Which of the following are natural insecticid | vedclass

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(D) Natural insecticides are chemical compounds derived from plants that possess insecticidal properties.$(a)$ Rotenone is obtained from the roots of

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$(a), (b), (c)$ and $(d)$

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(D) Natural insecticides are chemical compounds derived from plants that possess insecticidal properties.$(a)$ Rotenone is obtained from the roots of the Derris plant.$(b)$ Pyrethrum is extracted from the flowers of Chrysanthemum cinerariifolium.$(c)$ Nicotine is an alkaloid found in the tobacco plant ($Nicotiana$ $tabacum$).$(d)$ Azadirachtin is a complex tetranortriterpenoid limonoid isolated from the neem tree ($Azadirachta$ $indica$).Since all four substances are derived from natural plant sources and act as insecticides,the correct answer is $(a), (b), (c)$ and $(d)$.

Which of the following are natural insecticides?
$(a)$ Rotenone $(b)$ Pyrethrum
$(c)$ Nicotine $(d)$ Azadirachtin

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Which of the following are natural insecticides?$(a)$ Rotenone $(b)$ Pyrethrum$(c)$ Nicotine $(d)$ Azadirachtin