The light of the sun takes about _______ minutes to reach us.
- (A)Â Two
- (B)Â Five
- (C)Â Eight
- (D)Â Ten
- (C)Â Eight
Light travels at the rate of about _______ miles per second.
- (A)Â 50,000
- (B)Â 75,000
- (C)Â 186,282
- (D)Â 196,000
- (C)Â 186,282
Average male brain weight is _______ ounces.
- (A)Â 44
- (B)Â 47
- (C)Â 56
- (D)Â 49
- (D)Â 49
Average female brain weight is _______ ounces.
- (A)Â 44
- (B)Â 47
- (C)Â 49
- (D)Â 58
- (A)Â 44
Total number of bones in the human body is:
- (A)Â 98
- (B)Â 158
- (C)Â 176
- (D)Â 206
- (D)Â 206
Sea-horse is the name of a:
- (A)Â Horse specie
- (B)Â Fish
- (C)Â Sea lion
- (D)Â Sea snake
- (B)Â Fish
Which is the best conductor of electricity?
- (A)Â Copper
- (B)Â Iron
- (C)Â Silver
- (D)Â Steel
- (C)Â Silver
The uncharged particle in an atom is called:
- (A)Â Proton
- (B)Â Electron
- (C)Â Neutron
- (D)Â Molecule
- (C)Â Neutron
The lightest gas is:
- (A)Â Hydrogen
- (B)Â Oxygen
- (C)Â Neon
- (D)Â Helium
- (A)Â Hydrogen
Blood cells are produced by _______of the body.
- (A)Â Liver
- (B)Â Heart
- (C)Â Spleen
- (D)Â Bone-marrow
- (D)Â Bone-marrow