are correct?

a) 2 only

b) Both1 and 2

c) 1 only

d) None of the above

Answer: (c)

The bomb had successfully hit a target 100 km away in the Bay of Bengal off the Odisha coast.

Question : 3

Sunita Williams is a

a) Missile scientist

b) Astro physicist

c) Nuclear scientist

d) Astronaut

Answer: (d)

Sunita Williamsis an American astronaut and United States Navy officer of Indian-Slovenian descent. She holds the records for total spacewalks by a woman (seven) and most spacewalk time for a woman (50 hours, 40 minutes).

Question : 4

Which one of the following is a ‘Surface to Air Missile’ ?

a) K-15 Sagarika

b) Agni

c) Brahmos

d) Trishul

Answer: (d)

Trishul is the name of a short range surface-to-air missile developed by India as a part of the Integrated Guided Missile Development Program. It has a range of 9 km and is fitted with a 5.5 kg warhead.

Question : 5

Who was the first person to set foot on the moon?

a) Valentina Tereshkova

b) Steven Sptelberg

c) Neil Armstrong

d) Yuri Gagarin

Answer: (c)

Neil Alden Armstrong was an American astronaut and the first person to walk on the Moon. Apollo 11 was the spaceflight that landed the first humans, Americans Neil Armstrong and Buzz Aldrin, on the Moon on July 20, 1969.

Question : 6

The oldest super predator living on earth discovered was the

a) Yellow whale

b) Marine Cobra

c) Marine crocodile

d) Blue Dolphin

Answer: (c)

Scientists at the University of Edinburgh’s School of Biological Sciences in the second week of January 2013 discovered that the oldest known super predator of the world was the Marine Crocodile.

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