Class 4 Exam  >  Class 4 Questions  >  This is not true about weeds:a)Reduces crop q... Start Learning for Free
This is not true about weeds:
  • a)
    Reduces crop quality by contaminating the commodity
  • b)
    Weeds should not be removed
  • c)
    Weeds take up the water and fertilizers supplied to useful plants
  • d)
    Weeds grow in fields and gardens without being planted
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
This is not true about weeds:a)Reduces crop quality by contaminating t...
They rob soil moisture and nutrients from the competing crop and decrease harvest efficiencies. Weeds also compete with the crop for sunlight. Because they are plants competing to survive in a limited space, weeds are actively removing nutrients from the soil to grow taller, stronger and healthier each day.
View all questions of this test
Most Upvoted Answer
This is not true about weeds:a)Reduces crop quality by contaminating t...
Introduction:
Weeds are unwanted plants that grow in fields and gardens without being intentionally planted. They can have negative effects on crops and the overall productivity of the land. However, it is not true to say that weeds should not be removed. In fact, removing weeds is essential for maintaining crop quality and maximizing the yield of useful plants. Let's explore the reasons why weeds should be removed.

Contamination of Crop Quality:
Weeds can reduce crop quality by contaminating the commodity. They compete with crops for nutrients, water, and sunlight, and can also harbor pests and diseases. Weeds may produce seeds or pollen that can mix with the crop, leading to lower quality produce. For example, if a weed species produces bitter compounds, it can negatively affect the taste of fruits or vegetables.

Competition for Resources:
Weeds take up the water and fertilizers supplied to useful plants. As they grow alongside crops, they compete for essential resources such as nutrients and water. Weeds have the ability to spread rapidly and can outcompete crops, leading to stunted growth and reduced yield. By removing weeds, farmers can ensure that the crops receive adequate resources for their healthy growth.

Impact on Soil Health:
Weeds can also have a detrimental impact on soil health. Some weed species have deep root systems that can penetrate the soil and extract nutrients from deeper layers. This can lead to nutrient depletion in the topsoil, which is essential for crop growth. Weeds can also alter the soil pH, making it less suitable for the growth of useful plants. Removing weeds helps in maintaining soil fertility and overall soil health.

Pest and Disease Control:
Weeds can serve as hosts for pests and diseases that can affect both weeds and crops. By removing weeds, farmers can reduce the population of pests and the spread of diseases. This can help in minimizing the need for chemical pesticides and promote healthier plant growth.

Conclusion:
While weeds may grow naturally in fields and gardens, it is important to remove them to ensure crop quality, prevent resource competition, maintain soil health, and control pests and diseases. Removing weeds is an essential practice in agriculture to maximize the productivity and profitability of crops.
Attention Class 4 Students!
To make sure you are not studying endlessly, EduRev has designed Class 4 study material, with Structured Courses, Videos, & Test Series. Plus get personalized analysis, doubt solving and improvement plans to achieve a great score in Class 4.
Explore Courses for Class 4 exam

Top Courses for Class 4

This is not true about weeds:a)Reduces crop quality by contaminating the commodityb)Weeds should not be removedc)Weeds take up the water and fertilizers supplied to useful plantsd)Weeds grow in fields and gardens without being plantedCorrect answer is option 'B'. Can you explain this answer?
Question Description
This is not true about weeds:a)Reduces crop quality by contaminating the commodityb)Weeds should not be removedc)Weeds take up the water and fertilizers supplied to useful plantsd)Weeds grow in fields and gardens without being plantedCorrect answer is option 'B'. Can you explain this answer? for Class 4 2024 is part of Class 4 preparation. The Question and answers have been prepared according to the Class 4 exam syllabus. Information about This is not true about weeds:a)Reduces crop quality by contaminating the commodityb)Weeds should not be removedc)Weeds take up the water and fertilizers supplied to useful plantsd)Weeds grow in fields and gardens without being plantedCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 4 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for This is not true about weeds:a)Reduces crop quality by contaminating the commodityb)Weeds should not be removedc)Weeds take up the water and fertilizers supplied to useful plantsd)Weeds grow in fields and gardens without being plantedCorrect answer is option 'B'. Can you explain this answer?.
Solutions for This is not true about weeds:a)Reduces crop quality by contaminating the commodityb)Weeds should not be removedc)Weeds take up the water and fertilizers supplied to useful plantsd)Weeds grow in fields and gardens without being plantedCorrect answer is option 'B'. Can you explain this answer? in English & in Hindi are available as part of our courses for Class 4. Download more important topics, notes, lectures and mock test series for Class 4 Exam by signing up for free.
Here you can find the meaning of This is not true about weeds:a)Reduces crop quality by contaminating the commodityb)Weeds should not be removedc)Weeds take up the water and fertilizers supplied to useful plantsd)Weeds grow in fields and gardens without being plantedCorrect answer is option 'B'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of This is not true about weeds:a)Reduces crop quality by contaminating the commodityb)Weeds should not be removedc)Weeds take up the water and fertilizers supplied to useful plantsd)Weeds grow in fields and gardens without being plantedCorrect answer is option 'B'. Can you explain this answer?, a detailed solution for This is not true about weeds:a)Reduces crop quality by contaminating the commodityb)Weeds should not be removedc)Weeds take up the water and fertilizers supplied to useful plantsd)Weeds grow in fields and gardens without being plantedCorrect answer is option 'B'. Can you explain this answer? has been provided alongside types of This is not true about weeds:a)Reduces crop quality by contaminating the commodityb)Weeds should not be removedc)Weeds take up the water and fertilizers supplied to useful plantsd)Weeds grow in fields and gardens without being plantedCorrect answer is option 'B'. Can you explain this answer? theory, EduRev gives you an ample number of questions to practice This is not true about weeds:a)Reduces crop quality by contaminating the commodityb)Weeds should not be removedc)Weeds take up the water and fertilizers supplied to useful plantsd)Weeds grow in fields and gardens without being plantedCorrect answer is option 'B'. Can you explain this answer? tests, examples and also practice Class 4 tests.
Explore Courses for Class 4 exam

Top Courses for Class 4

Explore Courses
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev