did (past indefinite) - Past perfect (had + V3)
Most critical stage of irrigation in wheat crop is:
What does IPM stands for?
In which type of flower does the margin of the thalamus grow upward and enclose the ovary completely, making the ovary inferior?
Edible part of Knol-Khol is
The optimum seed rate for the sowing of sesamum (Til) crop is:
During freeze drying removal of moisture occurs due to
Mutation term was coined by
Identify the correct order of atmospheric layer arrangement from the surface of the earth to the top layer of atmosphere.
The impact of Green Revolution was largely noted in
Which one of the following elements is not essential for plant growth?
