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RRB JE - SPLessons
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RRB JE Environment Basics

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RRB JE Environment Basics

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RRB JE 2018-19 – Second Stage CBT, conducted in online Mode, has: a duration of 2 Hour [160 Minutes for eligible PwBD candidates accompanied with Scribe], a maximum score of 100 marks and consists of 5 sections, namely – General Awareness, Physics & Chemistry, Basics of Computers and Applications, Basics of Environment and Pollution Control and Technical Abilities. The 5 sections are not separately timed. There is a Negative marking in RRB JE Second Stage CBT and 1/3rd marks are deducted for each wrong answer. The below sections gives the detailed information about RRB JE Environment Basics and Pollution Control.

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Subjects No. of Questions Marks for each Section Duration
Stage-II
General Awareness 15 15 120 minutes [Note: 160 Minutes for eligible PwBD candidates accompanied with Scribe]
Physics & Chemistry 15 15
Basics of Computers and Applications 10 10
Basics of Environment and Pollution Control 10 10
Technical Abilities 100 100
Total 150 150

The RRB JE Environment Basics and Pollution Control section in the Second Stage CBT, has the 10 objective questions for 10 marks. Below mentioned are the different categories of expected questions in the Second Stage CBT of RRB JE Environment Basics Section.

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[Click Here] for RRB JE Second Stage CBT Syllabus

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1. What is the average concentration of ozone in the ozone layer of the atmosphere?

    A. Nearly 100% B. Greater than 90% C. Between 10-50% D. Less than 10ppm

Answer: Option (D)
2. Who discovered the ozone layer?

    A. Henri Buisson & Charles Fabry B. Carl Sagan & Charles Fabry C. G.M.B Dobson D. Carl Sagan &G.M.B Dobson

Answer: Option (A)
3. Which of the following devices can be used to measure ozone in the stratosphere from the ground?

    A. Spectrometer B. Photometer C. Spectrometer D. Spectro-ozonometer

Answer: Option (C)
4. Below which of the following pH is rain regarded as ‘acid rain’?

    A. 7 B. 7.3 C. 5.6 D. 6

Answer: Option (C)
5. Glass containers are generally not preferred for sampling rain water. Why?

    A. Glass containers are expensive B. Glass containers are not easy to maintain C. Glass containers affect the pH of the rain water D. All of the mentioned

Answer: Option (C)
6. Which of the following gases are main contributors to acid rain?

    A. Carbon dioxide and carbon monoxide B. Sulphur dioxide and carbon dioxide C. Sulphur dioxide and nitrogen dioxide D. Sulphur dioxide and nitrous oxide

Answer: Option (D)
7. Global warming also refers to as?

    A. Climate change B. Ecological change C. Atmosphere change D. None of the above

Answer: Option (A)
8. Without the Earth’s atmosphere, the Earth’s average temperature would be well below the ______ temperature of water?

    A. Boiling B. Freezing C. Vaporization D. None of the above

Answer: Option (B)
9. The El-Nino Phenomenon occurs in?

    A. Atlantic Ocean B. Pacific Ocean C. Indian Ocean D. Arctic Ocean

Answer: Option (B)
10. Which of the following types of sources of energy do not produce carbon di-oxide?

    A. Wind energy B. Geothermal energy C. Hydroelectric energy D. All of the above

Answer: Option (D)
11. Which process improves efficiency of solid waste management?

    A. Disposal B. Collection C. Compositing D. Processing

Answer: Option (D)
12. Main sources of noise pollution are?

    A. Transportation equipment B. Musical instruments C. Heavy machinery D. A and C both

Answer: Option (D)
13. The following unit is not used to measure turbidity of water?

    A. NTU B. ATU C. JTU D. FTU

Answer: Option (B)
14. According to EPA of USA, the following is not one of the six major pollutants?

    A. Ozone B. Carbon monoxide C. Nitrogen oxides D. Carbon di-oxide

Answer: Option (D)
15. The Pollution Standard Index (PSI) scale has span from?

    A. 0-200 B. 0-300 C. 0-400 D. 0-500

Answer: Option (D)

RRB JE – Related Information
RRB JE – Computer Aptitude - Study Guide
RRB JE – General Awareness - Study Guide
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