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Rajasthan SI — Ecology & Conservation MCQs

Practice 20 free ecology & conservation multiple choice questions for Rajasthan SI exam. Instant answers with explanations in Hindi and English.

Master Ecology & Conservation under Ecology & Environment for Rajasthan SI with our curated MCQ set. Every question follows real Rajasthan exam patterns. Switch between Hindi and English anytime.

Rajasthan SI — Ecology & Environment — Ecology & Conservation

20 Questions • Instant results & explanations • Hindi & English

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Question 1 of 20

According to Lindeman's 10% Law of energy transfer, what exactly accounts for the 90% of energy that is NOT assimilated into the biomass of the subsequent trophic level?

Question 2 of 20

Arrange the following ecological concepts in descending order of their spatial and functional scale: 1. Biome 2. Population 3. Biosphere 4. Ecosystem 5. Community

Question 3 of 20

What does the term 'Ecological Niche' signify when comparing multiple species in an ecosystem?

Question 4 of 20

In the study of ecosystem dynamics, the term 'Climax Community' specifically refers to:

Question 5 of 20

The term 'Ecology' is derived from the Greek words 'oikos' and 'logos'. What does the word 'oikos' signify?

Question 6 of 20

Which of the following statements correctly differentiates 'Community' from 'Population' in ecological studies?

Question 7 of 20

Assertion (A): The Carbon Cycle is primarily classified as a gaseous biogeochemical cycle. Reason (R): The primary reservoir of carbon utilized by living organisms is atmospheric CO2 absorbed during photosynthesis.

Question 8 of 20

Which of the following abiotic components acts as a direct structural link between the biotic and abiotic realms of an ecosystem?

Question 9 of 20

What is the core difference between 'Conservation' and mere 'Preservation' in ecological management?

Question 10 of 20

Consider the following statements regarding 'Conservation': 1. It implies the mere preservation of natural resources in their pristine, untouched state. 2. It emphasizes the sustainable management of natural capital to yield benefits for both present and future generations. Which of the statements given above is/are correct?

Question 11 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 12 of 20

Who coined the term 'Ecology' in the year 1869?

Question 13 of 20

Unlike a grazing food chain, a Detritus Food Chain fundamentally begins its energy sequence with:

Question 14 of 20

Which is the highest and most inclusive level of ecological organization that encompasses all life and ecosystems?

Question 15 of 20

In the context of the Detritus Food Chain, which of the following acts as the primary link that transfers energy from dead organic matter to small carnivores?

Question 16 of 20

In the hierarchical classification of biotic components, secondary consumers are ecologically synonymous with which of the following terms?

Question 17 of 20

According to Gause's Competitive Exclusion Principle, what is the ultimate ecological outcome when two species occupy the exact same ecological niche in the same habitat indefinitely?

Question 18 of 20

In the hierarchical structure of consumers within an ecosystem, which of the following represents the correct ecological sequence starting from the primary level to the tertiary level?

Question 19 of 20

Which dynamic component is shared among all populations within a 'Community'?

Question 20 of 20

Under which specific ecological scenario does the Pyramid of Number appear completely inverted rather than upright?

More Ecology & Environment Subtopics

Practice other subtopics under Ecology & Environment to strengthen your Rajasthan SI preparation.