Class 10 Biology Chapter 15 Our Environment - MCQs

Class 10 Chapter 15 Our Environment – MCQs

1. ______ is a biodegradable substance. 
   1. Polythene
   2. Paper
   3. Plastic
   4. Glass
   5. None of the above
2. _________ is a non-biodegradable substance.
   1. Human/ animal waste
   2. Newspaper
   3. Aluminium
   4. Plant products
   5. None of the above
3. The _________ is the functional unit of environment.
   1. Genus
   2. Ecosystem
   3. Class
   4. Biome
   5. None of the above
4. ________ are producers
   1. Amoeba
   2. Mushrooms
   3. Sunlight
   4. Green plants
   5. None of the above
5. ___________ is not an abiotic factor
   1. Humidity
   2. Animal
   3. Temperature
   4. Altitude
   5. None of the above
6. _______ is a herbivore.
   1. Whales
   2. Eagle
   3. Bear
   4. Cow
   5. None of the above
7. __________ are biotic factors
   1. Mountains
   2. Rocks
   3. Grass
   4. All of the above
   5. None of the above
8. A ____ is considered a terrestrial ecosystem
   1. Ocean
   2. Pond
   3. Underground caves
   4. Forest
   5. None of the above
9. _______ is an omnivore
   1. Panther
   2. Bear
   3. Wolf
   4. Lion
   5. None of the above
10. Ozone has the chemical formula ___________
    1. O5
    2. O4
    3. O3
    4. O2
    5. None of the above

Explore more MCQs by registering at BYJU’S Biology.