Match the column A with column B :-
A B
a. phytophagous insects i) A stage of suspended development
b. Diapause ii) To avoid summer related problem
c. Homeostasis iii) feeding on plant sap
d. Aestivation iv) Maintenance of constant internal environment
1. a-(iv), b(ii), c-(iii), d-(i)
2. a-(iii), b(i), c-(iv), d-(ii)
3. a-(i), b(iii), c-(ii), d-(iv)
4. a-(iii), b(ii), c-(iv), d-(i)
Ecology explains us:-
1. | How organisms, while remaining as an individual interact with other organisms |
2. | How organisms, interact with physical habitats as a group |
3. | As a group how organisms behave like organised wholes that is population community, ecosystem or even as the whole biosphere |
4. | All of these |
ln the given figure, identify Coniferous forest, Arctic and Alpine Tundra and tropical forest, respectively:-
1. l, Vl and lll
2. V, Vl and lll
3. lV, lll and l
4. l, ll and lll
Formation of wide variety of habitats takes place by:-
1. Types of species inhabiting that area
2. Types of predation
3. Regional and local variation of environment conditions
4. All of the above
Biocontrol of crop pests is often based on which of the following interspecific interactions ?
1. Competition
2. Amensalism
3. Predation
4. Commensalism
Regional and local variations within each biome lead to the formation of a wide variety of:-
1. Niche
2. Population
3. Microclimate
4. Habitat
Natural selection operates at the level of :-
1. Organism
2. Population
3. Community
4. Ecosystem
Find the correct mathematical expression for geometric growth resulting in a J-shaped population growth curve.
1.
2.
3.
4.
Epiphytes growing on mango is an example of which type of the given population interaction?
1. Competition
2. Protocooperation
3. Commensalism
4. Mutualism
Barnacles growing on the back a whale, a type of population interaction, is an example of
1. Competition
2. Mutualism
3. Amensalism
4. Commensalism