MCQ Class 10 Science Our Environment with Answers

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 - 2

Question 1: 

Accumulation of non-biodegradable pesticides in the food chain in increasing amount at each higher trophic level is known as
(a) eutrophication
(b) pollution
(c) biomagnification
(d) accumulation

Correct Answer – (C)

Question 2 : 

The problem caused due to ozone hole is
(a) earthquakes
(b) damage due to UV radiations
(c) chemical pollution
(d) acid rain

Correct Answer – (B)

Question 3 : 

In a given food chain if the amount of energy at the fourth trophic level is 6 kJ, what will be the energy available at the producer level?
(a) 6000 kJ
(b) 20 kJ
(c) 60 kJ
(d) 600 kJ

Correct Answer – (A)

Question 4 : 

Which of the following is biodegradable waste?
(a) DDT
(b) Aluminium can
(c) Plastic bag
(d) Cow dung

Correct Answer – (D)

Question 5 : 

Which one of the following is an artificial ecosystem? [NCERT Exemplar Problems]
(a) Pond
(b) Crop field
(c) Lake
(d) Forest

Correct Answer – (B)

MCQ Class 10 Science Our Environment with Answers

Question 6 : 

An ecosystem includes
(a) all living organisms
(b) non-living objects
(c) both living organisms and non-living objects
(d) sometimes living organisms and sometimes non-living objects

Correct Answer – (C)

Question 7 : 

Which of the following is the best way for disposal of vegetable and fruit peels?
(a) Landfill
(b) Recycling
(c) Composting
(d) Burning

Correct Answer – (C)

Question 8 : 

Which of the two sets belong to the same trophic level?
(a) Rabbit: Tiger
(b) Vulture : Rat
(c) Grasshopper : Hawk
(d) Frog : Lizard

Correct Answer – (D)

Question 9 : 

An ecosystem includes [NCERT Exemplar Problems]
(a) all living organisms
(b) non-living objects
(c) both living organisms and non-living objects
(d) sometimes living organisms and sometimes nonliving objects

Correct Answer – (C)

Question 10 : 

In the garden ecosystem, which of the following are producers?
(a) Insects
(b) Snakes
(c) Grasses
(d) Rabbits

Correct Answer – (C)

MCQ Class 10 Science Our Environment with Answers

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