Fill the blank X in the given food chain. Tree → Rabbit → X → Lion
A) Mouse
B) Snake
C) Goat
D) Wild cat
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The process of increasing concentration of chemicals through the food chain is known as
C) biomagnification
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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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Cockroaches are considered as a part of food chain. Justify.
Many amphibians, birds, lizards and rodents prey upon cockroaches and this makes them a part of food chain. They are also eaten by certain groups of people in South America,...
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What will happen if deer is missing in the food chain given below ? Grass → Deer → Tiger
D) The population of tigers decreases and the population of grass increases.
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Fill in the blank: Laptop account is a ______ account.
Laptop account is a real account.
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One litre of water can fill in cylinder A and two litres of water can fill in cylinder B. Then two litres of gas can fill in
C) both ‘A’ and ‘B’
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Fill in the blank with appropriate words. (i) Major cuases of biodiversity losses called as……….. (ii) Amazon rain forest is being cut and cleared for
Correct Answer - (i) Evil quartet (ii) Soyabeans, Beef cattle (iii) Over-exploitation (iv) Obligatory
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Fill in the blank with appropriate words. (i) Intially 25 biodiversity hotspots were identified but subsequently………. More have been added to the list.
Correct Answer - (i) Nine (ii) 30% 14,90, 448 (iv) jaintia, Rajasthan, Karnataka, sarguja , bastar (v) World summit
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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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