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1 Physics MCQs

What is the gravitational force (acceleration due to gravity) of Earth?

  • 9.80 m/s²
  • 7.21 m/s²
  • 1.62 m/s²
  • None of these
0 Comments
Correct Answer: A. 9.80 m/s²

Explanation:

Gravity is a natural force that attracts objects toward the center of the ... Read More Details

2 Biology Mcqs

The BCG vaccine is used to produce immunity against which disease?

  • Whooping cough
  • Tuberculosis
  • Virus fever
  • Smallpox
0 Comments
Correct Answer: B. Tuberculosis

Explanation:

The BCG (Bacillus Calmette–Guérin) vaccine is a vaccine primarily used to provide immunity ... Read More Details

3 Biology Mcqs

A tree that sends down roots from its branches to the soil is called:

  • Oak
  • Pine
  • Banyan
  • Palm
0 Comments
Correct Answer: C. Banyan

Explanation:

Some trees develop special root systems to support their growth and stability. One ... Read More Details

4 Chemistry MCQs

Which of the following is commonly used as a lubricant?

  • Graphite
  • Silica
  • Diamond
  • Iron oxide
0 Comments
Correct Answer: A. Graphite

Explanation:

Lubricants are substances used to reduce friction and wear between moving surfaces. They ... Read More Details

5 Chemistry MCQs

Which element is common to all acids?

  • Hydrogen
  • Carbon
  • Sulphur
  • Oxygen
0 Comments
Correct Answer: A. Hydrogen

Explanation:

All acids, whether organic or inorganic, contain the element hydrogen. The presence of ... Read More Details

6 Chemistry MCQs

Carbon, Diamond, and Graphite are collectively called what?

  • Allotropes
  • Isomers
  • Isomorphs
  • Isotopes
0 Comments
Correct Answer: A. Allotropes

Explanation:

Carbon, Diamond, and Graphite are all forms of the element carbon, but they ... Read More Details

7 Chemistry MCQs

Which of the following is most soluble in water?

  • Camphor
  • Sulphur
  • Common salt
  • Sugar
0 Comments
Correct Answer: D. Sugar

Explanation:

Solubility is the ability of a substance to dissolve in a solvent and ... Read More Details

8 Biology Mcqs

Why are radiations harmful to humans?

  • Causes skin cancer
  • Causes anemia
  • Alters body tissue
  • Is unstable
0 Comments
Correct Answer: C. Alters body tissue

Explanation:

Radiation refers to the emission of energy in the form of waves or ... Read More Details

9 Physics MCQs

Which of the following is a solid?

  • Water
  • Stone
  • Both
  • None
0 Comments
Correct Answer: B. Stone

Explanation:

Matter exists in different states, primarily solid, liquid, and gas. Each state has ... Read More Details

10 Chemistry MCQs

Molasses is a byproduct of which factory/industry?

  • Fertilizer
  • Cotton seed oil
  • Sugar
  • Banaspati Ghee
0 Comments
Correct Answer: C. Sugar

Explanation:

Molasses is a thick, dark syrup that is produced as a byproduct during ... Read More Details