Exercise

In the flowering plants, food is transported in the form of _____ (sucrose, glucose, starch).

Chemical formula of raffinose is _____.

(A) ${\mathrm{C}}_{18}{\mathrm{H}}_{32}{\mathrm{O}}_{16}$
(B) ${\mathrm{C}}_{18}{\mathrm{H}}_{36}{\mathrm{O}}_{18}$
(C) ${\mathrm{C}}_{16}{\mathrm{H}}_{32}{\mathrm{O}}_{16}$

Enter your correct answer as A, B or C.

Medicines are either man-made (i.e., synthetic) or obtained from living organisms like plants, bacteria, animals etc., and hence the latter are called natural products. Sometimes natural products are chemically altered by man to reduce toxicity or side effects. Write against the given drug whether it is initially obtained as a natural product or as a synthetic chemical. Fill in the blank with the correct option given within the brackets:

'Vitamin C' _____ (Synthetic chemical/ Natural product).

How is glucose prepared?

(i) in laboratory

How is glucose prepared?

(ii) on commercial scale

What are reducing and nonreducing sugars?

What are hormones? Give examples.

Give two difference between hormones and vitamins.