Question

517/2019
HOLIDAY'S HOMEWORK - Google Docs
Q2. State True or False:
Cells of root nodules of leguminous plants fix nitrogen.
Grass growing in a wheat field is weed.
Excess use of fertilizers is not good for crop and soil.
Fertilizers are environmental friendly.
Cholera is a communicable disease.
Tuberculosis, smallpox and hepatitis can be prevented by vaccination
Mode of transmission of rust of wheat disease in plants is air and seeds
Algae is an important ingredient when for the preparation of id batter.
Antibiotics are effective against cold and flu.
Melamine is a type of thermosetting plastic.
Plastic is lighter than metal.
Polymers the small units used in making synthetic fibers.
13. Flax is a synthetic fiber.
14. Thermoplastics are hard and brittle.
15. Thermoplastic can be softened on heating and moulded repeatedly,
16. Paper is a biodegradable material.
Non din 6 i 0 ai
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Answer 1

Answer:

hey here,z ur ans

(1) True

(2)True

(3)True

(4)False

(5)False

(6)True