Sulphate is cahnged to elemental sulphur by Aerobacter-Desulphovibrio, Element takes part in both gaseous and sedimentary biogeochemical cycle Sulphur

Home >> Online-Test >> Biology >> Biosphere

Free Online Mock Biology Multiple Choice Test on Biosphere

Sub Category : Biosphere	Test : 3	Time Left :
1.Which of the following is component of reservoir pool?
(1) Metal phosphates (2) Nitrogen gas of atmosphere (3) Oxygen gas of atmosphere (4) (1) + (2)
1 2 3 4
2.Which of the following element takes part in both gaseous and sedimentary biogeochemical cycle
(1) Calcium (2) Carbon (3) Sulphur (4) Nitrogen
1 2 3 4
3.The total world precipitation amounts of
(1) 2.26 Ã- 10power10 G per year (2) 4.46 Ã- 10power20 G per year (3) 2.26 Ã- 10power20 G per year (4) 4.46 Ã- 10power10 G per year
1 2 3 4
4.Which of the following element is released by the process of smelting? ?
(1) P (2) S (3) N (4) C
1 2 3 4
5.Sulphate is cahnged to elemental sulphur by ?
(1) Aerobacter (2) Desulphovibrio (3) Beggiotia (4) (1) + (2)

1 2 3 4
	2 3 4 5

Free Online Mock Biology Multiple Choice Test on Biosphere