A) Malvaceae
B) Solanaceae
C) Cruciferae
D) Poaceae
Correct Answer: A
Solution :
The fibre yielding plants fulfil the second requirement of human beings, ie, clothing. Such plants are known to mankind since time immemorial. The flax was cultivated in Europe even in stone age. Botanically fibres are sclerenchymatous occurring in different parts of the plant. The longest fibre of Boehmeria nivea measures 55 cm in length. Most of the economically important fibre yielding plants belong to family-Malvaceae (eg, Gossypium, Hibiscus, Cannabinus, Abutilon theophrcisti, Abelmoschus esculentus, Hibiscus subdariffa, Urena lobata etc).
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