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Daily MCQ UPSC Current Affairs

Daily MCQs for UPSC Current Affairs | 6TH JANUARY 2023

/ EDEN Daily MCQ UPSC Current Affairs January 2023, EDEN Daily Prelims

Question 11: Consider the following statements:

  1. The scramjet efficiency starts to drop when the vehicle reaches hypersonic speeds.
  2. India became the fourth country to claim the successful testing of Scramjet Engine.

Which of the following statements is/are true?

A) 1 only

B) 2 only

C) 1 and 2 only

D) Neither 1 nor 2

Correct Answer: B

Explanation

RAMJET

  • High-speed forward motion is used to compress the air (no compressor). Fuel is injected into the combustion chamber where it mixes with the hot compressed air and ignites. The average speed of Ramjet is 3-6 Mach. But the ramjet efficiency starts to drop when the vehicle reaches hypersonic speeds.

SCRAMJET

  • Here also, the high-speed forward motion is used to compress the air (no compressor), but it is an improvement over the ramjet engine as it efficiently operates at hypersonic speeds and allows supersonic combustion. Speed is greater than 6 Mach (Six times the speed of Sound).India became the fourth country to claim the successful testing of Scramjet Engine. Russia was the first country who claimed scramjet flight test in 1991, and later US and European Space agency also joined the elite group.

Question 12: Consider the following statements with respect to Sri Aurobindo:

  1. He wrote a series of articles New Lamps for Old in Indu – Prakash.
  2. He was arrested in relation to Alipore Bomb Case.

Which of the following statements is/are true?

A) 1 only

B) 2 only

C) 1 and 2 only

D) Neither 1 nor 2

Correct Answer: C

Explanation

Contributions of Sri Aurobindo:

  • In India, he joined the State Service of Maharaja of Baroda (Sayajirao Gaekwad III).
  • After the ‘Partition of Bengal’, he joined the Indian National Congress (INC) in 1906.
  • He remained active till 1910, when he stopped political activities due to spiritual awakening and spent the rest of his life at
  • Wrote a series of articles New Lamps for Old ‘ (1893) in ‘Indu – Prakash’, a Bombay daily newspaper, criticizing moderate politics of Congress.
  • Started Bande Mataram (English Daily), Karma yogin (English newspaper) and Dharma (Bengali Weekly).
  • He joined the group led by Bal Gangadhar Tilak in the Surat Split of INC (1907).
  • In 1908, he was arrested in relation to Alipore Bomb Case, acquitted later.
  • Other Contributions: Established Sri Aurobindo Ashram with Mirra Alfassa in 1926 and wrote spiritual books such as Essays on the Gita (1922), The Life Divine (1939) etc.

Question 13: Consider the following statements:

  1. The Commission on the Status of Women (CSW) is the principal global intergovernmental body exclusively dedicated to the promotion of gender equality and the empowerment of women.
  2. The Commission on the Status of Women (CSW) was established by ECOSOC in 1946.

Which of the following statements is/are true?

A) 1 only

B) 2 only

C) 1 and 2 only

D) Neither 1 nor 2

Correct Answer: C

Explanation

  • The Commission on the Status of Women (CSW) is the principal global intergovernmental body exclusively dedicated to the promotion of gender equality and the empowerment of women.
  • A functional commission of the Economic and Social Council (ECOSOC), it was established by ECOSOC resolution 11(II) of 21 June 1946.
  • It was established by ECOSOC in 1946.
  • It plays a leading role in implementation of the Beijing Declaration and Platform for Action.
  • It consists of one representative from each of 45 Member States elected by ECOSOC on the basis of equitable geographical distribution.
  • India was elected to CSW for four years from 2021 to 2025.

Question 14: Consider the following statements:

  1. Frabott is a robot capable of sorting, manipulating and identifying microscopic marine fossils that will make easier to study oceans and climate.
  2. It has a very high accuracy rate for identifying forums.

Which of the following statements is/are true?

A) 1 only

B) 2 only

C) 1 and 2 only

D) Neither 1 nor 2

Correct Answer: C

Explanation

Frabott:

  • It is a robot capable of sorting, manipulating and identifying microscopic marine fossils that will make easier to study oceans and climate.
  • It has a very high accuracy rate for identifying forums, better than most trained humans.
  • Foram’s or Foraminifera are very simple micro-organisms that secrete a tiny shell. They existed in oceans for more than 100 million years.

Question 15: Consider the following statements:

  1. Patriot missile is a Surface-to-air guided missile system that can target aircraft, cruise missiles and shorter-range ballistic missiles.
  2. Agni-V is a nuclear capable advanced surface-to-air ballistic missile developed indigenously by DRDO.
  3. Agni-V uses a three-stage solid fueled engine.

Which of the following statements is/are true?

A) 1 and 2

B) 2 and 3

C) 1 and 3

D) 1, 2, and 3

Correct Answer: C

Explanation

  • Patriot missile: Surface-to-air guided missile system that can target aircraft, cruise missiles and shorter-range ballistic missiles. Other similar missile system: Russian S- 400 Triumf surface-to-air missile system
  • Agni-V is a nuclear capable advanced surface-to-surface ballistic missile developed indigenously by DRDO under the Integrated Guided Missile Development Program (IGMDP). The IGMDP had five missiles as Prithvi, Agni, Trishul, Nag and Akash. Agni-V uses a three-stage solid fueled engine.

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