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Science
10th
grade
Our Environment | Chapter Assessment | English | Grade 10
10 questions
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- 1. Multiple Choice
Which of the following organism synthesises carbohydrates from inorganic compounds using radiant energy?
decomposers
producers
herbivores
carnivores
- 2. Multiple Choice
The reason of limitation for number of trophic levels in a food chain is ___________
Water
Sufficient food supply
Polluted air
Decrease in energy at higher trophic levels
- 3. Multiple Choice
Choose the correct option that shows tropical level with maximum available energy.
T4
T2
T1
T3
- 4. Multiple Choice
Why we should not use disposable plastic plates?
They are made of materials with light weight
They are made of toxic materials
They are made of biodegradable materials
They are made of non-biodegradable materials
- 5. Multiple Choice
Which of the following is not a waste management technique?
Reuse
Eutrophication
Recycle
To make compost
- 6. Multiple Choice
Which of the following is example of transfer of energy from primary consumer to secondary consumer?
Plant is eaten by grasshopper
Frog is eaten by snake
Grasshopper is eaten by frog
Snake is eaten by eagle
- 7. Multiple Choice
Which of the following is not a problem caused to plants by the ultra violet rays ?
Growth
Problem in photosynthesis
Problem in flowering
problem in roots
- 8. Multiple Choice
Find the odd one out with respect to biotic and abiotic components
Water
Microorganisms
Soil
Minerals
- 9. Multiple Choice
Which of the following is not responsible for depletion of ozone layer?
Chloroform
Halon
Methyl bromide
Ethene
- 10. Multiple Choice
Grass → Deer → Tiger is the given food chain. Choose correct option showing the effect if deer is missing in the given food chain.
The population of tiger increases
The population of grass decreases
Tiger will start eating grass
The population of tiger decreases and the population of grass increases
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