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

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

263. The good sources of iodine are_______?

A. green leafy vegetables
B. seeds
C. fresh vegetables and fruits
D. sea foods

264. The gas, commonly known as “laughing gas”, is
A. Carbon Dioxide
B. Sulfur Dioxide
C. Nitrous Oxide
D. Sodium Oxide

265. The source of oxygen in photosynthesis is
A. water
B. salts
C. minerals
D. glucose

266. The instrument used to measure wind speed is?
A. Anemometer
B. Barometer
C. Hydrometer
D. Hygrometer

267. The natural fats and oils are composed of_________?
A. Carbon, Hydrogen and Oxygen
B. Carbon, Hydrogen and Nitrogen
C. Carbon, Oxygen and Nitrogen
D. Hydrogen, Oxygen and Nitrogen

268. The energy value of food is measured in_______?
A. Joule
B. Calories
C. Tesla
D. Proteins

269. Wind energy is the __________ energy.
A. Potential
B. Transverse
C. Kinetic
D. Mechanical

270. Who is considered the founder of meteorology?
A. Aristotle
B. Plato
C. Einstein
D. Newton