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"A Primary Key uniquely identifies each record in a database table. It ensures no two records have the same value in the specified field. A table can have only one primary key. Primary keys cannot contain NULL values. Used for indexing and referencing."
The bond order and magnetic behavior of Oˉ ₂ ion are, respectively:
Match the following:
‘Centering’. The first cut on a young tea plant is at which of the following:
Which one of the following is the crop response curve to applied fertilizer?
Nutrient that is deficient in arid soil?
Yellow vein mosaic disease of okra is a viral disease.
Which of the following insects spreads the disease?
In the following given options, What is the importance of mitosis cell division?
Name the famous Physiologist/Scientist associated with the study of loss of water from plant:
Which herbicide is suggested for controlling weeds in clusterbean?
The optimum crop combination for strip cropping
