Question
Which of the following is a major weed of wheat fields
that closely resembles the crop during the early growth stages, making manual identification difficult?Solution
Phalaris minor mimics wheat morphologically during early growth, making it difficult to distinguish. It competes aggressively for nutrients and water, reducing crop yields significantly.
The later (second) formed primary xylem elements are called:
The process of mineralization releases:
Which of the following disorders is caused by nondisjunction of sex chromosomes?
Photosynthesis takes place inside plant cells in:
The human eye is most sensitive to yellow-green light having wavelength -
Who proposed that the first form of life could have come from pre-existing non-living organic molecules ?
Which gland in the human body functions as both an endocrine and exocrine gland?
- The pancreas is both an endocrine and exocrine gland because it:
Decomposition is affected by:
Spirogyra reproduces primarily through which process?