Which of the following element is non-essential but useful for plants?
Accumulation of Na+ at high concentrations in the cytoplasm results in deleterious effects on cell metabolism, e.g., on photosynthetic activity in plants.
Which of the following crop is used for flax and oil both?
Which one of the following is a micro-nutrients in plants?
The inflorescence of sunflower is called
In which type of market does the exchange of commodities take place on a specified future date?
Leg less larva is known as __________:
Formation of deep cracks is the characteristics feature of:
Which variety is commonly used in acid lime cultivation?
Centre of origin of Gossypium herbaceum is:
The real force causing entry of water into a cell from other cell is
_______ is the most widely used chemical for promoting seed germination.