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Science True False[1 Marks ]

Forests: Our Lifeline · Bihar Board (BSEB) STD 7 (BSEB - English Medium). 15 questions.

Questions

True False[1 Marks ]

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15 questions · timed · auto-graded

Question 31 Mark
Plants are saprotrophs. True/ False.
Answer
False.
Plants are autotrophs. They produce their own food by the process of photosynthesis. They are also called producers.
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Question 41 Mark
Plants release $\mathrm{CO}_2$ in the process of photosynthesis. True/ False.
Answer
False.
Plants intake carbon dioxide from the atmosphere during photosynthesis.
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Question 51 Mark
Roots of the tree are called crown of the tree. True/ False.
Answer
False.
The branchy part of part of tree above the stem is known as crown of the tree.
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Question 61 Mark
Forest is self sustaining entity comprising of plants animals and microorganisms. True/ False.
Answer
True.
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Question 111 Mark
The decaying leaves and animal droppings in a forest enrich the soil nutrition in the form of humus. True/ False.
Answer
True.
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Question 121 Mark
The soil of the forest is moist and warm because it is covered with leaves and fruits. True/ False.
Answer
True.
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Question 151 Mark
Various components of forests are not interdependent on each other. True/ False.
Answer
False.
The living organisms founds in the forest are plants, animals and decomposers which are interdependent on each other. As well as non-living environment is also interdependent.
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