NEET Physics Questions and Answers - 2

Question: 6

The main constituents of pearl are

(A) Calcium oxide and ammonium chloride

(B) Ammonium sulphate and sodium carbonate 

(C) Aragonite and conchiolin

(D) Calcium carbonate and magnesium carbonate

Question: 7

Blood group of an individual is controlled by

(A) Haemoglobin

(B) Genes

(C) Shape of RBC

(D) Shape of WBC

Question: 8

In an ordinary dry cell, the electrolyte is

(A) Sulphuric acid

(B) Ammonium chloride

(C) Manganese dioxide 

(D) Zinc

Question: 9

The hardest substance available on earth is

(A) Platinum

(B) Gold

(C) Coal

(D) Diamond

Question: 10

Quartz crystals normally used in quartz clocks etc is chemically

(A) Sodium silicate

(B) Silicon dioxide

(C) Carbon dioxide 

(D) Germanium oxide