When was it decided to replace existing rail networks by zones?
In 1952, the existing rail networks were divided into six Zones for administrative purpose. Further with prospering of the economy Indian Railway made all railway production indigenous.
The juvenile hormone in insects is secreted by which organ?
For Magnesium deficiency determination, plant that is used as indicator plant _________________________ .
Which of the following crop is used for flax and oil both?
Study of communities is known as
The land use system involving trees combined with crops and/or animals is called
The principal photosynthetic pigment in blue-green algae is
Water level recording is done by
"Golden Rice" refers to the rice rich in:
The first transgenic crop approved for cultivation was
Enzyme that fixes CO₂ in C4 plants at Iow concentrations?
