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Question #47695
The Question
In the context of microbial applications in human welfare, both Baculoviruses (genus Nucleopolyhedrovirus) and Cyclosporin A (derived from Trichoderma polysporum) are highly valued. Which of the following statements accurately contrasts their functional specificity and cellular targets?
Options
- A.
Baculoviruses exhibit narrow-spectrum insecticidal action by targeting specific arthropod cells, whereas Cyclosporin A acts systemically in humans by suppressing T-cell mediated immune responses.
- B.
Baculoviruses act as broad-spectrum biopesticides that lyse the midgut of all insect pests, whereas Cyclosporin A is a narrow-spectrum agent that selectively destroys foreign graft antigens.
- C.
Baculoviruses protect crops by inducing systemic acquired resistance in plants, whereas Cyclosporin A acts as a competitive inhibitor of cholesterol synthesis in transplant patients.
- D.
Both agents are narrow-spectrum; Baculoviruses specifically inhibit insect chitin synthesis, while Cyclosporin A specifically inhibits B-lymphocyte maturation in the bone marrow.
Check Your Answer
Correct Answer
Step-by-Step Solution
Explanation
How the Examiner Thinks
Regulatory_Failure
Understand how NOT, EXCEPT, and logical constraints are used to manipulate exam results.
Concepts Behind This Question
Cyclosporin A Immunomodulation|Metastasis|Allergy Mechanism
Why This Question Is Tricky
Common Mistakes
Conceptual Pivot: Distinguishing between the ecological specificity of a biocontrol agent (narrow-spectrum, non-target safe) and the pharmacological mechanism of a bioactive molecule (systemic immunosuppression).
The trap relies on students confusing 'narrow-spectrum' vs 'broad-spectrum' applications, and mixing up the specific cellular targets of Cyclosporin A (T-cells) with Statins (cholesterol) or B-cells.
Quick Facts About This Question
Question Information
| Subject | Biology |
| Chapter | Microbes in Human Welfare - Class 12 |
| Concept | Cyclosporin A Immunomodulation |
| Difficulty | 8 |
| Cognitive Load | 5 |
| Target Solve Time | 120 sec |
| Access | Free |