Saturday, March 1, 2025

Biology chapter 19 Environmental Biology

1. All those things in the surrounding of an organism that could possibly influence it is called:


(a) Environment✅

(b) Surrounding

(c) Atmosphere 

(d) All above


2. Environment provides:


(a) Food 

(b) Water

(c) Shelter 

(d) All above✅


3. The nonliving environment is called:


(a) Abiotic component

(b) Physical component

(c) (a) and (b)✅

(d) None


4. A group of similar organisms that can interbreed and produce fertile offsprings is called:


(a) Genus 

(b) Family

(c) Species✅

(d) Order


5. Place where an organism lives in its environment is called:


(a) Population 

(b) Residence

(c) Habitat✅

(d) All  


6. Rotten log farm habitat for:  


(a) Micro-organisms 

(b) Fungi

(c) Insects 

(d) All above✅


7. A group of individuals of the same species occupying a given area at the same time is called:

  

(a) Residents 

(b) population✅

(c) Family 

(d) All above  


8. Many different populations requiring the same resources, living and interacting with one another in a given habitat are called:


(a) Community✅

(b) Environment

(c) Habitat 

(d) Environment  


9. The environment of an area where living organisms, both plants and animals, interact with their physical environment is called:  


(a) Community 

(b) Special environment

(c) Ecosystem✅

(d) None  


10. The variety of species in ecosystem is called:  


(a) Biodiversity✅

(b) Animal diversity  

(c) Organisms diversity 

(d) All above  


11. Which of the following is self maintained.


(a) Community 

(b) Ecosystem✅

(c) Population 

(d) Species  


12. The alternate source of energy of ecosystem is:


(a) Solar energy✅ 

(b) Heat energy

(c) Tidal energy 

(d) Nuclear energy  


13. Forests and deserts are the example of:  


(a) Ecosystem 

(b) Terrestrial ecosystem✅

(c) Aquatic ecosystem 

(d) None  


14. Things which interacts in ecosystem are called:  

   

(a) Factors✅

(b) Cofactors

(c) Animals and plants 

(d) All above  


15. The living factor of ecosystem is called:


(a) Biotic component✅

(b) Non Biotic component

(c) biologic 

(d) None


16. Which of the following are biotic factors:

    

(a) Producers 

(b) Consumers

(c) Decomposer 

(d) All above✅


17. Green plants, which can manufacture their own food, are called:


(a) Producers✅

(b) Consumers

(c) Decomposers 

(d) None


18. Phytoplankton is an example of:


(a) Producer✅

(b) Consumer

(c) Decomposer 

(d) None


19. Those animals, which obtain food by eating plants and animals, are called:

    

(a) Producers 

(b) Consumers✅

(c) Decomposers 

(d) All above


20. Consumers that feed directly on plants are called:

    

(a) Primary✅

(b) Secondary

(c) Omnivores 

(d) None

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