JKBOSE Biology Question Paper 12th Class | Ecology

These Questions were asked from ECOLOGY Chapter in JKBOSE Class 12th Examination from last 4/5 years..

Long type Questions: 

Q1. What are negative interactions? Describe various negative interactions found among organisms?

Q2.Give an account of energy flow in an ecosystem?

Q3. Give an account of ecological succession on bare rock?

Q4. What kind of threats to the biodiversity may lead to its loss?

Q5. Define conservation. Why is there need for conservation of biodiversity?

Q6. What are ecological interactions? Explain predation and parasitism with suitable examples?

Q7. What are agrochemicals? Name three agrochemicals explain their effects on enivironment?

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JKBOSE 12th Class Biology Papers of last 10 years | Important Questions

Q8. What is ecological succession ? Explain the stages in ecological succession.

Q9. Explain Mutualism and Commensalism  with suitable examples.

Q10.  (i) what are hot spots of diversity?

       

 (ii) List four main criteria for determining a particular place as a hot spot

(iii) Among the hot spots of the world, list two which are located in India.

Q11. What are the important components of Ecosystem Services?

Q12. What are the causes of Air Pollution? Suggest some measured to control it.

Q13. Explain with the two examples, how pyramid of numbers and pyramid of biomass can look inverted.