MCQs

Q351: In which of the following, the speed of sound is minimum?

• A) Brick
• B) Air
• C) Lead

Q352: The average human heart beats about?

• A) 72 times per minute
• B) 71 times per minute
• C) 70 times per minute

Q353: Which one of the following is second largest planet in our solar system?

• A) Jupiter
• B) Neptune
• C) Saturn

Q354: Which one of the following is the main reason of heart attack?

• A) Low blood pressure
• B) Anaemia
• C) Cholesterol

Q355: Ozone is a gas found in the layer?

• A) Troposphere
• B) Mesosphere
• C) Stratosphere

Q356: Which mineral is essential for building bones and teeth, muscle functioning and blood clotting?

• A) Calcium
• B) Magnesium
• C) Iron

Q357: Doctors usually check the blood pressure of body through apparatus called _____?

• A) Thermometer
• B) Sphygmomanometer
• C) Glucometer

Q358: Study of remote past organic life, with the help of fossils?

• A) Entomology
• B) Paleontology
• C) Taxonomy

Q359: In the word GPS, letter G stands for ____?

• A) Geographic
• B) General
• C) Global

Q360: Which disease is caused by deficiency of Calcium?

• A) Anaemia
• B) Beriberi
• C) Rickets