Bioactive molecule, cyclosporin A, that is used as an immunosuppressive agent in organ-transplant patients, is produced by the fungus -
Answer & explanation
Correct answer: option 4
The correct answer is Option (4) → Trichoderma polysporum
Option (1) Glomus — Incorrect. Glomus is a fungus that forms mycorrhiza with plant roots and passes phosphorus from the soil to the plant.
Option (2) Monascus purpureus — Incorrect. This yeast makes statins, which lower blood cholesterol.
Option (3) Streptococcus — Incorrect. This bacterium gives streptokinase, the ‘clot buster’ used to remove clots from blood vessels. It is a bacterium, not a fungus.
Option (4) Trichoderma polysporum — Correct. This fungus makes cyclosporin A.
Note: A similar question was also asked in CUET (UG) 2025 on 02-06-2025 (Slot 2) and on 27-05-2025 (Slot 2).
NCERT Extract:
Chemicals, Enzymes and Other Bioactive Molecules – …
