Q. What is the 'non-stick' substance used in cookwares?
1) Polymono Chlorotrifluoroethylene
2) Polymethyl Methacrylate
3) Polyacrylonitrile
4) Polytetrafluoroethylene
Q. In which organ of the body is the red blood corpuscle made?
1) Liver
2) Bone marrow
3) Kidneys
4) Heart
Q. A GM counter is used for detecting -
1) Underground oil
2) Coal
3) Radioactivity
4) Mehane gas
Q. What is the main constituent of 'Gobar Gas' (biogas)?
1) Hydrogen
2) Carbon monoxide
3) Acetylene
4) Methane
Q. The edible potato is the modified form of which part of the plant?
1) Roots
2) Stem
3) Flower
4) None of these
Q. The gas used for cooking (LPG) is chiefly a mixture of-
1) Methane and carbon monoxide
2) Hydrogen and nitrogen
3) Butane and propane
4) Propane and nitrogen
Q. Why does a foul smell emanate from some ponds, tanks, etc.?
1) Pesticides and other organic chemicals reach the water body and kill off fishes, etc., living therein, causing the foul smell
2) Fertilizers used in farming reach the water body and give rise to excessive growth of aqueous plants. When these plants die, excessive growth of aqueous plants. When these plants die, excessive quantities of organic matter are collected, depleting dissolved oxygen and causing foul smell
3) Household wastes contain small quantities of mercury, cadmium, copper, zinc, etc., which pollute the water bodies, causing the death of fishes and other aquatic organisms and leading to foul smell
4) None of the above
Q. Who founded the Chalukya dynasty in South India?
1) Harihara
2) Pulakesin
3) Parantaka
4) Bukka
Q. Who was the first woman ruler of India?
1) Nurjahan
2) Razia Sultan
3) Chandbibi
4) Durgavati
Q. Government of India calendars show dates both in Christian era (AD) and Saka era. In which year did the Saka era start?
1) 150 BC
2) 130 BC
3) 56 BC
4) AD BC
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