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The precise place where an organism lives is called-
Collection of verified questions for Paristhitiki under Environment & Ecology. Includes previous year exam questions with official answer keys and step-by-step solutions.
The precise place where an organism lives is called-
Which of the following is the largest ecosystem on Earth?
The limit of the number of individuals of a species that an environment can sustain indefinitely in a given area is called-
Which one of the following is a major cause of ecological imbalance in India?
The main primary producers in the marine environment are-
In a food chain, man is-
Due to some reasons, if there is a huge fall in the population of species of butterflies, what could be its likely consequence/consequences? 1. Pollination of some plants could be adversely affected. 2. There could be a drastic increase in the fungal infections of some cultivated plants. 3. It could lead to a fall in the population of some species of wasps, spiders and birds. Select the correct answer using the code given below:
In an ecosystem, which of the following are primary consumers? Select the correct answer using the code given below: 1. Ant 2. Deer 3. Fox 4. Tiger Code:
With reference to food chains in ecosystems, consider the following statements: 1. A food chain illustrates the order in which a chain of organisms feed upon each other. 2. Food chains are found within the population of a species. 3. A food chain illustrates the numbers of each organism which are eaten by others. Which of the statements given above is/are correct?
Which one of the following is not a biotic component of an ecosystem?
Which of the following constitutes a food chain?
The correct sequence of various components in a grassland food chain is–
Which one of the following terms describes not only the physical space occupied by an organism, but also its functional role in the community of organisms?
With reference to 'Carrying Capacity of the Environment', which of the following statements is/are correct? 1. The rate of resource extraction should not exceed the rate of resource generation. 2. Generation of waste should remain within the absorption capacity of the environment. Select the correct answer using the code given below: Code:
Which of the following has no direct connection with maintaining ecological balance?
Which of the following activities disrupts ecological balance?
Which one of the following does not help in maintaining ecological balance?
Ecology is the study of reciprocal relationships between-
Given below are two statements, one labelled as Assertion (A) and the other as Reason (R): Assertion (A): The biosphere is an example of an open system. Reason (R): After the initial input of matter into the biosphere, no new matter can enter, but there are no restrictions on the input and output of energy. Select the correct answer from the codes given below:
An ecosystem is structured by which four components?
Which one of the following is not correct regarding an ecosystem?
Which of the following is not correct about an ecosystem?
The concept of 'Ecosystem' was proposed by-