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1 Biology Mcqs

Approximate number of red blood cells (RBCs) in a single microliter of blood in men 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: A. 4.5 to 6.2 million

Explanation:

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

2 Chemistry MCQs

What is the chemical symbol for Tungsten?

  • Z
  • T
  • Tn
  • W
0 Comments
Correct Answer: D. W

Explanation:

Tungsten is a chemical element that belongs to the transition metals in the ... Read More Details

3 Biology Mcqs

Parkinson’s disease is a disease of which part of the body?

  • Lungs
  • Eyes
  • Brain
  • Bones
0 Comments
Correct Answer: C. Brain

Explanation:

Parkinson’s disease is a chronic and progressive neurological disorder that primarily affects the ... Read More Details

4 Biology Mcqs

How many calories are there in 1 gram of carbohydrate?

  • 2
  • 3
  • 4
  • 10.25
0 Comments
Correct Answer: C. 4

Explanation:

Carbohydrates are one of the three main macronutrients in human nutrition, along with ... Read More Details

5 Physics MCQs

Water is about 50 times more viscous than which of the following?

  • Oil
  • Alcohol
  • Gases
  • Solid
0 Comments
Correct Answer: C. Gases

Explanation:

Viscosity is a physical property that measures a fluid’s resistance to flow. It ... Read More Details

6 Physics MCQs

1 yard is equal to how many feet?

  • 3 feet
  • 6 feet
  • 2.4 feet
  • 12 feet
0 Comments
Correct Answer: A. 3 feet

Explanation:

Yard and foot are standard units of length used in measurement systems, especially ... Read More Details

7 Biology Mcqs

In humans, which body part develops first during embryonic growth?

  • Heart
  • Brain
  • Lungs
  • Kidneys
0 Comments
Correct Answer: A. Heart

Explanation:

During human embryonic development, organs form in a precise sequence, starting from a ... Read More Details

8 Biology Mcqs

How many chambers are there in the human heart?

  • 2
  • 3
  • 4
  • 5
0 Comments
Correct Answer: C. 4

Explanation:

The human heart is a vital organ responsible for pumping blood throughout the ... Read More Details

9 Everyday Science MCQs

What is the meaning of Phonetics?

  • Study of speech sounds
  • Study of language and rules
  • Study of insects
  • Study of meaning and syntax
0 Comments
Correct Answer: A. Study of speech sounds

Explanation:

Phonetics is the scientific study of speech sounds and how humans produce, transmit, ... Read More Details

10 Biology Mcqs

How many Calories are there in 100 grams of natural honey?

  • 107
  • 209
  • 304
  • 416
0 Comments
Correct Answer: B. 209

Explanation:

Natural honey is a sweet, energy-rich food made by bees from flower nectar. ... Read More Details