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LDC — Ecology & Conservation MCQs

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

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

LDC — Ecology & Environment — Ecology & Conservation

20 Questions • Instant results & explanations • Hindi & English

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Question 1 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 2 of 20

Which of the following elements is classified under the 'climatic regimes' of an ecosystem's abiotic components?

Question 3 of 20

If 'Ecology' deals with the reciprocal relationships between organisms and their environment, which word best encapsulates the 'living' part of this relationship?

Question 4 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 5 of 20

Who was Ernst Haeckel, the individual credited with coining the term 'Ecology' in 1869?

Question 6 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 7 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 8 of 20

Which specific organisms are primarily responsible for the execution of chemosynthesis in ecosystems devoid of sunlight?

Question 9 of 20

Consider the following statements regarding the Pyramid of Biomass: 1. It represents the total dry weight of living biological matter at each trophic level. 2. In aquatic ecosystems, it is typically inverted due to the low standing crop biomass of phytoplankton at any given moment. Which of the statements given above is/are correct?

Question 10 of 20

Which set of factors comprehensively defines the 'Environment' of an organism?

Question 11 of 20

For REET candidates aiming to become educators, why is a profound understanding of ecology explicitly stated as 'non-negotiable'?

Question 12 of 20

Why is the study of Ecology considered crucial for law enforcement officials like Police Sub-Inspectors?

Question 13 of 20

The dynamic matrix of the environment is composed of three primary interacting spheres. Which of the following correctly identifies these components?

Question 14 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 15 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 16 of 20

If multiple distinct species of birds live in the exact same forest canopy, they are sharing the same:

Question 17 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 18 of 20

In ecological parlance, if a habitat is the 'address' of an organism, what term corresponds to its 'profession'?

Question 19 of 20

Which of the following best describes the concept of 'homeostasis' in the context of ecology?

Question 20 of 20

What is the primary condition required for a group of individuals to be classified scientifically as a 'Population'?

More Ecology & Environment Subtopics

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