(GIST OF SCIENCE REPORTER) MCQs May-2025

(GIST OF SCIENCE REPORTER) MCQs

(MAY-2025)

MCQs

Q. With reference to recent advances in cell biology, consider the following statements:

1. Lipids play only a structural role in cell membranes and do not influence protein function.

2. The compatibility between membrane proteins and lipids may be a result of co-evolution.

3. Mutations in the regions where proteins interact with lipids can affect protein function.

Which of the statements given above is/are correct?

(a) 1 and 2 only

(b) 2 and 3 only

(c) 1 and 3 only

(d) 1, 2 and 3

Q. Consider the following statements regarding Type 5 Diabetes:

1. Type 5 Diabetes Mellitus is also known as Malnutrition Related Diabetes Mellitus (MRDM).

2. It can be fully reversed by overcoming malnutrition through a balanced diet.

Which of the statements above is/are correct?

(a) 1 only

(b) 2 only

(c) Both 1 and 2

(d) Neither 1 nor 2

Q. Which of the following statements best describes GPS spoofing?

(a) Deliberately blocking or jamming genuine GPS signals so that receivers cannot lock onto them.

(b) Re-broadcasting authentic GPS signals from a remote antenna to extend coverage.

(c) Encrypting GPS data streams to prevent unauthorised access.

(d) Transmitting counterfeit GPS signals to deceive a receiver about its true location or time.

Q. What is K2-18b, recently seen in the news?

(a) Super Earth exoplanet

(b) Gene editing tool

(c) Human gene linked to cancer

(d) International Space Station Module

Q. Which of the following correctly lists the layers of the Sun in order from the innermost to the outermost?

(a) Core - Radiative Zone - Convective Zone - Photosphere - Chromosphere - Corona

(b) Core - Convective Zone - Radiative Zone - Photosphere - Corona - Chromosphere

(c) Core - Photosphere - Radiative Zone - Convective Zone - Chromosphere - Corona

(d) Corona - Chromosphere - Photosphere - Convective Zone - Radiative Zone - Core

Q. What is the primary purpose of Vehicle-to-Grid (V2G) technology?

(a) Reducing greenhouse gas emissions from electric vehicles.

(b) Enabling bidirectional energy flow between vehicles and the power grid.

(c) Enhancing the battery life of electric vehicles through smart charging.

(d) Allowing electric vehicles to charge faster using renewable energy.

Q. Sonic weapons are designed to utilise specific sound frequencies to incapacitate targets. Which of the following frequency ranges are primarily employed in such non-lethal weapons?

(a) Audible sound (20 Hz – 20 kHz) and Ultrasound (above 20 kHz)

(b) Infrasound (below 20 Hz) and Subsonic sound (below the speed of sound)

(c) Supersonic (faster than sound) and Ultrasonic (above 20 kHz)

(d) Infrasound (below 20 Hz) and Ultrasound (above 20 kHz)

Q. Consider the following statements:

Statement I: The SAGAR doctrine emphasises India’s commitment to enhancing maritime security and fostering economic cooperation in the Indian Ocean region.

Statement II: It aims to position India as a net security provider and promote collective prosperity through regional partnerships.

Which one of the following is correct in respect of the above statements?

(a) Both Statement–I and Statement–II are correct and Statement–II is the correct explanation for Statement–I

(b) Both Statement–I and Statement–II are correct and Statement–II is not the correct explanation for Statement–I

(c) Statement–I is correct but Statement–II is incorrect

(d) Statement–I is incorrect but Statement–II is correct

Q. The Sahastra Shakti Program of DRDO is aimed towards developing …

(a) Laser-Directed Energy Weapon

(b) Anti-Tank Missiles

(c) Submarine Radars

(d) Anti-aircraft guns

Q. Which of the following was India’s first aircraft carrier?