Mass of Earth is___________
(A) 5.972 × 10^24 kg
(B) 6.972 × 10^24 kg
(C) 7.972 × 10^24 kg
(D) 8.972 × 10^24 kg
Which blood cells are called ‘Soldiers’ of the body
(A) White Blood Cells
(B) Platelets
(C) Red Blood Cells
(D) None of the above
What is the weight of the average human brain
(A) 1.2 to 1.4 Kg
(B) 1.4 to 1.8 Kg
(C) 2.1 to 2.8 Kg
(D) 3.1 to 3.4 Kg
Telephone was invented by__________
(A) Vint Cerf
(B) Charles Babbage
(C) Edison
(D) Alexander Graham Bell
The Sun is at an average distance of about________ million kilometers away from Earth
(A) 100 million
(B) 150 million
(C) 200 million
(D) 250 million