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15 questions · timed · auto-graded

Question 21 Mark
In nature, all green plants are ____________ whereas animals are consumers.
Answer
In nature, all green plants are Producers whereas animals are consumers.
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Question 31 Mark
Ozone layer is destroyed due to ______.
Answer
Ozone layer is destroyed due to Atoms.Explanation:
When chlorine and bromine atoms come into contact with ozone in the stratosphere, they destroy ozone molecules.
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Question 51 Mark
On an average energy transferred from one trophic level to another is ________.
Answer
On an average energy transferred from one trophic level to another is growth and reproduction.Explanation:
On average about 10 percent of net energy production at one trophic level is passed on to the next level. Processes that reduce the energy transferred between trophic levels include respiration, growth and reproduction, defecation, and non predatory death (organisms that die but are not eaten by consumers).
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Question 61 Mark
A series of organisms, each of which feeds on the next organism, the beginning of which is a green plant, is called a _____________.
Answer
A series of organisms, each of which feeds on the next organism, the beginning of which is a green plant, is called a Food Chain.
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Question 71 Mark
In terms of a food chain or food pyramid, organisms that trap energy such as plants are known as _______.
Answer
In terms of a food chain or food pyramid, organisms that trap energy such as plants are known as ecosystems.Explanation:
In many ecosystems, the bottom of the food chain consists of photosynthetic organisms, such as plants or phytoplankton, known as primary producers. The organisms that consume the primary producers are herbivores: the primary consumers.
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Question 91 Mark
Pesticides enter the food chain at the ______________ level.
Answer
Pesticides enter the food chain at the Producer level.
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Question 101 Mark
Decomposer organisms are ___________ in their action.
Answer
Decomposer organisms are Specific in their action.
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Question 111 Mark
Plastic is a _____________ material whereas paper is a _____________ material.
Answer
Plastic is a Non-biodegradable material whereas paper is a Biodegradable material.
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Question 121 Mark
Interdependence of organisms on other organisms for their sustenance is described as _______.
Answer
Interdependence of organisms on other organisms for their sustenance is described as ecosystem depend.Explanation:
the organisms in an ecosystem are dependent upon each other. organisms in an ecosystem depend upon each other.
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Question 131 Mark
The science that deals with the inter-relationships of living things with one another and their environment is called _____________
Answer
The science that deals with the inter-relationships of living things with one another and their environment is called Ecology.
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Question 141 Mark
One of the best solutions to get rid of non- biodegradable wastes is _______.
Answer
One of the best solutions to get rid of non- biodegradable wastes is recycling.Explanation:
One of the best solutions to get rid of non-biodegradable wastes is recycling. If you produce biodegradable waste you can send it for recycling into compost.
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Fill in the blank - Science STD 10 Questions - Vidyadip