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1 Physics MCQs

Which medium carries a signal from the source to the destination?

  • Transmitter
  • Transmission channel
  • Receiver
  • Hardware
0 Comments
Correct Answer: B. Transmission channel

Explanation:

In communication systems, a signal is transmitted from a source to a destination ... Read More Details

2 Physics MCQs

The Vernal Equinox in March in the Northern Hemisphere marks the beginning of which season?

  • Spring
  • Summer
  • Winter
  • Autumn
0 Comments
Correct Answer: A. Spring

Explanation:

The Vernal Equinox occurs around March 20th or 21st each year and marks ... Read More Details

3 Physics MCQs

Who invented the electric motor?

  • Michael Faraday
  • Oliver Evans
  • Thomas Edison
  • Horace Day
0 Comments
Correct Answer: A. Michael Faraday

Explanation:

The electric motor is a device that converts electrical energy into mechanical energy ... Read More Details

4 Chemistry MCQs

Who first gave the name “Atom”?

  • Democritus
  • Bohr
  • Rutherford
  • Archimedes
0 Comments
Correct Answer: A. Democritus

Explanation:

The term “atom” was first introduced by the ancient Greek philosopher Democritus around ... Read More Details

5 Chemistry MCQs

Which gas is an example of a monoatomic molecule?

  • Nitrogen
  • Hydrogen
  • Neon and Argon
  • Oxygen and Nitrogen
0 Comments
Correct Answer: C. Neon and Argon

Explanation:

A monoatomic molecule is a molecule that consists of only a single atom. ... Read More Details

6 Biology Mcqs

Which part of the body is affected by Gingivitis?

  • Eyes
  • Nails
  • Gums
  • Nostrils
0 Comments
Correct Answer: C. Gums

Explanation:

Gingivitis is a common oral health problem that affects the gums. It is ... Read More Details

7 Biology Mcqs

How many bones are there in the human eye socket (orbit)?

  • Three
  • Four
  • Five
  • Seven
0 Comments
Correct Answer: D. Seven

Explanation:

The human eye socket, also called the orbit, is a bony cavity in ... Read More Details

8 Everyday Science MCQs

Which planet is called the Watery Planet?

  • Earth
  • Mars
  • Jupiter
  • Mercury
0 Comments
Correct Answer: A. Earth

Explanation:

The planet called the Watery Planet is Earth. This is because about 71% ... Read More Details

9 Physics MCQs

Which is the coldest region of the Earth’s atmosphere?

  • Exosphere
  • Thermosphere
  • Stratopause
  • Mesopause
0 Comments
Correct Answer: D. Mesopause

Explanation:

The Earth’s atmosphere is divided into several layers, each with distinct temperature characteristics. ... Read More Details

10 Physics MCQs

How many longitudes are there on the Earth?

  • 90
  • 180
  • 270
  • 360
0 Comments
Correct Answer: D. 360

Explanation:

Longitudes are imaginary lines that run from the North Pole to the South ... Read More Details