CBSE Class 10 Science Chapter 15 Our Environment Multiple Choice Questions with Answers. MCQ Class 10 Science Our Environment with Answers was Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 10 Science Our Environment MCQs with Answers to know their preparation level.
MCQ Class 10 Science Our Environment with Answers - Set - 6
Question 1:Â
Which of the following is an autotroph?
(a) Lion
(b) Insect
(c) Tree
(d) Mushroom
Correct Answer – (C)
Question 2 :Â
In the garden ecosystem, which of the following are producers?
(a) Insects
(b) Snakes
(c) Grasses
(d) Rabbits
Correct Answer – (C)
Question 3 :Â
What will happen if all the deer are killed in the given food chain?
Grass → Deer → Lion
(a) The population of grass decreases.
(b) The population of lions increases.
(c) The population of lions remains unchanged.
(d) The population of lions decreases and grass increases.
Correct Answer – (D)
Question 4 :Â
The decomposers in an ecosystem-
(a) convert organic material to inorganic forms
(b) convert inorganic material to simpler forms
(c) convert inorganic material into organic compound
(d) do not break down organic compound
Correct Answer – (A)
Question 5 :Â
The percentage of solar radiation absorbed by all the green plants for the process of photosynthesis is about-
(a) 1%
(b) 8%
(c) 5%
(d) 10%
Correct Answer – (A)
MCQ Class 10 Science Our Environment with Answers
Question 6 :Â
Which of the following is biodegradable?
(a) Plastic mugs
(b) Leather belts
(c) Silver foil
(d) Iron nails
Correct Answer – (B)
Question 7 :Â
Which of the following is not a terrestrial ecosystem-
(a) forest
(b) desert
(c) aquarium
(d) grassland
Correct Answer – (C)
Question 8 :Â
Which of the following is an abiotic component of an ecosystem?
(a) Humus
(b) Bacteria
(c) Plants
(d) Fungi
Correct Answer – (A)
Question 9 :Â
The second trophic level is always of-
(a) herbivores
(b) autotrophs
(c) carnivores
(c) producers
Correct Answer – (A)
Question 10 :Â
In natural ecosystems, decomposers include-
(a) only bacteria and fungi
(b) only microscopic animals
(c) herbivores and carnivores
(d) both (b) and (c)
Correct Answer – (A)
- NCERT Solutions Class 10 Science Chapter 8 : How Do Organisms Reproduce?
- NCERT Solutions Class 10 Science Chapter 9 : Heredity and Evolution
- NCERT Solutions Class 10 Science Chapter 10 : Light Reflection and Refraction
- NCERT Solutions Class 10 Science Chapter 11 : Human Eye and Colourful World
- NCERT Solutions Class 10 Science Chapter 12 : Electricity
- NCERT Solutions Class 10 Science Chapter 13 : Magnetic Effects of Electric Current
- NCERT Solutions Class 10 Science Chapter 14 : Sources of Energy
- NCERT Solutions Class 10 Science Chapter 15 : Our Environment
- NCERT Solutions Class 10 Science Chapter 16 : Management of Natural Resources
- NCERT Solutions Class 10 Science Textbook Download
