MCQ Questions | Class 10 Science Chapter 15

MCQ Questions | Class 10 Science Chapter 15 | Our Environment with Answers 

MCQ | Class 10 Science Chapter 15 | Our Environment Set B

Check the below NCERT MCQ Questions for Class 10 Science Chapter 15 Our Environment with Answers Pdf free download. MCQ Questions for Class 10 Science with Answers were prepared based on the latest exam pattern. We have Provided Our Environment Class 10 Science MCQs Questions with Answers to help students understand the concept very well.

Objective Question | Science Class 10 Chapter 15

NCERT Solutions Class 10 Science

Book:	National Council of Educational Research and Training (NCERT)
Board:	Central Board of Secondary Education (CBSE)
Class:	10th
Subject:	Science
Chapter:	15
Chapters Name:	Our Environment
Medium:	English

Class 10th Science Book | Objective Type Questions

You can refer to NCERT Solutions for Class 10 Science Chapter 15 Our Environment to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

Our Environment | Class 10 Science | NCERT Solutions

Q1.	Which of the two in the following sets belong to the same trophic level?
	A. Grass : Grasshopper
	B. Goat : Spider
	C. Hawk : Rat
	D. Frog : Lizard

Ans: Frog : Lizard

Q2.	Acid rain is caused by the oxides of
	A. carbon
	B. nitrogen only
	C. sulphur only
	D. sulphur and nitrogen

Ans: sulphur and nitrogen

Q3.	The depletion of the ozone layer causes
	A. global wanning
	B. earthquakes
	C. increased UV radiations
	D. acid rain

Ans: increased UV radiations

Q4.	Which one of the following pairs belong to the category of primary consumers?
	A. Eagle and snake
	B. Grasshoppers & cattle
	C. Snake and frog
	D. Water beetles & fish

Ans: Grasshoppers & cattle

Q5.	Which of the following is biodegradable?
	A. Aluminium can
	B. Polythene bag
	C. Cowdung
	D. DDT

Ans: Cowdung

Q6.	Which of the following is non-biodegradable-
	A. paper
	B. wood
	C. cloth
	D. plastic

Ans: plastic

Q7.	Trophic level in an ecosystem represents
	A. oxygen level
	B. water level
	C. energy level
	D. salt level

Ans: energy level

Q8.	Excessive exposure to ultraviolet radiation causes
	A. inflammation of liver
	B. cancer of skin
	C. damage to the lungs
	D. jaundice

Ans: cancer of skin

Q9.	Which of the following limits the number of trophic levels in a food chain?
	A. water
	B. polluted air
	C. deficient food supply
	D. decrease in energy at higher trophic levels

Ans: decrease in energy at higher trophic levels

Q10.	A food chain always starts with
	A. respiration
	B. photosynthesis
	C. decay
	D. nitrogen fixation

Ans: photosynthesis

Q11.	Which of the following is non- biodegradable?
	A. Wool
	B. Nylon
	C. Animal bones
	D. Tea leaves

Ans: Nylon

Q12.	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

Ans: they alone have the capacity to synthesise food using sunlight

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MCQ Questions for Class 10 Science Chapter 2 Acids, Bases and Salts Set C
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MCQ Questions for Class 10 Science Chapter 3 Metals and Non-metals Set B
MCQ Questions for Class 10 Science Chapter 3 Metals and Non-metals Set C
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MCQ Questions for Class 10 Science Chapter 7 Control and Coordination Set B
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MCQ Questions for Class 10 Science Chapter 8 How do Organisms Reproduce? Set B
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MCQ Questions for Class 10 Science Chapter 15 Our Environment Set B
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