Which is the second largest component in milk?
A. Protein
B. Fat
C. Vitamin
D. None of these
A. Protein
B. Fat
C. Vitamin
D. None of these
Vitamin A is found in the____________?
A. Green vegetables
B. white vegetables
C. Yellow vegetables
D. Red vegetables
On May 14, 1796, Jenner took fluid from a cowpox blister and scratched it into the skin of James Phipps, an eight-year-old boy. A single blister rose up on the spot, but James soon recovered. On July 1, Jenner inoculated the boy again, this time with smallpox matter, and no disease developed. The vaccine was a success.
A. methane
B. ethane
C. hydrogen
D. butane
A. Zn(OH)2
B. ZNO2
C. Zn2(OH)3
D. ZnOH
A. Pollution
B. Prevention of ultraviolet rays
C. Trapg of Solar energy due to atmospheric carbon dioxide
D. D. None
The greenhouse effect is the problem caused by increased quantities of gases such as carbon dioxide in the air. These gases trap the heat from the sun, and cause a gradual rise in the temperature of the Earth’s atmosphere.
A. Anaemia
B. Leukaemia
C. Haemophilia
D. Diarrhoea