UPSC Government Jobs Exams

Given below are the names of four energy crops. Which one of them can be cultivated for ethanol? [UPSC 2010 (CS-P)]

Jatropha
Maize
Pongania
Sunflower

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UPSC Other Question

From the point of view of evolution of living organisms, which one of the following is the correct sequence of evolution? [UPSC 2010 (CS-P)]

Otter - Tortoise - Shark
Shark - Tortoise - Otter
Tortoise - Shark - Otter
Shark - Otter - Tortoise Hydrogen fuel cell vehicles produce one of the following as “exhaust”.[UPSC 2010 (CS-P)]

NH3
CH4
H2O
H2O2