221. Which of the following pairs is NOT correctly matched?
Renneting-Cheese
Genetic Engineering- Plasmids
Golden rice-Vitamin A
Ozone layer-Troposphere
222. According to J.V. Narlikar, which of the following has so far NOT been considered as a science?
Astrology
Astronomy
Cosmology
Nanotechnology
223. Which of the following was invented by Wilhelm Roentgen?
Radio
X-ray Machine
Electric Bulb
None of the above
224. Double-helical structure of DNA was given by whom?
Jacob and Monod
Watson and Crick
H.G. Khorana
None of the above
12 Total Test
360 Total Question
Scientifically designed for PCS
A must have for Civil services aspirant
IAS PCS SCC and others
75 Total Test
2250 Total Question
Scientifically designed for PCS
A must have for Civil services aspirant
IAS PCS SCC and others
69 Total Test
2070 Total Question
Scientifically designed for PCS
A must have for Civil services aspirant
Timer for time management
