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Question 11 Mark
Complete the chain by arranging in proper sequence.
Insect, Green Plant, Frog, Eagle, Snake
Answer
Green Plant → Insect → Frog → Snake → Eagle
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Question 31 Mark
Complete the chain by arranging in proper sequence.
Grasshopper, Snake, Frog, Grass, Eagle
Answer
Grass → Grasshopper → Frog → Snake → Eagle
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Question 51 Mark
Complete the chain by arranging in proper sequence.
Insect, Tree, Fowl, Man
Answer
Tree → Insect → Fowl → Man
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Question 61 Mark
Complete the chain by arranging in proper sequence.
Algae, Snake, Insect, Frog, Mongoose
Answer
Algae → Insect → Frog → Snake → Mongoose
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Question 71 Mark
Complete the chain by arranging in proper sequence.
Tiger, Rabbit, Wolf, Grass
Answer
Grass → Rabbit → Wolf → Tiger
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Question 81 Mark
Complete the chain by arranging in proper sequence.
Frog, Insect, Grass, Hawk, Snake
Answer
Grass → Insect → Frog → Snake → Hawk
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Question 151 Mark
Give one example :
International environmental organization
Answer
International Union for Conservation of Nature (IUCN)
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Question 301 Mark
True or False :X-rays and radiations from atomic energy plants are natural radiations.
Answer
False. (X-rays are not present in natural radiations. Infra-red and ultra-violet rays are present in natural radiations.)
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Question 321 Mark
True or False :Wild animals like lion, tiger etc are not important for ecosystem.
Answer
False, Every component of ecosystem is important.
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Question 341 Mark
True or False :There are clusters of thick forests only in Western Ghats of India.
Answer
False. (Entire India is rich in biodiversity. Just not in Western Ghats but in entire India one can observe the clusters of thick forests and this is mainly due to suitable tropical climate.)
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Question 351 Mark
True or False :The place where frogs are more, obviously snakes are less in that area.
Answer
False, If frogs are more, snakes are also more to feed upon the frogs.
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Question 361 Mark
True or False :The person breaching the Environmental Conservation Act is entitled for either one year imprisonment or fine up to ₹ 5 lakh.
Answer
False. (The person breaching the Environmental conservation Act is fined upto ₹ 1 lakh. He is also entitled to imprisonment for five years.)
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Question 381 Mark
True or False :The forest conserved in the name of God is called Ecosystem.
Answer
False, They are called sacred groves.
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Question 401 Mark
True or False :Sound pollution Control and Prevention Rule was established in 2011.
Answer
False, Sound pollution Control and Prevention Rule was established in the year 2000.
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Question 411 Mark
True or False :Radioactive pollution can cause tuberculosis.
Answer
False, Radioactive pollution can cause cancerous ulceration.
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Question 421 Mark
True or False :Paddy fields are frequently attacked by frogs.
Answer
False. (Paddy fields are frequently attacked by grasshoppers. Frogs feed on grasshoppers and control the population of these insects that cause destruction of the crops.)
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Question 431 Mark
True or False :Only abiotic factors play very important role in the ecosystem.
Answer
False. (Both abiotic and biotic factors play very important role in the ecosystem. Only abiotic factors will not decide the working of an ecosystem.)
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Question 441 Mark
True or False :Many people come together to establish arnew forest but a single person, if determined can destroy the entire forest!
Answer
False. (When anything constructive has to be done even a single man can start such action. In case of ‘Molai jungle’, this statement holds true. But when destructive actions are done, many people come together and cause damage.)
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Question 461 Mark
True or False :Flow of nutrients in an ecosystem is unidirectional.
Answer
False. (Flow of energy in an ecosystem is unidirectional. Flow of nutrients is cyclic.)
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Question 471 Mark
True or False :Environment is made up of one type of ecosystem.
Answer
False, Environment is made up of various ecosystems.
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Question 481 Mark
True or False :Environmental pollution is necessary and acceptable change in the surrounding environment.
Answer
False. (Environmental pollution is never acceptable. It is always harmful to the entire ecosystem and thus never necessary.)
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Question 491 Mark
True or False :Earthquakes are man-made factors affecting environment .
Answer
False, They are natural factors affecting environment.
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Do As Directed. - Science STD 10 Questions - Vidyadip