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What is the ecological principle behind ...

What is the ecological principle behind the biological control method of managing with pest insects?

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NCERT TELUGU-ORGANISMS AND POPULATIONS-EXERCISES
  1. How is diapause different from hibernation?

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  2. If a marine fish is placed in a fresh water aquarium, will the fish be...

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  3. Define phenotypic adaptation. Give one example.

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  4. Most living organisms cannot survive at temperature above 45^(@)C. How...

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  5. List the attributes that populations but not individuals possess.

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  6. If a population growing exponentially double in size in 3 years, what ...

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  7. Name important defence mechanisms in plants against herbivory.

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  8. An orchid plant is growing on the branch of mango tree. How do you des...

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  9. What is the ecological principle behind the biological control method ...

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  10. Distinguish between the following: (a) Hibernation and Aestivation ...

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  11. Write a short note on (a) Adaptations of desert plants and animals ...

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  12. List the various abiotic environmental factors.

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  13. Give an example for: (a) An endothermic animal (b) An ectothermic ...

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  14. Define population and community.

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  15. Define the following terms and give one example for each: (a) Commen...

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  16. With the help of suitable diagram describe the logistic population gro...

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  17. Select the statement which explains best parasitism. (a) One organi...

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  18. List any three important characteristics of a population and explain.

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