NATURAL RESOURCES
Very Short Questions
1) Ques. Why are plants called producers?
2) Ques. Define the following terms:
- Autotrophs
- Biosphere
- Food Web
- Decomposers
- Weather
3) Ques. Give one example of :-
- Omnivore
- Herbivore
- Carnivore
4) Ques. What is the source of oxygen?
5) Ques. What is the origin of CO2 ?
6) Ques. Name the Nitrogen fixing bacteria of non leguminous plant.
7) Ques. Which chemical group is responsible for hole in ozone layer of atmosphere ?
8) Ques. Make a flow chart of a food Chain Commonly found on land.
9) What is the primary source of for all living beings ?
10) Ques. In nitrogen cycle, Which Bacteria is responsible for nitrification?
Short Questions
11) Ques. What is environment ? List its living and non ling components.
12) Ques. Why sometimes animals too are regarded as producers?
13) Ques. Define the term Cyanobacteria? What is their Significance in the environment ?
14) Ques. Differentiate Between the following :
- Herbivore and carnivore
- Food Web and Food Chain
15)Ques. What is Soil ? How it is formed ?
16) Ques. Why is ozone is regarded as harmful ?
17) Ques. What is Air ? Which gases are present in Air ?
Long Answer Questions
18) Ques. What is the Significance of Balanced environment ?
19) Ques. Write note on importance of Water Cycle in Environment ?
20) Ques. Describe the role of living organisms in oxygen and nitrogen cycles.
21) Ques. Explain Nitrogen Fixation ? Name the bacteria involved in it.
22) Ques. Why is Carbon dioxide regarded as harmful ?
23) Ques. What are the trophic levels ? How energy is being lost at every level ?
24) Ques. What are the Biogeochemical cycles ? Explain the pathways of any one?
25) Ques. Explain Why the food Chain consists of a few steps only?
26) Ques. Mention Briefly the role of decomposers in cycling of materials.
Diagrammatic Questions
27) Ques. Give a diagram of soil profile.
28) Ques. Give diagrammatic representation of nitrogen cycle.
29) Ques. Draw a food chain of pond ecosystem.
30) Ques. Give diagrammatic representation of oxygen cycle.
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