BIOLOGY IN HUMAN WELFARE
IMPROVEMENT IN FOOD PRODUCTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Cash crops
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Cereals
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Vegetables
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Weeds
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Detailed explanation-1: -Xanthium and parthenium are plants that grow in other plant fields without being cultivated and derive their water and nutrition for their own growth. Thus they are categorized into weeds. These hampers the growth of the main crop.
Detailed explanation-2: -Final answer: Xanthium and parthenium are commonly known as weeds.
Detailed explanation-3: -Parthenium hysterophorus is a species of flowering plant in the family Asteraceae. It is native to the American tropics. Common names include Santa-Maria, Santa Maria feverfew, whitetop weed, and famine weed. In India, it is locally known as carrot grass, congress grass or Gajar Ghas or Dhanura.
Detailed explanation-4: -Weeds are the competitors of the other cultivated crops in the field for good, sunlight, water, etc. Weeds are responsible for extracting the nutrients which are essential for the main crops. Examples of weeds are Amaranthus, Chenopodium, Gajar Ghas, etc.
Detailed explanation-5: -Xanthium and Parthenium are commonly known as weeds. They are unwanted plants that grow along with the main crops grown in the agricultural ground.