Question

Answer in short (any 7)
1) List 2 ways in which plastics affect animals.
2) Plastics are not environment friendly. Why?
3) Why is weeding needed for good and healthy crop?
4) Organic manure is considered better than fertilizers. Why?
5) Name 2 plant and animals’ diseases and give their causative organisms.
6) List 4 measures to avoid the spread of diseases like malaria and dengue.
7) Name the synthetic fibre which resembles wool. Give 2 advantages of it over natural wool.
8) Give 2 difference between thermoplastic & thermosetting plastics.
9) Give 2 difference between manure and fertilizer.

Answer 1

Explanation:

List 2 ways in which plastics affect animals.