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- 1. Multiple Choice
Which trophic level comprises of producers?
First Trophic level
Second Trophic level
Third Trophic level
Forth Trophic level
- 2. Multiple Choice
What the source of energy for all food chains?
Earth's core
Tides
Sun
Soil
- 3. Multiple Choice
Decomposers are important because (check all the correct answers)
They break down organic matter into inorganic form and help recycle it
They remove impurities from the soil
They clean up the environment by decomposing dead organisms
They make fossil fuels.
- 4. Multiple Choice
Q. 1 Read the statement and answer the questions that follow: A non biodegradable toxic chemical has entered into the food chain consisting of 4 trophic levels.
(a)Which trophic level of a food chain is likely to be more affected by this incident.?
First Trophic level
Second Trophic level
Third Trophic level
Fourth Trophic level
- 5. Multiple Choice
(b) What phenomenon is responsible for the accumulation of non biodegradable material in the food chain?
Biomagnification
Bio-significance
Biotechnology
Biochemistry
- 6. Multiple Choice
(c) Would this phenomenon have occurred if the chemical that had entered the food chain was biodegradable?
Yes
No
- 7. Multiple Choice
Pick the odd one out
Pepsi Can
Bisleri bottle
Vegetable peels
Thermacole plate
- 8. Multiple Choice
Zoo, aquarium, garden are all types of _________________ ecosystem
Natural
Manmade
- 9. Fill in the Blank
How much energy is transferred from one trophic level to the next?
- 10. Fill in the Blank
How much of the sun's energy can plants use of the total energy that falls on them?
- Answer choicesTagsAnswer choicesTags