4. List two examples of each :-
(a) Fertilizer (b) pesticides (c) insecticides (d) Fungicides (e) Hybrid variety of paddy (f) Hybrid variety of
wheat (g) Genetical engineering (h) weedicides
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In organic fertilizers- sodium nitrate, nitrogen
organic fertilizers- slurry,green manure
pesticides-Glyphosate,Acephate
insecticides- lindane, chlorobenzilate
fungicides-sulfur, mancozeb
hybrid variety of paddy-Hetrosis, hybrid vigor Not sure
Hybrid variety of wheat-? don't know
genetical engineering-? don't know
weedicides- 2,4-D Ethyl ester, Neem extract
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Explanation:
(a) Fertilizer
- Urea
- Ammonium Nitrate
(b) pesticides
- pyrethrin
(c) insecticides
- methoxychlor
- cyclodiene
(d) Fungicides
- benomyl
- Metalaxyl
(e) Hybrid variety of paddy
(f) Hybrid variety of wheat
(g) Genetical engineering
(h) weedicides
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