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1 Everyday Science MCQs

The underground water and the water on the Earth’s surface together are called:

  • Mesosphere
  • Ionosphere
  • Hydrosphere
  • None of these
0 Comments
Correct Answer: C. Hydrosphere

Explanation:

The total water present on Earth, including underground water (like aquifers and groundwater) ... Read More Details

2 Everyday Science MCQs

Which planet is losing its atmosphere faster than the Earth?

  • Mercury
  • Venus
  • Mars
  • Jupiter
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Correct Answer: C. Mars

Explanation:

Among the planets in our solar system, Mars is known to be losing ... Read More Details

3 Physics MCQs

SONAR works on the principle of:

  • Echo
  • Reverberation
  • Resonance
  • None of these
0 Comments
Correct Answer: A. Echo

Explanation:

SONAR, which stands for Sound Navigation and Ranging, is a technology used to ... Read More Details

4 Physics MCQs

The Doppler Effect is applicable for:

  • Light waves only
  • Sound waves only
  • Both light waves and sound waves
  • None of these
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Correct Answer: C. Both light waves and sound waves

Explanation:

The Doppler Effect is a phenomenon observed when there is relative motion between ... Read More Details

5 Biology Mcqs

Which of the following is not a fat-soluble vitamin?

  • Vitamin A
  • Vitamin D
  • Vitamin B complex
  • Vitamin K
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Correct Answer: C. Vitamin B complex

Explanation:

Vitamins are essential organic compounds required in small amounts for proper growth, metabolism, ... Read More Details

6 Everyday Science MCQs

What is the total surface area of the Earth?

  • 510.94 million km²
  • 492.102 million km²
  • 392.023 million km²
  • 692.192 million km²
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Correct Answer: A. 510.94 million km²

Explanation:

The Earth is approximately a spherical planet with a slightly flattened shape at ... Read More Details

7 Biology Mcqs

The red color of blood is due to which of the following?

  • Hemoglobin
  • Neutrophils
  • Eosinophils
  • Hematocrit
0 Comments
Correct Answer: A. Hemoglobin

Explanation:

The red color of blood is primarily due to hemoglobin, a protein found ... Read More Details

8 Everyday Science MCQs

The difference in the duration of day and night increases as one moves from:

  • West to East
  • East and West of the Prime Meridian
  • Equator to Poles
  • None of these
0 Comments
Correct Answer: C. Equator to Poles

Explanation:

The duration of day and night on Earth is determined by the rotation ... Read More Details

9 Physics MCQs

The speed of an object in a specific direction is called:

  • Velocity
  • Acceleration
  • Space
  • Temperature
0 Comments
Correct Answer: A. Velocity

Explanation:

In physics, the term velocity refers to the speed of an object in ... Read More Details

10 Everyday Science MCQs

Which instrument is used to measure rainfall?

  • Drosometer
  • Ombrometer
  • Micrometer
  • Pyrometer
0 Comments
Correct Answer: B. Ombrometer

Explanation:

Rainfall is an important component of the hydrological cycle and is measured using ... Read More Details