The best time for removal of weeds is before they produce flowers and seeds.
Open in App
Verified by Toppr
Removal of weed (or weeding) is done before weeds flower because if they flower they will also produce seeds and finally result in the dispersal of the seeds which makes it difficult to control the weeds because each seed will produce a new weed plant.
So the correct option is ' True ' .
Was this answer helpful?
Which is the best time for the removal of weeds ?
Select the option which best suits the given descriptions for P, Q, R and S. P - A simple tool used for removing weeds. Q - A tool which is used for ploughing and is used with a tractor. R - A tool which is used for sowing and removing weeds. S - A simple tool used for cutting of crops.
Nicotiana sylvestris flowers only during long days while Nicotiana tobacum flowers only during short days. If raised in the laboratory under different photoperiods, they can be induced to flower at the same time and can be cross fertilized to produce self-fertile offsprings.
What is the best reason for considering N. sylvestris and N. tobacum to be separate species?
Weeding is the process of removal of weeds after they are mature.