Download App

Environmental Issues — BIOLOGY STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYEnvironmental Issues1 Mark
MCQ
Ozone$-$layer is getting depleted because of:
  • A
    Excessive use of automobiles.
  • B
    Excessive formation of industrial units.
  • ✓
    Excessive use of man made compounds containing both fluorine and chlorine.
  • D
    Excessive deforestation.
✓

Answer

Correct option: C.
Excessive use of man made compounds containing both fluorine and chlorine.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from Environmental Issues→Environmental Issues — all question types→BIOLOGY STD 12 Science question papers→Gujarat Board STD 12 Science question papers→Gujarat Board question paper generator→

Similar questions

Which of the following is incorrect in angiosperm?
→
What is true about cleavage in fertilized egg of human?
→
If the carbon atoms fixed by producers already have passed through three species, the trophic level of the last species would be:
→
The possible beneficial affect of grazing animals is the:
→
Which one of the following is not an abiotic component?
→
Density of human population is determined predominatly by
→
Which of the following is known as living fossil?
→
The type of conservation in which the threatened species are taken out from their natural habitat and placed in special setting where they can be protected and given special care is called
→
Gray crescent is the area.
→
The rate of production of biomass is called :
→