MHT CET Medical202624 April 2026Morning ShiftBiologyMicrobes in Human WelfareActual
Which one of the following pair is INCORRECTLY matched?
Options
- APhosphate Solubilizing bio fertilizer — Agrobacterium
- BSymbiotic nitrogen fixing microbe — Frankia
- CNon symbiotic nitrogen fixing microbe — Beijerinkia
- DFree living mycoherbicide — Bacillus thuringiensis
Correct answer
D. Free living mycoherbicide — Bacillus thuringiensis
Step-by-step solution
Bacillus thuringiensis is a bacterium used as a bioinsecticide to control insect pests (such as butterfly caterpillars). It is not a mycoherbicide. Mycoherbicides are fungi used to control weeds (e.g., Phytophthora palmivora ). Agrobacterium species are known to act as phosphate solubilizing bacteria (PSB). Frankia is a symbiotic nitrogen-fixing microbe found in the root nodules of non-leguminous plants like Alnus . Beijerinckia is a free-living (non-symbiotic) aerobic nitrogen-fixing bacterium. Therefore, the inco