Everyday Science Mcqs » Everyday Science MCQs
What is the mass of one mole of Iodine?

A. 74g
B. 254g
C. 127g
D. 53g

Atoms of all the elements always contain in nucleus:

A. Proton and neutron
B. Neutron and electron
C. Proton
D. Neutron

Short sightedness is due to__________?

A. Shifting of the iris
B. Elongation of eyeballs
C. Weakening of the retina
D. Weaker muscles

Underground water and the water on the earth’s surface is called ?

A. Mezosphere
B. Ionosphere
C. Hydrosphere
D. None of these

What is total area of the earth?

A. 510.94 million km²
B. 492.102 million km²
C. 392.023 million km²
D. 692.192 million km²

SONAR is based on the principle of___________?

A. Echo
B. Reverberation
C. Resonance
D. None of these

The color of blood is red due to __________?

A. Haemoglobin
B. Neutrophils
C. Esinophils
D. Hematocrit

Speed of object in one direction is called___?

A. Velocity
B. Acceleration
C. Space
D. Temperature