(A) Digestive
(B) Nervous
(C) Excretory
(D) Respiratory
Between earth and mercury there is __ planet?
(A) Jupiter
(B) Venus
(C) Neptune
(D) None of the above
Which is the brightest planet?
(A) Neptune
(B) Mercury
(C) Venus
(D) Jupiter
Sunlight has how many colours?
(A) 2
(B) 4
(C) 6
(D) 7
The speed of sound rises as the temperature?
(A) Decreases
(B) Increases
(C) Remain uniform
(D) All of the above
Which is naturally activated from the following?
(A) Thorium
(B) Radium
(C) Platinium
(D) None of the above
Electron have?
(A) Positive charge
(B) Negative charge
(C) Neutral
(D) None of the above
Proton have?
(A) Positive charge
(B) Negative charge
(C) Neutral
(D) None of the above