Ecology

‘Ecology’ is the study of the relationship between—

Which of the following is **not true** about the ecosystem?

Given below are two statements, one labelled as Assertion (A) and other as the Reason (R). Assertion (A) : The biosphere is an example of an open system. Reason (R) : There cannot be reinvestment of new substances in the biosphere but there is no restriction on the investment and exit of energy. Select the correct answer using the codes below:

Which one of the following is the correct order of biological organization ranging from organism to biosphere?

Consider the following statements relating to the ecosystem: 1. The term ecosystem was first used by A.G. Tansley. 2. Those organisms which produce their food themselves are termed as autotrophs. 3. Consumers consume their food through the process of photosynthesis. 4. Decomposers convert inorganic matter into organic matter. Which of the above statements are correct: Code:

What is true about ecosystem?

Given below are two statements, one is labelled as Assertion (A) and other as Reason (R) Assertion (A): Various components of an ecosystem are not interdependent. Reason (R): Human activities have the impacts on the environment. Select the correct answer using the codes given below. Codes:

Which one of the following ecosystems covers the largest area of the earth's surface:

Which is the most stable ecosystem?

Which one of the following is not a sub-category of terrestrial ecosystem?

Which of the following is an artificial ecosystem?

Which of the following does not help to maintain ecological balance?

Which of the following is an act that disturbs the ecological balance?

Which one of the following is not related to ecological balance?

The cycling of elements in an ecosystem is called:

Which one of the following is the correct sequence of the phases of biotic succession?

Which of the following is the correct sequence of phases of Biotic succession?

The concept of 'Ecological Transition' was first used by:

With reference to ecological niche, which of the following statements is/are correct? 1. It represents the range of conditions that it can tolerate the resources it utilizes and its functional role in ecological system. 2. Each species has a distinct niche. Select the correct answer from the code given below: Code :

Which of the following statements is not true about "ecological niche"?

The entire sequence of communities that successively change in a particular area are called: