251. What is Dry Ice?
A. Solid Oxygen
B. Solid Carbon Dioxide
C. Solid Hydrogen
D. Solid Nitrogen

252. Digestion of food is completed in the __________?
A. small intestine
B. large intestine
C. stomach
D. Liver

253. Carrot is good source of Vitamin _______?
A. Vitamin A
B. Vitamin B
C. Vitamin C
D. Vitamin D

254. For proper formation of teeth, __________ is essential?
A. iodine
B. copper
C. fluorine
D. iron

255. Deficiency of __________ causes loss of appetite and poor growth?
A. zinc
B. iodine
C. copper
D. iron

256. Meteorology is the study of?
A. Seasons
B. Atmosphere
C. Air and sounds
D. Winds and clouds

257. The Carbon Dioxide in the atmosphere, by volume, is_______?
A. 0.039%
B. 3.9%
C. 13%
D. 30%

258. Diamond is an allotropic form of_______?
A. Carbon
B. Hydrogen
C. Nitrogen
D. Silicon

259. The SI unit of Heat is________?
A. Watt
B. Volt
C. Joule
D. Newton

260. The good sources of Vitamin-A are?
A. green leafy vegetables
B. seeds
C. fresh vegetables and fruits
D. sea foods

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