Ozone Layer Depletion Multiple Choice Questions (MCQ) PDF - 8

MCQ 36: The name of extremely effective fire extinguishing agent is

1. helium
2. halon
3. halogens
4. argon

MCQ 37: The height of mesosphere which lies after the troposphere is

1. 70 to 75 km
2. 75 to 80 km
3. 80 to 85 km
4. 85 to 90 km

MCQ 38: Phospholipids bilayer is also known as

1. filopodia membrane
2. fluid mosaic membrane
3. mosaic cell wall
4. cytolysis wall

MCQ 39: An American theoretical physicist won the Nobel Prize for proposing

1. nuclear shell model
2. charge coupled device
3. electroweak unification
4. electron affinity

MCQ 40: The 'Asteroids' that are made up of silicate rocks and clay are known as

1. C-type asteroids
2. M-type asteroids
3. S-type asteroids
4. R-type asteroids