Environment & Ecology - MOST IMPORTANT RRB Group D Previous Year Questions
Practice real questions from previous year exams of RRB Group D.
📘 Ecosystem - Structure & Components📚 Definition and General Facts
Q1
What is meant by a self-sustaining ecosystem?
🎯 RRB Group - D – 29/09/2022 (Shift-II)
📘 Types of Ecosystems - Human-Modified Ecosystem📚 Agro-Ecosystems
Q2
Which of the following is an artificial ecosystem, which is man-made?
🎯 RRB Group D 01/09/2022 (Shift-II)
📘 Ecosystem - Structure & Components📚 Biotic Components of Ecosystem
Q3
Some characteristic features of autotrophs are given below. Which of the given statements is incorrect regarding autotrophs?
🎯 RRB Group D 20/09/2022 (Shift-III)
📘 Food Chain, Food Web & Ecological Pyramids📚 Food Chain and its Types
Q4
Arrange the following according to the food chain. A. Frog; B. Eagle; C. Paddy; D. Snake; E. Grasshopper
🎯 RRB Group D 12/09/2022 (Shift-II)
📘 Movement of Non-Degradable Pollutants in Ecosystems📚 Biological Magnification (Biomagnification)
Q5
What is the process of accumulation of chemicals in higher trophic levels called?
🎯 RRB Group - D – 12/09/2022 (Shift-I)
📘 Ecosystem - Structure & Components📚 Abiotic Components of Ecosystem
Q6
Which of the following is an abiotic component of the ecosystem?
🎯 RRB Group D 14/09/2022 (Shift-II)
📘 Ecosystem - Structure & Components📚 Biotic Components of Ecosystem
Q7
In what form do autotrophs store their food?
🎯 RRB Group D 14/09/2022 (Shift-II)
📘 Ecosystem - Structure & Components📚 Biotic Components of Ecosystem
Q8
Which of the following is a heterotrophic organism?
🎯 RRB Group - D : 19/09/2022 (Shift-I)
📘 Ecological Efficiency📚 Energy Flow in Food Chain
Q9
Which of the following statements is incorrect regarding the flow of energy between different components of the environment?
🎯 RRB Group - D : 19/09/2022 (Shift-I)
📘 Ecosystem - Structure & Components📚 Misc
Q10
Which of the following statements represents an interaction between an abiotic component and a biotic component in an ecosystem?
🎯 RRB Group D 18/09/2022 (Shift-III)
📘 Ecological Efficiency📚 Energy Flow in Food Chain
Q11
The flow of energy through different trophic levels in an ecosystem ________.
🎯 RRB Group D 27/09/2022 (Shift-II)
📘 Waste Management📚 Solid Waste Management
Q12
Which of these wastes cannot be decomposed by bacteria or other saprophytes?
🎯 RRB Group D 02/09/2022 (Shift-III)
📘 Food Chain, Food Web & Ecological Pyramids📚 General Terms & Facts
Q13
Small carnivores or secondary consumers come at the ________ trophic level.
🎯 RRB Group D 06/10/2022 (Shift-III)
📘 Ecosystem - Structure & Components📚 Biotic Components of Ecosystem
Q14
Which of the following groups of organisms is helpful in keeping the environment clean?
🎯 RRB Group D 17/08/2022 (Shift-I)
📘 Ecosystem - Structure & Components📚 Biotic Components of Ecosystem
Q15
Which of the following is not required for autotrophic nutrition?
🎯 RRB Group D 29/08/2022 (Shift-II)
📘 Waste Management📚 Misc
Q16
Which of the following statements is correct about non-biodegradable substances?
🎯 RRB Group D 20/09/2022 (Shift-II)
📘 Basics of Environment & Ecology📚 Definitions - Environment, Ecology
Q17
________ is the region of the Earth where living organisms can be found or where their life can be sustained.
🎯 RRB Group D 09/09/2022 (Shift-I)
📘 Food Chain, Food Web & Ecological Pyramids📚 Food Chain and its Types
Q18
From the organisms given below, select the apex predator.
🎯 RRB Group D 05/09/2022 (Shift-II)
📘 Energy Sources & Environmental Implications📚 Non-Conventional Renewable Energy Sources
Q19
Different parts of plants, vegetation, and organic waste are called ________.
🎯 RRB Group - D 15-11-2018 (Shift-II)
📘 In Situ Conservation – Protected Areas📚 Biosphere Reserves
Q20
Which of the following is the largest Biosphere Reserve in India in terms of geographical area?
🎯 RRB Group D 28/09/2022 (Shift-II)