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Biosphere is

1. a component in the ecosystem
2. composed of the plants present in the soil
3. life in the outer space
4. composed of all living organisms present on earth which interact with the physical environment

Subtopic:  Organisms and its Environment |
 92%
Level 1: 80%+
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Consider the following statements (A)-(D) each with one or two blanks:

(A) Bears go into ________ (1) _ during winter to ________ (2) _ cold weather.
(B) A conical age pyramid with a broad base represents _________ (3) human population.
(C) A wasp pollinating a fig flower is an example of ________ (4) _ .
(D) An area with high levels of species richness is known as _________ (5) .

 
Which of the following options, gives the correct fill-ups for the respective blank numbers from(1) to (5) in the statements?
 

1. (1) - hibernation, (2) - escape, (3) - expanding, (5) - hot spot
2. (3) - stable, (4) - commensalism, (5) - marsh
3. (1) - aestivation, (2) - escape, (3) - stable, (4) - mutualism
4. (3) - expanding, (4) - commensalism, (5) - biodiversity park
Subtopic:  Organisms and its Environment | Population Interactions: Commensalism, Protocooperation & Mutualism | Age Pyramid |
 90%
Level 1: 80%+
AIPMT - 2011
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