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