Comprehensive collection of questions from Environment & Ecology asked in recent state service examinations. Each question is verified with official answer keys and step-by-step bilingual solutions.
The correct sequence of various components in a grassland food chain is–
Which of the following constitutes a food chain?
Which one of the following is not a biotic component of an ecosystem?
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?
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:
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 a food chain, man is-
The main primary producers in the marine environment are-
Ecology is the study of reciprocal relationships between-
The concept of 'Ecosystem' was proposed by-
Which of the following is not correct about an ecosystem?
Which one of the following is not correct regarding an ecosystem?
An ecosystem is structured by which four components?
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:
With reference to the Global Alliance for Climate-Smart Agriculture (GACSA), which of the following statements is/are correct? 1. GACSA is an outcome of the Climate Summit held in Paris in 2015. 2. Membership of GACSA does not create any binding obligations. 3. India was instrumental in the creation of GACSA. Select the correct answer using the code given below:
In the context of agriculture in India, the concept of 'Conservation Agriculture' assumes great significance. Which of the following come under Conservation Agriculture? 1. Avoiding the monoculture practices 2. Adopting minimum tillage 3. Avoiding the cultivation of plantation crops 4. Using crop residues to cover soil surface 5. Adopting spatial and temporal crop sequencing/crop rotations Select the correct answer using the code given below:
Consider the following statements and select the correct answer from the code given below: Assertion (A): India is an example of an urban overpopulated country. Reason (R): Most of the large cities in India suffer from inadequate infrastructure. Code:
Except which one of the following, all are included in the natural capital of a country?
Which one of the following is not an objective of Smart City Development?
The headquarters of Greenpeace International is located at-
Where was the fourth session of the United Nations Environment Assembly (UNEA - 4) held?
The Environment (Protection) Act was passed in India in-
When was the Environment (Protection) Act passed by the Government of India for the preservation and protection of environment?
By what other name is the Environmental Protection Act (E.P.A.) known?
In which of the following years was the 'Environmental Protection Act' passed in India?