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The secondary metabolites belonging to s...

The secondary metabolites belonging to same category are
a. abrin
b. vinblastine
c. rubber
d. ricin
e. - carotenoids

A

a, b only

B

a, b, c only

C

a, d only

D

a, c, e only

Text Solution

AI Generated Solution

The correct Answer is:
To solve the question regarding which secondary metabolites belong to the same category, we can follow these steps: ### Step 1: Understand Secondary Metabolites Secondary metabolites are organic compounds that are not directly involved in the normal growth, development, or reproduction of an organism. They often play a role in plant defense mechanisms, pollinator attraction, and other ecological functions. ### Step 2: Analyze Each Option - **a. Abrin**: A toxic protein found in the seeds of the castor oil plant (Ricinus communis). It is a type of lectin and acts as a proteinaceous toxin. - **b. Vinblastine**: A chemotherapeutic agent derived from the periwinkle plant (Catharanthus roseus). It is used to treat various types of cancer by inhibiting cell division. - **c. Rubber**: A natural polymer produced by certain plants (especially from the rubber tree, Hevea brasiliensis). It is not a toxic compound and serves as a protective material. - **d. Ricin**: Another toxic protein derived from the seeds of the castor oil plant, similar to abrin. It is also a lectin and acts as a potent toxin. - **e. Carotenoids**: Pigments found in plants that provide colors such as red, orange, and yellow. They play a role in photosynthesis and attracting pollinators. ### Step 3: Identify Similarities From the analysis: - **Abrin (a)** and **Ricin (d)** are both toxic proteins derived from the seeds of the castor oil plant and belong to the same category of secondary metabolites (lectins). - **Vinblastine (b)** is a chemotherapeutic drug but does not belong to the same category as abrin and ricin. - **Rubber (c)** is a natural polymer and does not fit into the same category as the others. - **Carotenoids (e)** are pigments and are also not in the same category as abrin and ricin. ### Step 4: Conclusion The two secondary metabolites that belong to the same category are **Abrin (a)** and **Ricin (d)**. ### Final Answer The correct answer is **A and D**. ---
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