Which of the following plant micronutrients is involved in the electron transport in photosynthesis?
(a) Manganese
(b) Molybdenum
(c) Copper
(d) None of these
Bamboo is a:
(a) Grass
(b) Herb
(c) Shrub
(d) None of these
The number of bones in the human body is approximately:
(a) 210
(b) 250
(c) 206
(d) Not fixed
Insulin was discovered by:
(a) Alexander Fleming
(b) Edmond Fisher
(c) Dr. F.G. Banting
(d) John Napier
Citrus fruits are considered rich in:
(a) Vitamin A
(b) Vitamin D
(c) Vitamin E
(d) Vitamin C
Poor night vision is because of the lack of:
(a) Vitamin A
(b) Vitamin B
(c) Vitamin D
(d) Vitamin E
Which of the following is the lightest gas?
(a) Nitrogen
(b) Hydrogen
(c) Ammonia
(d) Carbon dioxide
The shortest day is:
(a) 25 December
(b) 22 December
(c) 15 June
(d) 22 June
Which of the following is the lightest metal?
(a) Mercury
(b) Silver
(c) Lithium
(d) Lead
The element present in the largest amount in rocks and minerals is:
(a) Carbon
(b) Silicon
(c) Hydrogen
(d) Aluminium