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Ecology & Conservation MCQs for LDC

Practice 20 free ecology & conservation multiple choice questions for LDC exam. Instant answers, explanations in Hindi and English, and topic-wise targeted practice.

Master Ecology & Conservation under Ecology & Environment for LDC with our curated MCQ set. Every question is sourced from real Rajasthan exam patterns and updated regularly. Switch between Hindi and English anytime. Use this daily to strengthen weak areas before the exam.

LDC — Ecology & Environment — Ecology & Conservation

20 Questions • Instant results & explanations • Hindi & English

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Question 1 of 20

Match List-I (Ecological Component) with List-II (Examples) correctly: List-I A. Inorganic substance B. Organic compound C. Climatic regime D. Producer List-II 1. Carbohydrates 2. Light intensity 3. Nitrogen 4. Algae

Question 2 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 3 of 20

Which of the following describes the fundamental distinction between primary and secondary ecological succession?

Question 4 of 20

Which of the following is characterized by distinct energy flow and nutrient cycling within the biosphere?

Question 5 of 20

Consider the following statements: 1. The Forest Conservation Act is an example of an environmental law that necessitates an understanding of ecology for effective enforcement. 2. The primary aim of ecological conservation is to lock away resources so they can never be utilized by humans. Which of the statements given above is/are correct?

Question 6 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 7 of 20

The concept of 'Ecological Pyramids', utilized to graphically represent the hierarchical trophic structures of populations, biomass, and energy, was originally developed by:

Question 8 of 20

Which of the following describes the flow of energy and the cycling of nutrients?

Question 9 of 20

Which specific trait prevents two different species from occupying the exact same Ecological Niche indefinitely?

Question 10 of 20

What distinguishes a 'Community' from an 'Ecosystem'?

Question 11 of 20

Which specific components of an ecosystem are categorized as the crucial structural links that bridge the biotic and abiotic realms?

Question 12 of 20

Assertion (A): The Wildlife Protection Act and Forest Conservation Act are essentially ecological management tools. Reason (R): These acts require a scientific understanding of ecosystems to effectively manage natural capital and drive sustainable development. Select the correct code:

Question 13 of 20

Which of the following is NOT an abiotic component mentioned in the context of an organism's habitat?

Question 14 of 20

Which ecological level is structurally defined by distinct energy flow and nutrient cycling?

Question 15 of 20

Which of the following is considered the fundamental unit of ecological study, where scientists observe how physiology and behavior adapt to environmental changes?

Question 16 of 20

Assertion (A): Maintaining ecological balance is purely an academic exercise with no real-world application. Reason (R): Ecological homeostasis governs practical daily necessities such as the availability of clean air, potable water, and agricultural stability. Select the correct option:

Question 17 of 20

If an ecologist is studying how a specific animal processes scarce water to survive in the desert, they are primarily studying at which level of ecological organization?

Question 18 of 20

Which specific natural disturbances act as the typical catalysts for Secondary Succession to begin?

Question 19 of 20

Which phase of ecosystem dynamics involves the initial weathering of solid rock by pioneer species like lichens to form primitive soil?

Question 20 of 20

Assertion (A): The flow of energy through an ecosystem's food chain is strictly unidirectional. Reason (R): As energy moves from producers to higher trophic levels, roughly 90% is dissipated into the environment as heat due to the laws of thermodynamics.

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