The correct option is C All of these
Gossypium
hirsutum, also known as upland cotton or
Mexican cotton. It is the most widely planted species of cotton in the United
States, constituting some 95% of all cotton production there. It includes several varieties or cross-bred cultivars with
varying fibre lengths and tolerances to many growing conditions. It is one of
the economically important plants in Malvaceae.
Hibiscus
cannabinus, genus Hibiscus is probably native to southern Asia, though its exact natural origin is
unknown. The name also applies to the fibre obtained from this plant. Kenaf is one of the allied fibres of jute and shows similar
characteristics. It yields fibre, seed oil and paper. So, it is one of the
economically important plants of Malvaceae.
Okra (Abelmoschus
esculentus), known in many English-speaking countries, ladies' fingers, bhindi,
bamia, ochre or gumbo is a flowering plant in the mallow family. It is valued
for its edible green seeded fruit. It is one of the economically important plants
of Malvaceae.
So, the
correct answer is option D.