| 1 |
Identify the correctly matched pair. |
Rainfall-biotic factor in Ecosystem
Corn-secondary consumers
Global warming fossil fuel formating
Renewable natural resource air
|
| 2 |
R-2 means. |
Reduce
Recycle
Renewable
Reuse
|
| 3 |
R-3 means. |
Less use
Reuse
Recycle
Refuse
|
| 4 |
------------ is use for the cleaning of sewage water. |
Bacteria
Virus
Algae
Fungi
|
| 5 |
250 years age, the population of world was approximately ------------ million. |
400
500
600
700
|
| 6 |
Which of the following air pollutant react with water in atmosphere producing acid rain? |
Hydrocarbons fluorine
Flyash, soot
chlorine , smoke
Sulphur dioxide, Nitrogen oxide.
|
| 7 |
Dengue fever is an infection of. |
Algal
Viral
Fungal
Bacterial
|
| 8 |
An example of Endoparasite. |
Mosquitoes
Leech
Plasmodium
Lice
|
| 9 |
Endoparasite is. |
Leech
Lices
Ascaris
Mosquito
|
| 10 |
The type of symbiotic association in which partner gets benefits while ohter is neither benefited nor harmed is called. |
Commenaslism
Mutualism
Parasitism
Predation
|
| 11 |
Example of Endoparasite is. |
Plasmodium
Mosquito
<div>Leech</div>
Lices
|
| 12 |
Ectoparasite is |
Ascaris
Amoeba
Leech
Plasmodium
|
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