(A) Lead oxide
(B) Lead
(C) Zinc
(D) Manganese dioxide
Drinking soda is?
(A) Neutral
(B) Acidic
(C) Oxidant
(D) Alkaline
Polymeric substance used to make parachute is?
(A) Cotton
(B) Viscose
(C) Rayon
(D) Terylene
Virus is?
(A) Nucleic acid and protein
(B) Protein and lipid
(C) Lipid and carbohydrate
(D) None of the above
Element that is in highest percentage in the composition of the earth?
(A) Magnesium
(B) Oxygen
(C) Iron
(D) Silicon
Most suitable vessel for storing concentrated sulphuric acid is?
(A) Aluminium vessel
(B) Copper vessel
(C) Earthen vessel
(D) Glass vessel
Theory of mutation was propounded by?
(A) Pasteur
(B) Robert Hooke
(C) Malpighi
(D) De-Vries
Which country launches new weather forecasting satellite into space?
(A) Japan
(B) Russia
(C) India
(D) China