431. Which Vitamin gets destroyed on heating?
A. B
B. E
C. K
D. C

432. Cow milk is a rich source of____________?
A. vitamin C
B. vitamin B
C. vitamin A
D. vitamin K

433. Which of the following vitamins is synthesized in the body by intestinal bacteria_______?
A. Vitamins B1
B. Vitamins B12
C. Vitamins E
D. Vitamins K

434. Mercury is also known as_________?
A. Shine Silver
B. Quick Silver
C. Slow Silver
D. Slippery Silver

435. what kind of soil is treated with gypsum to make it suitable for cropping______?
A. Alkaline
B. Acidic
C. Waterlogged
D. Soil with excessive clay content

436. Phobos is the natural satellite of which planet__________ ?
A. Mars
B. Venus
C. Saturn
D. Neptune

437. Galvanised Iron sheets have a coating of____________
A. Tin
B. Silver
C. Zinc
D. Chromium

438. Spinach leaves are rich source of________
A. Amino acid
B. Iron
C. Vitamin E
D. Carotene

439. Which pollutant from motor car exhaust causes mental disease _____?
A. Carbon dioxide
B. Lead
C. Sulphur Dioxide
D. Mercury

440. The ratio of pure gold in 18 carat gold is _______________?
A. 0.5
B. 0.9
C. 0.8.5
D. 0.75

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