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प्रश्न
Which day is observed as ‘World Environment Day’?
पर्याय
21st May
5th June
25th September
13th December
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उत्तर
5th June
Explanation:
5th June of every year is celebrated as World Environment Day.
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संबंधित प्रश्न
Answer the following question.
Mention the term used to describe a population interaction between an orchid growing on a forest tree.
Tabulate and analysis of two species population interaction.
Using '-' to depict inhibition and '+' to depict benefit, mutualism between two species can be represented as ____________.
Identify the morphological means of defence to avoid herbivores shown by plants.
Which of the following is not an example of commensalism?
Define stenohaline species.
Give one example for the following:
An organism which can conform
Between which among the following, the relationship is not an example of
?
Interaction between clown fish living among the stinging tentacles of sea anemone is an example of ______.
Observe the graph given below.
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The graph represents inter-specific interaction between two species of Paramecia competing for the same resource in a culture medium. Paramecium caudatum and Paramecium aurelia were grown in separate cultures as well as in mixed cultures. It was found that each species grew in numbers according to the logistic equation.
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a) Which species is competitively superior? Support it with the data provided in the graph.
b) State the underlying principle for the above result and name the scientist associated with this principle.
c) Explain the mechanism in which two or more species competing with each other can co-exist.
OR
Graphs A and B shown below depict interaction of two species. Which graph indicates Mutualism? Give reason.
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| A | B |



