Primary and Secondary Metabolites
Primary and Secondary Metabolites: Overview
This topic covers concepts, such as, Metabolites, Primary Metabolites & Secondary Metabolites etc.
Important Questions on Primary and Secondary Metabolites
Essential oils are those which

How many of the given biomolecules in box are secondary metabolites?
Concanavalin A, GLUT-4, Collagen, Cellulose, Vinblastin, Scents, Codeine, Ricin, Trypsin, Insulin |

Fill in the blanks in the below statements.
A. A multistep chemical reaction, when each of the steps is catalysed by the same enzyme complex or different enzymes is called _____1_____ a pathway.
B. In our skeletal muscle, under anaerobic conditions, _____2_____ is formed.
C. In yeast, during fermentation, the glycolytic pathway leads to the production of _____3_____.

Match the columns.
Column-I (Category) | Column-II (Secondary metabolites) | ||
(A) | Pigments | (1) | Concanavalin A |
(B) | Terpenoids | (2) | Monoterpenes, Diterpenes |
(C) | Alkaloids | (3) | Morphine, Codeine |
(D) | Lectins | (4) | Carotenoids, Anthocyanin |
(E) | Toxins | (5) | Abrin, Ricin |
(F) | Drugs | (6) | Vinblastine, Curcumin |

Which of the following are pigments?

Which one of the following is secondary metabolite?

Plants produce an enormous diversity of substances that have no apparent roles in growth and development processes and are classified under the heading of


Which of the following is not an example of primary metabolite?

_____ (Amino acids/Antibiotics) are the examples of primary metabolites.

Which of the following is/are example/s of metabolites?

Rubber, tannin, resins, etc., are examples of metabolites in plants.


The metabolites are classified into

Amino acid is an example of secondary metabolite.

Green potatoes are toxic due to


Laticiferous vessels instead of laticiferous cells are found in

Caffeine containing drinks are:

Which one of the following molecules is a secondary metabolite?
