The process of increasing concentration of chemicals through the food chain is known as
A) incineration
B) pyrolysis
C) biomagnification
D) bioremediation
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If 1,000,000 J of sunlight is provided to a food chain what is the amount of energy is present a top consumer level is food chain have four trophic le
Correct Answer - 10 J (Because only 1% of total sunlight is available to plants)
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Water `rarr` zooplankton `rarr` small fish `rarr` large fish `rarr` fish eating birds In the above food chain If concentration of DDT is 0.003ppb the
Correct Answer - `{:(" Water"),((.003 ppb)),(" "darr),(" "zp),((".004 ppm")),(" "darr),(" sf"),((.5 "ppm")),(" "darr),("LF (2-5 ppm)"),(" "darr),("Birds (25 ppm)"):}`
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Identify the odd one based on ‘food chain’.
Answer is (D) Goats
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Amoeba acquires its food through a process termed as ……………
B) Endocytosis
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The movement of molecules from an area of high concentration to an area of lower concentration is known as a) osmosis b) diffusion
Correct option is C) b only
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Observe the a, b statements : a) The flexibility of the membrane to engulf food b) Amoeba acquires its food by this process only
B) Both a, b correct
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Identify the correct matching from the following. 1) Biomagnification – Food chain
Correct option is D) 1 only
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The physiological disorder due to accumulation of heavy metals into human beings through food chain is
A) Renal damage
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Assertion : All chemicals added to food items are called food preservatives. Reason : All these chemicals increase the nutritive value of the food.
(iii) Both assertion and reason are wrong statement.
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Name an omnivore which occurs in both grazing food chain and the decomposer food chain.
Sparrow/crow.
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