Ecology & Environment MCQs for Patwari
Practice Ecology & Environment under Science & Tech for Patwari with 20 free MCQs in Hindi and English.
Patwari — Ecology & Environment
20 Questions • Instant results & explanations • Hindi & English
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Question 1 of 20
Assertion (A): Multiple species can coexist in the same habitat without necessarily outcompeting each other. Reason (R): The ecological niche is entirely specific to a single species, allowing organisms to occupy different functional roles within the same physical address. Choose the correct option:
Question 2 of 20
A single robust tree serving as the habitat and primary food source for hundreds of herbivorous insects, which in turn host thousands of microscopic parasites, perfectly illustrates a:
Question 3 of 20
In the hierarchical classification of biotic components, secondary consumers are ecologically synonymous with which of the following terms?
Question 4 of 20
Which of the following best describes the concept of 'homeostasis' in the context of ecology?
Question 5 of 20
A group of individuals of the same species living within a specific geographical area, interacting and interbreeding, constitutes a:
Question 6 of 20
According to the standardized National Air Quality Index (IND-AQI) maintained by the Central Pollution Control Board (CPCB), an AQI value falling precisely within the range of 101-200 is categorized under which health standard?
Question 7 of 20
Which of the following abiotic components acts as a direct structural link between the biotic and abiotic realms of an ecosystem?
Question 8 of 20
Match List-I (Organism Role) with List-II (Example from Rajasthan Ecosystem) correctly: List-I A. Producer B. Primary Consumer C. Secondary Consumer D. Decomposer List-II 1. Leopard 2. Bacteria 3. Grass 4. Chinkara
Question 9 of 20
Which of the following statements profoundly characterizes the functional nature of Biogeochemical Cycles?
Question 10 of 20
What does the term 'Ecological Niche' signify when comparing multiple species in an ecosystem?
Question 11 of 20
Which specific organisms are primarily responsible for the execution of chemosynthesis in ecosystems devoid of sunlight?
Question 12 of 20
Which of the following defines a 'Population' in ecological terms?
Question 13 of 20
Which ecological level is structurally defined by distinct energy flow and nutrient cycling?
Question 14 of 20
Among the 17 comprehensive global Sustainable Development Goals (SDGs), which specific goal focuses extensively on 'Life on Land,' aiming to meticulously protect and restore terrestrial ecosystems?
Question 15 of 20
A disastrous ecological consequence of rapid industrialization, which terrestrial forest biome globally consistently records the absolute highest rates of anthropogenic deforestation and structural fragmentation?
Question 16 of 20
Arrange the following levels of ecological organization in ascending order of complexity: 1. Community 2. Organism 3. Biome 4. Ecosystem 5. Population Select the correct code:
Question 17 of 20
In the context of nutrient cycling within an ecosystem, which of the following best describes the fundamental difference between energy flow and biogeochemical cycles?
Question 18 of 20
The term 'Ecology' is derived from the Greek words 'oikos' and 'logos'. What does the word 'oikos' signify?
Question 19 of 20
The stratospheric ozone layer surrounding the Earth primarily acts as a crucial natural biological shield against which specific type of radiation?
Question 20 of 20