Everyday Science Most Important MCQs Six
Showing 231 – 240 of 426
Lactometer is a type of Hydrometer which is used to measure the specific gravity of ________?
- A. Honey
- B. Water
- C. Milk
- D. Olive oil
In humans, most nutrient molecules are absorbed by the ________?
- A. Small intestine
- B. Stomach
- C. Liver
- D. Large intestine
The main constituent of hemoglobin is ________?
- A. Chlorine
- B. Iron
- C. Calcium
- D. None of these
Which of the following vitamins promote healthy functioning of eyes in human beings?
- A. Vitamin B
- B. Vitamin C
- C. Vitamin A
- D. Vitamin D
ECG is used for the diagnosis of ailments of ________?
- A. Brain
- B. Heart
- C. Kidneys
- D. Lungs
An astronaut inside a spacecraft is in a state of weightlessness. This implies that?
- A. The mass of the astronaut is reduced to zero
- B. Gravity inside the spacecraft ceases to act
- C. The astronaut is outside the influence of the earth’s gravitational force
- D. The astronaut and the spacecraft are both in a free-falling state
Lead ball falls through water more slowly than through air because __________?
- A. The value of ‘g’ is less in water
- B. Density of air is less than that of water
- C. Of the viscous force in water
- D. Of the surface tension of water
Materials for rain-proof coats and tents owe their waterproof properties to _________?
- A. Surface tension
- B. Viscosity
- C. Specific gravity
- D. Elasticity
The sunlight can reach a depth of _________ meters in the ocean.
- A. 80
- B. 200
- C. 120
- D. None
Equator passes through one of these countries _________?
- A. Saudi Arabia
- B. Italy
- C. Japan
- D. None
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