Question

Radioactive isotopes are used in:

• A. industrial field
• B. agriculture
• C. medical science
• D. food preservation

Answer 1

Answer: (A), (B), (C), (D)

The correct options are
A industrial field
B agriculture
C medical science
D food preservation

Radioactive isotopes are used in various fields such as scientific research, agriculture, industry, medicine, food preservation, etc. For example:

• Krypton-85 is used in high intensity discharge lamp in industry.
• Strontium-90 is used as a tracer in the research on crops.
• Cobalt-60 is used for food preservation.
• Boron-10 is used in tumour detection.