3971: Micro-elements needed to increase soil fertility are:
(a) Nitrogen, hydrogen and calcium
(b) Nitrogen, phosphorus and potassium
(c) Iron, calcium and potassium
(d) Manganese, copper and zinc
3972: Assertion (A) :
Formic acid is a stronger acid than acetic acid.
Reason (R):
Formic acid is an organic acid.
(a) Both A and R are true, and R is the correct explanation of A
(b) Both A and R are true, but R is NOT a correct explanation of A
(c) A is true, but R is false
(d) A is false, but R is true
3973: Which one of the following is the national aquatic animal of India?
(a) Saltwater crocodile
(b) Olive ridley turtle
(c) Gangetic dolphin
(d) Gharial
3974: On which of the following can you find the Bureau of Energy Efficiency Star Label?
1. Ceiling fans
2. Electric geysers
3. Tubular fluorescent lamps
Select the correct answer using the code given below.
(a) 1 and 2 only
(b) 3 only
(c) 2 and 3 only
(d) 1, 2 and 3
3975: According to the Constitution of India, which of the following are fundamental for the governance of the country?
(a) Fundamental Rights
(b) Fundamental Duties
(c) Directive Principles of State Policy
(d) Fundamental Rights and Fundamental Duties