1358ForestryMedium
Which one of the following insecticides is the most persistent in soil?
AMalathion
BNone of these
CGamma BHC
DAldrin
Correct answer
D. Aldrin
Explanation
The correct answer is Aldrin.
Correct answer
D. Aldrin
Explanation
The correct answer is Aldrin.
The source of energy in an ecosystem is:
Which of the following enhances BOD of water?
The term succession was coined by:
What are kinds of frost injuries?
The type of relationship where weaker partner is benefitted and stronger remains unaffected is sometime called:
Applicability of general volume tables is / are: