Top 1000 GK Questions for Competitive Exams
When a wave is intercepted by an article, the rays bend round the obstacle particle. The phenomenon is known as-
(A) Interference
(B) Diffraction
(C) Polarisation
(D) Total internal reflection
Correct Answer : B
Plant which does not bear flower but have seed–
(A) Orchides
(B) Gymnoperm
(C) Angiosperm
(D) Crytogamus
Correct Answer : B
Which one is known as magnetite-
(A) $$Fe_2O_3$$
(B) $$Fe_2O_3.3H_2O$$
(C) $$FeS_2$$
(D) $$Fe_3O_4$$
Correct Answer : D
Wine contains-
(A) $$ CH_3OH $$
(B) $$ C_2H_5OH $$
(C) $$ C_6H_5OH $$
(D) Glucose
Correct Answer : B
Rickets is caused due to the deficiency of-
(A) Vitamin A
(B) Vitamin B
(C) Vitamin C
(D) Vitamin D
Correct Answer : D
Which proteins is main constituent of milk?
(A) Casein
(B) Insulin
(C) Myosine
(D) Keratin
Correct Answer : A
Ethanol containing 5% water is known as-
(A) Absolute alcohol
(B) Dilute alcohol
(C) Power alcohol
(D) Rectified spirit
Correct Answer : D
Petroleum is found-
(A) On the surface of the earth
(B) In the atmosphere
(C) In arctic ocean
(D) Deep under the surface of the earth
Correct Answer : D
The chemical name of baking soda is
(A) Sodium carbonate
(B) Sodium bicarbonate
(C) Sodium chloride
(D) Sodium nitrate
Correct Answer : B
The metal always found in free state is__
(A) Gold
(B) Sodium
(C) Silver
(D) copper
Correct Answer : A