Question
Which of the following is used to uniquely identify a
record in a database table?Solution
"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."
Which of the following insect orders contains species that are exclusively parasitic in behavior?
In north India, sugarcane is mostly used with how many buds?
Which one of the following crops requires highest amount of calcium?
Which female hormone is produced by the corpus luteum favoring the implementation of embryo?
In dryland agriculture, which cropping technique helps in reducing the length of the growing season by overlapping the sowing of a succeeding crop into ...
Mawsynram, the place with the highest rainfall in India is located in:
Most important and productive wheat contributing zone is ______
Identify the accurate statement concerning barley.
Which among the following is a mycoherbicide
Growing different crops in association with each other on the same field at the same time is called ________cropping.
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