New ! Biology MCQ Practise Tests



Botany - Principles of Ecology 3 Mark Book Back Question Paper With Answer Key

12th Standard

    Reg.No. :
  •  
  •  
  •  
  •  
  •  
  •  

Biology

Time : 01:00:00 Hrs
Total Marks : 30

    3 Marks

    10 x 3 = 30
  1. Distinguish habitat and niche

  2. What is Albedo effect and write their effects?

  3. What is mutualism? Mention any two example where the organisms involved are commercially exploited in modern agriculture.

  4. List any two adaptive features evolved in parasites enabling them to live successfully on their host?

  5. Mention any two significant roles of predation plays in nature.

  6. Water is very essential for life. Write any three features for plants which enable them to survive in water scarce environment.

  7. What is vivipary? Name a plant group which exhibits vivipary.

  8. What is thermal stratification? Mention their types.

  9. What is co evolution?

  10. List out the effects of fire to plants.

*****************************************

Reviews & Comments about 12th Standard Biology English Medium Botany - Principles of Ecology 3 Mark Book Back Question Paper and Answer Key 2022 - 2023

Write your Comment