Download App

Pollution and its Effects on Climate and Environment — Biology STD 10 — Question

ICSE BoardEnglish MediumSTD 10BiologyPollution and its Effects on Climate and Environment1 Mark
MCQ
The primary source of chlorofluorocarbon is -
  • A
    Vehicular emissions
  • B
    Industrial effluents
  • C
    Domestic sewage
  • ✓
    Refrigeration equipments
✓

Answer

Correct option: D.
Refrigeration equipments
d

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 "MCQ" from Pollution and its Effects on Climate and Environment→Pollution and its Effects on Climate and Environment — all question types→Biology STD 10 question papers→ICSE Board STD 10 question papers→ICSE Board question paper generator→

Similar questions

Leukaemia involves ____________ blood cells.
→
The age restrictions for marriage for boys and girls by law in India is:
→
Wilting of plants occurs when ____________
→
Chromosomes largely consist of $.........$
→
The genetic diagram given below shows a monohybrid cross. B is the dominant allele and b is the recessive allele
Image

Which of the parents and offspring are heterozygous?
→
Mitosis results in
→
Hormone secreted by islets of Langerhans.
→
Choose the Odd One Out.
→
Mendel chose pea plant for his experiment because
→
Bowman's capsule is located in:
→