Environment & Ecology - MOST IMPORTANT RRB NTPC Previous Year Questions
Practice real questions from previous year exams of RRB NTPC.
📘 In Situ Conservation – Protected Areas📚 Marine Protected Areas (MPAs)
Q1
Which was the largest marine protected area in the world which was formed in October 2016?
🎯 RRB NTPC 17.01.2017 (Shift-I) Stage Ist
📘 Movement of Non-Degradable Pollutants in Ecosystems📚 Biological Magnification (Biomagnification)
Q2
What is the reason for bio-Magnification?
🎯 RRB NTPC Stage-Ist, 29.04.2016 (Shift-II)
📘 Measuring Pollution Load in Water📚 Dissolved Oxygen (DO)
Q3
To determine the health of aquatic organisms, which of the following declaration is calculated?
🎯 RRB NTPC Stage-Ist, 27.04.20167 (Shift-I)
📘 Basics of Environment & Ecology📚 Definitions - Environment, Ecology
Q4
Who has coined the term 'ecology'?
🎯 RRB NTPC 01.02.2021 (Shift-II) Stage Ist
📘 Ecological Efficiency📚 Lindeman's 10 Percent Law
Q5
The ten percent law of energy transfer was given by:
🎯 RRB NTPC 11.03.2021 (Shift-I) Stage Ist
📘 Ecosystem - Structure & Components📚 Biotic Components of Ecosystem
Q6
Name the type of nutrition in which the organism takes in nutrients in solution form from dead and decaying matters.
🎯 RRB NTPC 01.04.2021 (Shift-I) Stage Ist
📘 Food Chain, Food Web & Ecological Pyramids📚 Food Chain and its Types
Q7
Which of the following is in the third trophic level of the food chain?
🎯 RRB NTPC 07.01.2021 (Shift-I) Stage Ist
📘 Ecosystem - Structure & Components📚 Biotic Components of Ecosystem
Q8
Green plants and certain bacteria manufacture their own food. Which one of the following nutrition process do they adopt?
🎯 RRB NTPC 18.01.2021 (Shift-I) Stage Ist
📘 Ecosystem - Structure & Components📚 Biotic Components of Ecosystem
Q9
Green plants and certain bacteria manufacture their own food. Which one of the following nutrition process do they adopt?
🎯 RRB NTPC 15.02.2021 (Shift-II) Stage Ist
📘 Food Chain, Food Web & Ecological Pyramids📚 General Terms & Facts
Q10
Which of the following are not omnivorous?
🎯 RRB NTPC Stage-It, 17.01.2017 (Shift-II)
📘 Food Chain, Food Web & Ecological Pyramids📚 Food Chain and its Types
Q11
Which of the following is the second trophic level of the food chain?
🎯 RRB NTPC Stage-Ist, 26.04.2016 (Shift-II)
📘 General Miscellaneous📚 Miscellaneous
Q12
Dr. Dhrubajyoti Ghosh is related to which of the following field?
🎯 RRB NTPC Stage-Ist, 19.01.2017 (Shift-III)
📘 Food Chain, Food Web & Ecological Pyramids📚 Ecological Pyramids and their Categories
Q13
Which of the following populations has the most population in a food chain?
🎯 RRB NTPC Stage-Ist, 19.01.2017 (Shift-III)
📘 Food Chain, Food Web & Ecological Pyramids📚 Food Chain and its Types
Q14
What is the difference between the primary consumer and secondary consumer in the food chain?
🎯 RRB NTPC Stage-Ist, 17.01.2017 (Shift-I)
📘 Basics of Environment & Ecology📚 Ecotone and Ecocline
Q15
What is the meaning of Ecotone?
🎯 RRB NTPC Stage-Ist, 11.04.2016 (Shift-I)
📘 Basics of Environment & Ecology📚 Definitions - Environment, Ecology
Q16
Who defined the concept of ecosystem?
🎯 RRB NTPC Stage-Ist, 28.03.2016 (Shift-III)
📘 Ex Situ Conservation – Living Repositories📚 Aquaria
Q17
Aquarium is a pot in which live fish and aquatic plants are kept. Which of the following is correct about Aquarium?
🎯 RRB NTPC Stage-Ist, 22.04.2016 (Shift-II)
📘 Biodiversity📚 Threats to Biodiversity
Q18
Species of animal are becoming endangered mostly due to........?
🎯 RRB NTPC Stage-Ist, 02.04.2016 (Shift-I)
📘 Basics of Environment & Ecology📚 Definitions - Environment, Ecology
Q19
What is the scientific analysis and study of interactions between organisms and the environment?
🎯 RRB NTPC Stage-Ist, 02.04.2016 (Shift-I)
📘 Biodiversity📚 Definition & General Facts
Q20
Flora and Fauna are mentioned in
🎯 RRB NTPC Stage-Ist, 17.01.2017 (Shift-II)