दो जैविक समुदायों के मध्य का संक्रमण क्षेत्र कहलाता है-
The transition zone between two biological communities 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 transition zone between two biological communities is called-
Which of the following trees is a threat to the environment?
Which of the following is the correct sequence of stages in ecological succession?
In an aquatic ecosystem of a pond, which of the following is considered as a primary producer?
Among the biotic components of an ecosystem, which is a producer component?
Which of the following belong to the first trophic level?
Which act as an intermediary / bridge between biotic and abiotic components?
With reference to ecosystems, consider the following statements: 1. Productivity at the autotrophic level is called primary productivity. 2. Productivity at the heterotrophic level is called secondary productivity. Which of the statements given above is/are correct?
Which of the following pairs is correctly matched?
With reference to food chains in ecosystems, which of the following kinds of organisms is/are known as decomposer organism/organisms? 1. Virus 2. Fungi 3. Bacteria Select the correct answer using the code given below:
Which one of the following is the correct sequence of a marine food chain?
The primary source of energy in an ecological system is-
The driving force of an ecosystem is-
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:
Which one of the following ecosystems covers the largest area of the Earth's surface?
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 precise place where an organism lives is called-
Which one of the following is the largest ecosystem in the world?
The main primary producers in the marine environment are-
Which is the most stable ecosystem?
Which one of the following is the best description of the term 'ecosystem'?
Which of the following is the most stable ecosystem?
Which one of the following is not a sub-type of terrestrial ecosystem?
Which of the following is the correct hierarchy of biological organization from organism to biosphere?