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 - 1
Question 1:Â
Which of the following is an autotroph?
(a) Lion
(b) Insect
(c) Tree
(d) Mushroom
Correct Answer – (C)
Question 2 :Â
Which of the following statements about food chain and energy flow through ecosystem is false?
(a) Food webs include two or more food chains.
(b) All organisms that are not producers are consumers.
(c) A single organism can feed at several trophic levels.
(d) Detritivores feed at all trophic levels except the producer level.
(e) The lower the trophic level at which an organism feeds, the more energy available.
Correct Answer – (D)
Question 3 :Â
A food chain comprising birds, green plants, fish and man.
The concentration of harmful chemical entering the food chain will be maximum in
(a) green plants
(b) man
(c) birds
(d) fish
Correct Answer – (B)
Question 4 :Â
In an ecosystem, herbivores represent
(a) producers
(b) primary consumers
(c) secondary consumers
(d) decomposers
Correct Answer – (B)
Question 5 :Â
Which of the following is non- biodegradable?
(a) Wool
(b) Nylon
(c) Animal bones
(d) Tea leaves
Correct Answer – (B)
MCQ Class 10 Science Our Environment with Answers
Question 6 :Â
Which of the following is a logical sequence of food chain
(a) producer → consumer → decomposer
(b) producer → decomposer → consumer
(c) consumer → producer → decomposer
(d) decomposer → producer → consumer
Correct Answer – (A)
Question 7 :Â
First link in any food chain is usually green plants because
(a) they are widely distributed
(b) they are fixed at one place in the soil
(c) they alone have the capacity to synthesise food using sunlight
(d) there are more herbivores than carnivores
Correct Answer – (C)
Question 8 :Â
Trophic level in an ecosystem represents
(a) oxygen level
(b) water level
(c) energy level
(d) salt level
Correct Answer – (C)
Question 9 :Â
Which one of the following will undergo fastest bio-degradation?
(a) Mango seed
(b) Wood
(c) Mango peel
(d) Mango pulp
Correct Answer – (D)
Question 10 :Â
Which of the following is biodegradable?
(a) Plastic mugs
(b) Leather belts
(c) Silver foil
(d) Iron nails
Correct Answer – (B)
- 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
