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प्रश्न
A total of ______ nutrients are essential to plants.
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उत्तर
A total of 16 nutrients are essential to plants.
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संबंधित प्रश्न
What is pasturage?
For increasing production, what is common in poultry, fisheries and bee-keeping?
Explain the role of workers in a bee colony.
Which one of the following is an Italian species of honey bee?
Say true or false. If false, correct the statement.
Apis florea is a rock bee.
Assertion: Nuptial flight is a unique flight taken the queen bee followed by several drones.
Reason: The queen bee produces a chemical substance called pheromone. The drones in that area are attracted to the pheromone and then mating takes place.
Define cross-breeding.
An Italian bee variety A. mellifera has been introduced in India for honey production. Write about its merits over other varieties.
Discuss why pesticides are used in very accurate concentrations and in a very appropriate manner?
______ is an enzyme present in Honey.
