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NEETZoologyMicrobes in Human Welfare

An agricultural scientist recommends organism X to control butterfly caterpillars, organism Y to treat root-borne plant pathogens, and organism Z to enhance phosphorus uptake in phosphorus-deficient soils. Identify X, Y, and Z from the given options.

Options

  1. AX - Bacillus thuringiensis, Y - Trichoderma, Z - Glomus
  2. BX - Bacillus thuringiensis, Y - Glomus, Z - Trichoderma
  3. CX - Baculoviruses, Y - Trichoderma, Z - Rhizobium
  4. DX - Bacillus thuringiensis, Y - Trichoderma, Z - Rhizobium

Correct answer

A. X - Bacillus thuringiensis, Y - Trichoderma, Z - Glomus

Step-by-step solution

Bacillus thuringiensis is a microbial biocontrol agent used specifically to control butterfly caterpillars. Trichoderma species are free-living fungi common in root ecosystems that act as effective biocontrol agents against several plant pathogens. Glomus is a genus of fungi that forms symbiotic mycorrhizal associations with plants, specifically helping in the absorption of phosphorus from the soil. Rhizobium fixes nitrogen rather than absorbing phosphorus, and Baculoviruses are insect pathogens but Bacillus thurin

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