UPSC CSE Prelims
Question 9
Consider the following kinds of organisms:
- Bacteria
- Fungi
- Flowering plants
Some species of which of the above kinds of organisms are employed as biopesticides?
View correct answer and explanation
Correct answer: D
Correct Option: D
Explanation: Biopesticides can be derived from microorganisms as well as pesticidal plants.
Statement/Item-wise Analysis:
1: Correct - Bacillus thuringiensis and other bacteria control agricultural pests.
2: Correct - Entomopathogenic fungi such as Beauveria are biocontrol agents.
3: Correct - Flowering plants such as neem yield botanical pest-control products.
Option-wise Analysis:
A: Incorrect - omits correct items 2, 3.
B: Incorrect - omits correct item 1.
C: Incorrect - omits correct item 2.
D: Correct - includes exactly the valid statements/items and excludes the invalid ones.