Which of the following cyclone hit the countries USA and Canada recently?
A massive winter storm Bomb cyclone hit the country United States of America that has caused dozens of deaths and plunged millions into darkness with resultant power outages.
How many pollen grains are developed from a pollen mother cell?
Biological control of apple woolly aphid is _____
Classical production function, the point where elasticity of production remains zero is at:
What is the main cause of the physiological disorder known as "Tirak" or "bad boll opening" in cotton?
Protein in milk is called
Which of the following erosion is the removal of soil by running water with the formation of an areas of small branching channels. It can be removed by ...
The mineral source of plant nutrient Boron whose deficiency leads to pollen sterility is
Which type of allelopathy affects plants growing in succession from the decaying residue of previous plants?
A dwarfing rootstock suitable for kinnow mandarin is _____
A method of asexual propagation in which a stem is made to produce roots while still attached to the parent plant is called