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11.Organisms and Populations
medium
What is the ecological principle behind the biological control method of managing with pest insects?
Option A
Option B
Option C
Option D
Solution
The basis of various biological control methods is on the concept of predation. Predation is a biological interaction between the predator and the prey, whereby the predator feeds on the prey. Hence, the predators regulate the population of preys in a habitat, thereby helping in the management of pest insects.
Standard 12
Biology
Similar Questions
medium
Match List $I$ with List $II$ :
| List $I$ (Interaction) | List $II$ (Species $A$ and $B$) |
| $A$. Mutualism | $I$. $+(A), 0(B)$ |
| $B$. Commensalism | $II$. $-(A), 0(B)$ |
| $C$. Amensalism | $III$. $+(A),-(B)$ |
| $D$. Parasitism | $IV$. $+(A),+(B)$ |
Choose the correct answer from the options given below:
Match the columns :
| Column – $I$ | Column – $II$ |
| $(a)$ Cacti | $(i)$ Leguminous plants |
| $(b)$ Shade loving plants | $(ii)$ Commensalism |
| $(c)$ Halophytes | $(iii)$ Pioneer community |
| $(d)$ Crustose lichen | $(iv)$ Plants growing in saline environment Xerophyte |
|
$(e)$ Interspecific interaction |
$(v)$ Xerophytes |
| $(f)$ Rhizobium | $(vi)$ Sciophytes |
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