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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."
Training Rural Youth for Self Employment (TRYSEM) was launched by the Government of India in:
Proctolin is secreted by which glands in insects?
The areas suffering from non-availability of ground water due to over exploitation are popular referred to as which of the following?
Which one of the following is a neutral fertiliser?
The World Meteorological Day is held annually on____
Monocotyledons flowers do not have distinct sepals or petals. The combined petals and sepals found in them are called
Frame-shift mutation is caused by:
In which soil structure infiltration, permeability and aeration are good
The ratio of organic carbon to organic matter in soil is
Which intercrop is suggested for Mulberry cultivation, providing additional revenue and weed control?
