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Given below are statements about the harmful effects of weeds on crop plants.
(i)They interfere while harvesting.
(ii)They help crop plants thrive.
(iii)They compete with crop plants for water, nutrients, space, and light.
(iv)They affect plant growth.
Choose the correct statements from above.
  • a)
    (i), (iii) and (iv)
  • b)
    (iii) only
  • c)
    (iii) and (iv)
  • d)
    (i), (ii), (iii) and (iv)
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Given below are statements about the harmful effects of weeds on crop...
Weeds compete with crops for one or more plant growth factors such as mineral nutrients, water, solar energy, and space and they hinder crop cultivation operations. Competition for mineral nutrients: Being hardy and vigorous in growth habit; they soon outgrow the crops and consume large amounts of water and nutrients.
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Most Upvoted Answer
Given below are statements about the harmful effects of weeds on crop...
Explanation:

The harmful effects of weeds on crop plants are as follows:

(i) They interfere while harvesting:

Weeds can make harvesting difficult as they grow along with the crop plants. They entangle with the crops, making it more time-consuming and labor-intensive to harvest the crops. This interference can result in reduced efficiency and productivity during harvesting.

(ii) They help crop plants thrive:

This statement is incorrect. Weeds do not help crop plants thrive. In fact, weeds compete with crop plants for essential resources and can negatively impact their growth and yield.

(iii) They compete with crop plants for water, nutrients, space, and light:

This statement is correct. Weeds compete with crop plants for vital resources such as water, nutrients, space, and light. This competition can result in stunted growth and reduced crop yield as the weeds consume resources that are essential for the growth and development of crop plants.

(iv) They affect plant growth:

This statement is correct. Weeds can have a detrimental effect on the growth of crop plants. They can shade the crop plants, reducing their access to sunlight for photosynthesis. Weeds can also release chemicals that inhibit the growth of nearby plants. Additionally, weeds can host pests and diseases that can further affect the growth and health of crop plants.

Therefore, the correct statements about the harmful effects of weeds on crop plants are (i), (iii), and (iv). They interfere while harvesting, compete with crop plants for water, nutrients, space, and light, and affect plant growth.
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Community Answer
Given below are statements about the harmful effects of weeds on crop...
A
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Given below are statements about the harmful effects of weeds on crop plants.(i)They interfere while harvesting.(ii)They help crop plants thrive.(iii)They compete with crop plants for water, nutrients, space, and light.(iv)They affect plant growth.Choose the correct statements from above.a)(i), (iii) and (iv)b)(iii) onlyc)(iii) and (iv)d)(i), (ii), (iii) and (iv)Correct answer is option 'A'. Can you explain this answer?
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