Tag: biogeochemical cycle

Questions Related to biogeochemical cycle

In a volume of air near the earth's surface, _____________ occupies 78 percent and _____________ nearly 21 percent.

  1. Nitrogen, oxygen

  2. Hydrogen, oxygen

  3. Oxygen, hydrogen

  4. Nitrogen, water vapor


Correct Option: A

Impurities in paper absorb $SO _{2}$, converting it into

  1. $H _{2}S$

  2. $H _{2}SO _{4}$

  3. Lead

  4. PAN


Correct Option: B

$SO _{2}$  is converted to sulphuric acid in presences of

  1. Oxygen and Moisture

  2. Carbon dioxide

  3. Water and Oxygen

  4. Air and sunlight


Correct Option: A

What does sulphur and nitrogen form with water in atmosphere?

  1. Snow

  2. Rain

  3. Wet Deposition

  4. Air pollution


Correct Option: C

Water from springs contain dissolved _____________ compounds which are used to cure some skin diseases.

  1. Nitric

  2. Carbon

  3. Oxide

  4. Sulphur


Correct Option: D

What makes a Leather weak and disintegrates?

  1. Nox

  2. $SO _{2}$

  3. $CO$

  4. $CO _{2}$


Correct Option: B

70% of sulphur dioxide comes from:

  1. Industries

  2. Coal power plants

  3. Vehicles

  4. Domestic cooking


Correct Option: B

What does smoke and water form?

  1. Sulfur dioxide

  2. Sulphuric acid mist

  3. Nitrogen oxide

  4. Carbon dioxide


Correct Option: B

What is chemosynthetic microbes?

  1. Sulphur oxidizing bacteria

  2. Blue green bacteria

  3. Rod-shaped bacteria

  4. Spiral-shaped bacteria


Correct Option: A

Deterioration of leather and paper is caused by

  1. Sulphur dioxide

  2. APN

  3. PAN

  4. Lead


Correct Option: A