SSC CGL Science – Scientific Discoveries, Inventions & Space Technology – Level 1 · Warm-up · Tier I Level

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SSC CGL Science – Scientific Discoveries, Inventions & Space Technology – Level 1 · Warm-up · Tier I Level – 14 questions, subject: General Science. Every question has the correct answer with a one-line explanation; tap "Show Answer". Free practice for TNPSC, UPSC, SSC, Bank and RRB exams – Shanmugam IAS Academy, Coimbatore.

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1.  
The practical incandescent electric bulb (1879) is credited to:

Correct Answer: C [Thomas Alva Edison]

Explanation:

Answer: Thomas Alva Edison. Edison, 1879.

2.  
The printing press with movable metal type was developed by:

Correct Answer: A [Johannes Gutenberg]

Explanation:

Answer: Johannes Gutenberg. Mid-15th century, Germany.

3.  
The electron was discovered by:

Correct Answer: B [J. J. Thomson]

Explanation:

Answer: J. J. Thomson. 1897, cathode rays.

4.  
Insulin was first isolated in 1921 by:

Correct Answer: D [Banting and Best]

Explanation:

Frederick Banting and Charles Best, Toronto.

5.  
Dynamite was invented by:

Correct Answer: C [Alfred Nobel]

Explanation:

Nobel also founded the Nobel Prizes.

6.  
The first powered aeroplane flight was made by:

Correct Answer: B [The Wright brothers]

Explanation:

Answer: The Wright brothers. 1903.

7.  
The first Nobel Prize in Physics (1901) was awarded to:

Correct Answer: D [Wilhelm Röntgen]

Explanation:

Röntgen, for the discovery of X-rays.

8.  
Who is known as the father of the Indian space programme?

Correct Answer: A [Vikram Sarabhai]

Explanation:

Vikram Sarabhai – father of the Indian space programme (Bhabha – nuclear programme).

9.  
Which mission of ISRO was launched to study the Sun?

Correct Answer: C [Aditya-L1]

Explanation:

Answer: Aditya-L1. Aditya-L1, 2 Sept 2023.

10.  
Chandrayaan-3's Vikram lander touched down near which region of the Moon?

Correct Answer: A [the south polar region]

Explanation:

India was the first country to land near the Moon's south pole (isro.gov.in).

11.  
Fill in the blankIndia's first satellite, launched on 19 April 1975, was ______.

Correct Answer: B [Aryabhata]

Explanation:

Aryabhata – launched by a Soviet rocket (isro.gov.in).

12.  
A geostationary satellite completes one orbit in about:

Correct Answer: D [One day (24 hours)]

Explanation:

Answer: One day (24 hours). Same as Earth's rotation.

13.  
India's regional satellite navigation system is called:

Correct Answer: B [NavIC]

Explanation:

Answer: NavIC. IRNSS – NavIC.

14.  
True/False drillhow many are TRUE?
I. The Raman effect is about scattering of light.
II. Edison invented the telephone.
III. Cryogenic engines use liquid hydrogen and liquid oxygen.
IV. The Mars Orbiter Mission reached Mars orbit at its first attempt.

Correct Answer: A [Three]

Explanation:

Only II is false – Bell invented the telephone.

➤ Full notes, shortcuts and every answer explained – SSC CGL 2026 General Science book (₹149): www.shanmugamiasacademy.in/study-materials/ssc-cgl-general-science

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