Multiple choice

Which among the following statements does not characterise weeds?

  1. Weeds compete with productive crops or pasture.

  2. Onions are most vulnerable to weeds.

  3. Weeds have the same competitive abilities irrespective of the farm conditions and season.

  4. Weeds can also host pests.

  5. Insect pests often do not attack weeds.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Weeds also vary in their competitive abilities and according to conditions and season. Tall-growing vigorous weeds such as fat hen (Chenopodium album) can have the most pronounced effects on adjacent crops, although seedlings of fat hen that appear in late summer produce only small plants.

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