A fluorescent tube operates by passing an electric current through mercury vapor, which emits ultraviolet light. This light then causes a phosphor coating on the inside of the tube to glow, producing visible light.
Which of the following fish is known for bubble nest building during breeding?
Arrange these crops in decreasing order of their crop duration under same agro-climatic conditions.
A. Cotton
B. Sugarcane
C. Rice<...
Meaning of cropping intensity is:
Principle of local control is not used in
The mineral source of plant nutrient Boron whose deficiency leads to pollen sterility is
Which is a common crop which is grown of natural autopolyploid?
The plant used in saffron spice crop is
Which are of the following is an asymmetrical triazine?
Stomata closing can be induced by:
Which one is cucurbit?
