Match the following and choose the correct combination from the options given.

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Solution

Anabaena- Bio fertilizer
A biofertilizer is a substance which contains living microorganisms which, when applied to seed, plant surfaces, or soil, colonizes the rhizosphere or the interior of the plant and promotes growth by increasing the supply or availability of primary nutrients to the host plant. Bio-fertilizers add nutrients through the natural processes of nitrogen fixation, solubilizing phosphorus, and stimulating plant growth through the synthesis of growth-promoting substances. For example- Anabaena.
Nicotine- Natural insecticide
Tobacco, used on a small scale as a natural organic pesticide for hundreds of years, is getting new scientific attention as a potential mass-produced alternative to traditional commercial pesticides.
Phytophthora palmivora- Bioherbicide
Phytophthora palmivora causes bud-rot of palms, fruit-rot, or kole-roga of coconut and arecanut. It acts as a bioherbicide.
Pheromones- Insect hormones
A pheromone is a chemical an animal produces which changes the behaviour of another animal of the same species (animals include insects). Some describe pheromones as behaviour-altering agents.

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