Possibilities of the presence of coal in a particular area can be guessed by the study of

Match the following plants with their respective families:

Name of the plant	Family
$(1)$ Cotton	$(I)$ Tiliaceae
$(2)$ Sisal hemp	$(II)$ Malvaceae
$(3)$ Patua	$(III)$ Agavaceae
$(4)$ Munj	$(IV)$ Gramineae (Poaceae)
$(5)$ Jute	$(V)$ Malvaceae (Note: Jute belongs to Tiliaceae)

Select the correct matching sequence.

The opium of commerce is obtained from the poppy plant as:

Which of the following is a general homeopathic medicine used for general debility, chronic rheumatism, intermittent fevers, diarrhoea, hysteria, hydrophobia, and cholera?

Which of the following are the wild relatives of the cultivated rice?

What are multipurpose trees? Give the botanical and local names of any two multipurpose trees known to you and list their uses.