ICSE Class 10

General instructions: Answer all questions. Marks are shown in brackets [ ].

Objective

1. 1.
   Which of the following is a biodegradable waste?

   1. A. Broken glass
   2. B. Wastepaper
   3. C. Polythene
   4. D. Plastic bags
   [1]
2. 2.
   Identify four sources of industrial waste from the options below.

   1. A. Schools, hospitals, farms, and households
   2. B. Chemical units, thermal power plants, petrochemical plants and oil refineries
   3. C. Forests, rivers, lakes, and oceans
   4. D. Parks, gardens, playgrounds, and zoos
   [1]
3. 3.
   How does the segregation of waste contribute to its safe disposal?

   1. A. It allows all waste to be burned together efficiently.
   2. B. It enables recycling, reuse, and proper handling of different waste types.
   3. C. It eliminates the need for landfills entirely.
   4. D. It increases the volume of waste sent to incinerators.
   [1]
4. 4.
   Domestic waste being organic in nature undergoes ______ and create conditions favourable for the growth of pathogens.

   1. A. Fermentation
   2. B. Nitrification
   3. C. Magnification
   4. D. Oxygenation
   [1]
5. 5.
   What is the primary goal of treating gaseous waste?

   1. A. To convert it into solid waste
   2. B. To minimize the generation of gaseous waste
   3. C. To release it into water bodies
   4. D. To store it underground permanently
   [1]
6. 6.
   Which of the following is NOT a benefit of composting?

   1. A. Provides essential nutrients for plant growth.
   2. B. Improves soil texture and regulates temperature.
   3. C. Increases the need for chemical fertilizers in agriculture.
   4. D. Controls weed growth in gardens.
   [1]
7. 7.
   Which of the following sets correctly names three monuments affected by acid rain?

   1. A. Parthenon of Athens, Colosseum of Rome, Taj Mahal of Agra
   2. B. Eiffel Tower, Statue of Liberty, Big Ben
   3. C. Great Wall of China, Pyramids of Giza, Machu Picchu
   4. D. Sydney Opera House, Leaning Tower of Pisa, Petra
   [1]
8. 8.
   Which of the following is NOT a toxic substance present in e-waste?

   1. A. Cadmium
   2. B. Lead
   3. C. Mercury
   4. D. Methane
   [1]
9. 9.
   How does industrial waste primarily reach and affect human health?

   1. A. Through direct inhalation of methane gas from sanitary landfills.
   2. B. Via disease-spreading animals, air pollution, and contaminated water from waste decomposition.
   3. C. Only through visual pollution and unpleasant odors.
   4. D. By increasing oxygen levels in water bodies, harming aquatic life.
   [1]
10. 10.
    As a responsible student, which of the following actions would best contribute to reducing and managing waste in your surroundings?

    1. A. Burning all waste to reduce its volume quickly.
    2. B. Segregating waste into biodegradable and non-biodegradable categories for proper disposal.
    3. C. Disposing of all waste in a single bin to save time.
    4. D. Throwing waste into nearby water bodies to avoid accumulation.
    [1]