Moderate
Injuries by insects is / are:
Correct answer: E. All of the above
- A. An essential part of the forest ecosystem
- B. Some are beneficial; quite a few are serious pests of trees and wood products
- C. Tonica inviferana, a semal shoot borer, Ascotis imparata,
- D. A bakain defoliator and Margaronia phloalis a defoliator of mulberry are serious pests of other tree species grown in forest plantations
- E. All of the above
Explanation
Insects are normal components of forest ecosystems, but some become serious pests of trees and wood products; the listed shoot borer and defoliators are examples. Thus the general statement and examples belong together.
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Practise Silviculture
312 free Silviculture MCQs from Forestry, each with the correct answer and an explanation. Unlimited attempts, no account needed.
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