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1 Chemistry MCQs

The ozone (O₃) molecule contains which type of chemical bonding?

  • Dative bond
  • Covalent bond
  • Both A and B
  • Ionic bond
0 Comments
Correct Answer: C. Both A and B

Explanation:

Ozone (O₃) is a triatomic molecule composed of three oxygen atoms. Its chemical ... Read More Details

2 Physics MCQs

The gas usually filled inside an electric bulb is:

  • Nitrogen
  • Hydrogen
  • Carbon dioxide
  • Oxygen
0 Comments
Correct Answer: A. Nitrogen

Explanation:

Electric bulbs, particularly incandescent bulbs, contain a filament that heats up and emits ... Read More Details

3 Chemistry MCQs

Non-stick cooking utensils are coated with which substance?

  • Black paint
  • PVC
  • Teflon
  • Polystyrene
0 Comments
Correct Answer: C. Teflon

Explanation:

Non-stick cooking utensils are coated with Teflon, a synthetic polymer known for its ... Read More Details

4 Chemistry MCQs

Which metals are the main ingredients of gun metal?

  • Iron, Zinc, and Titanium
  • Iron and Tin
  • Iron, Brass, and Tin
  • Copper, Tin, and Zinc
0 Comments
Correct Answer: D. Copper, Tin, and Zinc

Explanation:

Gun metal is a type of alloy, which is a mixture of metals ... Read More Details

5 Biology Mcqs

The study of aging is called:

  • Gerontology
  • Histology
  • Physiology
  • Anthropology
0 Comments
Correct Answer: A. Gerontology

Explanation:

The study of aging and the biological, psychological, and social processes associated with ... Read More Details

6 Biology Mcqs

Blood does not coagulate inside the body due to the presence of which substance?

  • Haemoglobin
  • Fibrin
  • Heparin
  • Plasma
0 Comments
Correct Answer: C. Heparin

Explanation:

Blood has a natural ability to coagulate, or form clots, to stop bleeding ... Read More Details

7 Physics MCQs

The light from distant stars is affected by:

  • The Earth’s atmosphere
  • Interstellar dust
  • Both A and B
  • None of these
0 Comments
Correct Answer: C. Both A and B

Explanation:

The light we receive from distant stars travels vast distances through space before ... Read More Details

8 Biology Mcqs

The main and largest component of blood plasma is:

  • Carbon dioxide
  • Oxygen
  • Water
  • Glucose
0 Comments
Correct Answer: C. Water

Explanation:

Blood plasma is the liquid component of blood, making up about 55% of ... Read More Details

9 Biology Mcqs

Approximate number of red blood cells (RBCs) in a single microliter of blood in women is:

  • 4.5 to 6.2 million
  • 3.4 to 6.8 million
  • 3.2 to 7.2 million
  • 4.0 to 5.2 million
0 Comments
Correct Answer: D. 4.0 to 5.2 million

Explanation:

Red blood cells (RBCs), also known as erythrocytes, are specialized cells in the ... Read More Details

10 Biology Mcqs

Normal range of white blood cells (WBCs) per microliter of blood is:

  • 2,500 and 09,300
  • 4,500 and 10,000
  • 4,900 and 12,000
  • None of these
0 Comments
Correct Answer: B. 4,500 and 10,000

Explanation:

White blood cells (WBCs), also known as leukocytes, are an essential component of ... Read More Details

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