431. Which Vitamin gets destroyed on heating?
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______?
D. Soil with excessive clay content
436. Phobos is the natural satellite of which planet__________ ?
437. Galvanised Iron sheets have a coating of____________
438. Spinach leaves are rich source of________
A. Amino acid
C. Vitamin E
439. Which pollutant from motor car exhaust causes mental disease _____?
A. Carbon dioxide
C. Sulphur Dioxide
440. The ratio of pure gold in 18 carat gold is _______________?