3986: Main constituents of Biogas are:
(a) Methane and Carbon dioxide
(b) Ethylene and Carbon dioxide
(c) Butane and Carbon monoxide
(d) Methane and Carbon monoxide
3987: Athlete's Foot is a disease caused by
(a) Bacteria
(b) Fungus
(c) Protozoan
(d) Nematode
3988: Assertion (A) :
The temperature of a metal wire rises when an electric current is passed through it.
Reason (R):
Collision of metal atoms with each other releases heat energy.
(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
3989: Which one of the following is the largest (areawise) Lok Sabha constituency?
(a) Ladakh
(b) Kangra
(c) Kachchh
(d) Bhilwara
3990: Which one of the following pairs is NOT correctly matched?
Project : Company
(a) Integrated Steel Plant at Jaipur (Orrisa) - Steel Authority of India
(b) Power Plant at Jamnagar (Gujarat) - Essar Power
(c) Nabinagar Power Plant (Bihar) - Indian Railways
(d) Kayamkulom Power Plant (Kerala) - National Thermal Power Corporation