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1 Everyday Science MCQs

Why do stars appear to twinkle in the night sky?

  • a series of refractions
  • a series of reflections
  • a surface tension phenomenon
  • multiple diminishing brightness
0 Comments
Correct Answer: A. a series of refractions

Explanation:

Stars appear to twinkle in the night sky because of a phenomenon called ... Read More Details

2 Biology Mcqs

Which vitamin is present in chili?

  • Vitamin A
  • Vitamin B
  • Vitamin C
  • None of these
0 Comments
Correct Answer: C. Vitamin C

Explanation:

Chili is a widely used spice and vegetable, known for its hot and ... Read More Details

3 Physics MCQs

What is the triple point of water?

  • 271 K
  • 272.2 K
  • 273.16 K
  • None of these
0 Comments
Correct Answer: C. 273.16 K

Explanation:

The triple point of water is a very important concept in physics and ... Read More Details

4 Everyday Science MCQs

What divides the Earth into the Northern and the Southern Hemispheres?

  • Axis of rotation
  • Equator
  • North Pole
  • South Pole
0 Comments
Correct Answer: B. Equator

Explanation:

The Earth can be divided into two equal halves, known as hemispheres. The ... Read More Details

5 Physics MCQs

What is unit of Pressure?

  • Barr
  • Torr
  • Pascal
  • All of these
0 Comments
Correct Answer: D. All of these

Explanation:

Pressure is defined as the force exerted per unit area. It is one ... Read More Details

6 Chemistry MCQs

1 Carat is equal to ?

  • 0.2 g
  • 0.3 g
  • 0.4 g
  • 0.5 g
0 Comments
Correct Answer: A. 0.2 g

Explanation:

The carat is a unit of mass that is widely used for measuring ... Read More Details

7 Physics MCQs

Perfume spray bottles work on which principle?

  • Capillary action
  • Bernoulli’s Principle
  • Pascal’s Law
  • Stoke’s Law
0 Comments
Correct Answer: B. Bernoulli’s Principle

Explanation:

Spray bottles, such as perfume sprays, household cleaners, or window sprays, work on ... Read More Details

8 Biology Mcqs

Which hormone helps produce milk in mothers?

  • FSH
  • Prolactin
  • A.D.H.
  • Oxytocin
0 Comments
Correct Answer: B. Prolactin

Explanation:

Milk production in mothers is controlled by complex hormonal interactions, but the primary ... Read More Details

9 Biology Mcqs

How are water-soluble vitamins removed from the body?

  • Sweat
  • Tears
  • Injections
  • Urine
0 Comments
Correct Answer: D. Urine

Explanation:

Water-soluble vitamins are a group of vitamins that dissolve in water and are ... Read More Details

10 Physics MCQs

What does a Velometer measure?

  • Rain
  • Speed of Air
  • Wind pressure
  • Heat
0 Comments
Correct Answer: B. Speed of Air

Explanation:

A Velometer is a scientific instrument that is used to measure the speed ... Read More Details