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State PSC Current Affairs — practice questions — page 7

Explore 218 free Current Affairs questions in State PSC Environment. Open each question or exercise to read its content, reference answers and available explanation.

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Current Affairs questions and exercises with answers

Showing questions 181–210 of 218.

Catch the greenhouse gasesRead the answer and worked solution →Pop the air pollutantsRead the answer and worked solution →Run the pollution numbersRead the answer and worked solution →Slice the pollution wordsRead the answer and worked solution →Air or water pollutantRead the answer and worked solution →Sort cause, effect and remedyRead the answer and worked solution →Type the numberRead the answer and worked solution →Air and water pollution bingoRead the answer and worked solution →Used water rich in lather, oil and dirt going down drains from sinks and toilets is called:Read the answer and worked solution →More than how many people worldwide have no access to safe drinking water?Read the answer and worked solution →The UN proclaimed 2005-2015 as the International Decade for action on:Read the answer and worked solution →Wastewater released by homes, industries, hospitals and offices, including storm runoff, is:Read the answer and worked solution →Vibrio cholerae and Salmonella paratyphi in sewage cause cholera and:Read the answer and worked solution →The network of big and small pipes carrying sewage to a treatment plant is the:Read the answer and worked solution →Manholes in a sewerage system are located every:Read the answer and worked solution →The first step at a wastewater treatment plant removes rags, sticks and cans using:Read the answer and worked solution →In the grit and sand removal tank, the speed of incoming wastewater is decreased so that:Read the answer and worked solution →Solids like faeces that settle at the bottom of the clarifier tank are called:Read the answer and worked solution →The device that removes floatable solids like oil and grease from wastewater is a:Read the answer and worked solution →Sludge in a separate tank is decomposed by anaerobic bacteria, producing:Read the answer and worked solution →Air is pumped into clarified water to help which bacteria grow and eat remaining waste?Read the answer and worked solution →Activated sludge is about what share water?Read the answer and worked solution →Dried sludge from a treatment plant is used as:Read the answer and worked solution →Treated water may be disinfected before release with chlorine and:Read the answer and worked solution →Which trees planted along sewage ponds absorb surplus wastewater and release pure vapour?Read the answer and worked solution →Cooking oil and fats should not go down the drain because they:Read the answer and worked solution →Swachh Bharat, the mission for sewage disposal and toilets for all, began in:Read the answer and worked solution →A vermi-processing toilet treats human excreta using:Read the answer and worked solution →Groundwater polluted by open defecation becomes the most common route for:Read the answer and worked solution →Septic tanks are suitable for hospitals, isolated buildings or a cluster of how many houses?Read the answer and worked solution →

Worked practice questions

Catch the greenhouse gases

Read exercise and reference answers
Items
  1. Matches the category
    Yes
    Item
    Carbon dioxide
  2. Matches the category
    Yes
    Item
    Methane
  3. Matches the category
    Yes
    Item
    Nitrous oxide
  4. Matches the category
    Yes
    Item
    Water vapour
  5. Matches the category
    No
    Item
    Oxygen
  6. Matches the category
    No
    Item
    Nitrogen
  7. Matches the category
    No
    Item
    Argon
  8. Matches the category
    No
    Item
    Helium
Category
Greenhouse gases
Instructions
Catch the gases that trap heat. Let the harmless air gases fall.
_Source: syllabus Science, Chapter 18, Pollution of Air and Water._

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Pop the air pollutants

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Other terms
  1. Oxygen
  2. Nitrogen
  3. Argon
  4. Water
Matching terms
  1. Carbon monoxide
  2. Sulphur dioxide
  3. Nitrogen oxides
  4. CFCs
  5. Smoke
  6. Soot
Instructions
Pop the air pollutants. Leave the normal components of clean air.
_Source: syllabus Science, Chapter 18, Pollution of Air and Water._

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Run the pollution numbers

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Questions
  1. Correct
    78
    Choices
    1. 78
    2. 21
    3. 2
  2. Correct
    21
    Choices
    1. 78
    2. 21
    3. 2
  3. Correct
    2
    Choices
    1. 78
    2. 21
    3. 2
  4. Correct
    1985
    Choices
    1. 1985
    2. 2016
    3. 5000
  5. Correct
    2016
    Choices
    1. 1985
    2. 2016
    3. 5000
  6. Correct
    5000
    Choices
    1. 1985
    2. 2016
    3. 5000
Instructions
Air: % nitrogen, % oxygen, degrees rise feared; then Ganga Plan year, Clean Ganga year, Kanpur industries.
_Source: syllabus Science, Chapter 18, Pollution of Air and Water._

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