Everyday Science Mcqs

What kind of weathering takes place on the valley side above the surface of the glacier?

A. Plucking
B. Abrasion
C. Chemical weathering
D. Frost shattering

Quantity of fresh air required for a man is 1000 cubic feet of air for every____________?

A. 5 minutes
B. 10 minutes
C. 15 minutes
D. 20 minutes

Approximately, how many times each day do our heart valves open and close normally?

A. 10,000
B. 1,00,000
C. 1,50,000
D. 2,00,000

The ‘stone’ formed in human kidney consist mostly of_____________?

A. Calcium oxalate
B. Sodium acetate
C. Magnesium sulphate
D. Calcium

In eye donation, which one of the following parts of donor’s eye is utilized ?

A. Iris
B. Lens
C. Cornea
D. Retina

According to the definition of 1 KWh, a 100 watt bulb consumes one unit of electricity in____________?

A. 1 hours
B. 5 hours
C. 10 hours
D. 15 hours

The amount of energy required by the children of age between one to three years is___________?

A. 300 k Calories
B. 600 k Calories
C. 900 k Calories
D. 1200 k Calories

A substance which increases the efficiency of a catalyst is termed as:

A. Promoter
B. Activator
C. Retarder
D. Super catalyst

One of the following ways of expressing the concentration of a solution does not depend on temperature. It is__________?

A. Molarity
B. Molality
C. Normality
D. Formality