NEET Zoology Biomolecules Questions Solved


Go through the following statements-
A. Primary metabolites are biochemicals formed as intermediates and products of normal vital metabolic pathways of organisms
B. Plant tissues produce only secondary metabolites
C. Secondary metabolites have restricted distribution in the plant kingdoms only.
D. Secondary metabolites are derivatives of primary metabolites.
E. Many plants, fungi and microbes synthesise secondary metabolites.
F. No secondary metabolite has ecological importance.
G. We understand the role of all secondary metabolites in the host organisms.
H. Many secondary metabolites are of economic importance to us.
Which of the above statement are wrong?
(a) A, B, C are wrong                                (b) D, E, F are wrong
(c) A, D, E are wrong                                (d) B, C, F, G are wrong

Correction for wrong statements:-

B: Organic compounds such as amino acids, sugars, etc. in plants are known as primary metabolites. Besides this they contain secondary metabolites-  alkaloides, flavonoides, rubber, essential oils, antibiotics, coloured pigments, scents, gums, spices.

C: Secondary metabolites are found in plants, fungi and microbes.

F: Secondary metabolites function as defence against herbivores, microbes, et. and signal compounds to attract pollinating insects.

G: Currently, all the functions and roles of secondary metabolites are not known.

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