Start learning →

State PSC Science & Technology — practice questions — page 9

Explore 248 free Science & Technology questions in State PSC Environment. Open each question or exercise to read its content, reference answers and available explanation.

Practise Science & Technology with Quill →

Science & Technology questions and exercises with answers

Showing questions 241–248 of 248.

Catch the treatment stepsRead the answer and worked solution →Pop the water borne diseasesRead the answer and worked solution →Run the treatment plantRead the answer and worked solution →Slice the sewage wordsRead the answer and worked solution →Organic or inorganic impurityRead the answer and worked solution →Sort the treatment processesRead the answer and worked solution →Type the numberRead the answer and worked solution →Wastewater bingoRead the answer and worked solution →

Worked practice questions

Catch the treatment steps

Read exercise and reference answers
Items
  1. Matches the category
    Yes
    Item
    Bar screen
  2. Matches the category
    Yes
    Item
    Grit tank
  3. Matches the category
    Yes
    Item
    Clarifier
  4. Matches the category
    Yes
    Item
    Aeration
  5. Matches the category
    Yes
    Item
    Sludge tank
  6. Matches the category
    Yes
    Item
    Chlorine
  7. Matches the category
    No
    Item
    Cooking oil
  8. Matches the category
    No
    Item
    Paint
Category
Treatment steps
Instructions
Catch the stages of a wastewater treatment plant. Let the drain-cloggers fall.
_Source: syllabus Science, Chapter 18, Wastewater Story._

Open this exercise →

Pop the water borne diseases

Read exercise and reference answers
Other terms
  1. Malaria
  2. Dengue
  3. Asthma
  4. Scurvy
Matching terms
  1. Cholera
  2. Typhoid
  3. Polio
  4. Meningitis
  5. Hepatitis
  6. Dysentery
Instructions
Pop the diseases spread by polluted water. Leave the others.
_Source: syllabus Science, Chapter 18, Wastewater Story._

Open this exercise →

Run the treatment plant

Read exercise and reference answers
Questions
  1. Correct
    Anaerobic
    Choices
    1. Anaerobic
    2. Aerobic
    3. Earthworm
  2. Correct
    Aerobic
    Choices
    1. Anaerobic
    2. Aerobic
    3. Earthworm
  3. Correct
    Earthworm
    Choices
    1. Anaerobic
    2. Aerobic
    3. Earthworm
  4. Correct
    Sludge
    Choices
    1. Sludge
    2. Skimmer
    3. Biogas
  5. Correct
    Skimmer
    Choices
    1. Sludge
    2. Skimmer
    3. Biogas
  6. Correct
    Biogas
    Choices
    1. Sludge
    2. Skimmer
    3. Biogas
Instructions
Who works: sludge tank, aerated water, vermi toilet; then: settled solids, grease remover, sludge gas.
_Source: syllabus Science, Chapter 18, Wastewater Story._

Open this exercise →

How to practise

  1. Choose a Science & Technology question and try to work out your answer.
  2. Open the question to check the correct answer and read its worked solution.
  3. Continue in the app for bite-sized lessons, explanations and review with Quill. You can start without creating an account.

More Environment topics

Environment & EcologyCurrent AffairsIndian GeographySoil & VegetationNational ParksConservationEndangered SpeciesProtected Areas