Please select a subject first
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Statement I: If one or two species are lost, it may not affect proper functioning of ecosystem.
Statement II: Loss of key species causes serious threat to functioning of ecosystem. Choose the correct alternative with reference to the above statements
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Which of the following reproductive structures is responsible for secretion of hCG?
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Which of the following plant produces its own pesticide and has adverse effects on Monarch butterfly populations that are not the original target of the pesticide?
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Identify the correct order of primary succession in water bodies.
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Identify the morphological means of defence to avoid herbivores shown by plants.
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Identify the stage that is common to both hydrarch and xerarch succession.
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Identify the interspecific interaction depicted in the following figure.

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Which of the following is TRUE for hydrarch succession?
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The female gametophyte (Polygonum type) at the time of fertilization is ______.
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During pregnancy, which hormones are secreted by the placenta?
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Where is secondary succession initiated?
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The correct description for the interspecific interaction shown in the given figure is ______
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Who are the pioneers of ecological succession?
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Brood parasitism is best explained by the example of ____________.
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The interspecific interaction between Cuckoo and Crow is ______
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Identify the interspecific interaction which one species is benefited and other is neither banned nor benefited.
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Identify the CORRECT statement with respect to ecological succession.
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______ is not a component of downstream processing.
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Select the CORRECT match:
| I | II | ||
| i. | Competition | a. | Lichen |
| ii. | Commensalism | b. | Sea anemone and clownfish |
| iii. | Mutualism | c. | Lions and Leopards |
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What would be the outcome if, during ecological succession, a particular species is not able to colonise an area and increase in number?
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