Our Environment Class 10 Science MCQ Quiz – Test Your Knowledge

Are you ready to test your knowledge of Our Environment? This chapter focuses on ecosystem components, food chains, trophic levels, ozone layer depletion, and waste management—important topics for your CBSE Class 10 Science exam.

About the Quiz

  • Chapter Name: Our Environment
  • Subject: Science (Biology)
  • Book: NCERT Class 10 Science
  • Question Type: Multiple Choice Questions (MCQs)
  • Leaderboard: Yes (Compete with Others!)

Why Take This Quiz?

✔ Helps in quick revision for board exams
✔ Covers important NCERT-based questions
Leaderboard feature to track your performance

Click Below to Start the Quiz!

Chapter 13 - Our Environment

1 / 15

Which trophic level is incorrectly defined?

2 / 15

Which of the following features relates to biodegradable substances?

3 / 15

Matter and energy are two fundamental inputs of an ecosystem. Movement of

4 / 15

  • Assertion: The food chain is responsible for the entry of harmful chemicals into our bodies.
  • Reason: The length and complexity of food chains vary greatly.

5 / 15

Observe the food web and answer the questions given below:

Observe the food web and answer the questions given below

The mussel can be described as

6 / 15

In the given food chain, suppose the amount of energy at the fourth trophic level is 5 kJ, what will be the energy available at the producer level?

Grass → Grasshopper → Frog → Snake → Hawk

7 / 15

If a deer is eaten by a tiger, then the energy transfer will be from

8 / 15

The given figure best represents:

food chain in forest, grassland and pond

9 / 15

The decomposers are not included in the food chain. The correct reason for the same is because decomposers:

10 / 15

What will happen if deer is missing from the food chain given below?

Grass → Deer → Tiger

11 / 15

In the food web, what two organisms are competing for food?

In the food web, what two organisms are competing for food

12 / 15

Which of the following limits the number of trophic levels in a food chain?

13 / 15

Which of the following organisms convert organic material to inorganic forms?

14 / 15

In 1987, an agreement was formulated by the United Nations Environment Programme (UNEP) to freeze the production of “X” to prevent the depletion of “Y”. “X” and “Y” respectively referred to here are:

15 / 15

  • Assertion: Biodegradable substances result in the formation of compost and natural replenishment.
  • Reason: It is due to the breakdown of complex inorganic substances into simple organic substances.

Your score is

The average score is 60%

Leaderboard – Top Scorers

Check out the highest scorers below!

Pos.NameScoreDurationPoints
1Priya100 %1 minutes 10 seconds15
2Abhinav100 %1 minutes 23 seconds15
3Sa100 %1 minutes 26 seconds15
4Varun100 %1 minutes 37 seconds15
5Priya Singh100 %1 minutes 42 seconds15
6Priya Singh100 %1 minutes 47 seconds15
7varun100 %1 minutes 47 seconds15
8Nirun100 %1 minutes 51 seconds15
9Anmol100 %2 minutes 2 seconds15
10Manu Manvith100 %2 minutes 5 seconds15
11Veer100 %2 minutes 9 seconds15
12,,,,100 %2 minutes 10 seconds15
13Manvith100 %3 minutes 1 seconds15
14Shree100 %3 minutes 23 seconds15
15Pritha100 %3 minutes 33 seconds15
16varun100 %5 minutes 38 seconds15
17Priya Singh100 %8 minutes 17 seconds15
18Akarsh93 %1 minutes 30 seconds14
19Vivian93 %1 minutes 35 seconds14
20Priya93 %2 minutes 8 seconds14
21Varun93 %2 minutes 8 seconds14
22Priya Singh93 %2 minutes 12 seconds14
23Priya Singh93 %2 minutes 25 seconds14
24Ashish93 %2 minutes 34 seconds14
25/93 %2 minutes 37 seconds14
26Judith93 %2 minutes 46 seconds14
27Nirun93 %2 minutes 46 seconds14
28Mahi93 %2 minutes 52 seconds14
29Harshita93 %3 minutes 11 seconds14
30.93 %3 minutes 22 seconds14
31Gaurav93 %5 minutes 19 seconds14
32Priya Singh93 %7 minutes 1 seconds14
33Sivangi93 %10 minutes 51 seconds14
34Iqra Nafees93 %12 minutes 20 seconds14
35varun93 %31 minutes 21 seconds14
36Jkl87 %1 minutes 39 seconds13
37Hi87 %1 minutes 57 seconds13
38Shabby87 %2 minutes 8 seconds13
39Amal Roshna87 %2 minutes 9 seconds13
40Soumya87 %2 minutes 15 seconds13
41Anaya87 %2 minutes 45 seconds13
42Varun87 %3 minutes13
43.87 %3 minutes 11 seconds13
44Kajal87 %3 minutes 16 seconds13
45Cc87 %3 minutes 18 seconds13
46Anushka87 %3 minutes 19 seconds13
47Anmol87 %3 minutes 22 seconds13
48golu chaudhry87 %3 minutes 24 seconds13
49A87 %3 minutes 56 seconds13
50Anu87 %3 minutes 58 seconds13
51Praveen87 %4 minutes 11 seconds13
52Abhishek Kumar87 %4 minutes 15 seconds13
53Judith87 %4 minutes 46 seconds13
54Shalu87 %4 minutes 52 seconds13
55M87 %5 minutes 36 seconds13
56Shraddha87 %5 minutes 36 seconds13
57gfyfyt87 %5 minutes 57 seconds13
58Harahul87 %6 minutes 26 seconds13
59H87 %8 minutes 11 seconds13
60akki87 %17 minutes 41 seconds13
61Akarsh80 %1 minutes 23 seconds12
62Shreyansh Singh80 %1 minutes 32 seconds12
63Akarsh80 %1 minutes 40 seconds12
64Shreyansh Singh80 %2 minutes 17 seconds12
65Pritha80 %2 minutes 41 seconds12
66Shreya R Gowda80 %3 minutes 14 seconds12
67Aakriti80 %3 minutes 15 seconds12
68pakhee80 %3 minutes 18 seconds12
69Siva80 %3 minutes 31 seconds12
70Vinayak80 %3 minutes 49 seconds12
71ARR80 %3 minutes 58 seconds12
72Dj80 %4 minutes 2 seconds12
73Trinay80 %4 minutes 2 seconds12
74Hariharan80 %4 minutes 30 seconds12
75Veronica80 %4 minutes 31 seconds12
76Anishpanday80 %5 minutes 5 seconds12
77Maliha80 %5 minutes 49 seconds12
78Ari80 %7 minutes 23 seconds12
79Raj80 %7 minutes 27 seconds12
80Ssdddf80 %8 minutes 34 seconds12
81Rishith80 %9 minutes 4 seconds12
82Abhinav Singh80 %9 minutes 17 seconds12
83Sonam80 %16 minutes 39 seconds12
84De80 %1 hours 49 minutes 4 seconds12
85Manvi73 %1 minutes 26 seconds11
86Sri73 %1 minutes 44 seconds11
87Namrta73 %1 minutes 52 seconds11
88Rv73 %1 minutes 52 seconds11
89Ashish73 %2 minutes 1 seconds11
90Vighneshwari73 %2 minutes 10 seconds11
91Vcvj73 %3 minutes 7 seconds11
92u73 %3 minutes 7 seconds11
93Ishu73 %3 minutes 10 seconds11
94Shree73 %3 minutes 13 seconds11
95fire73 %3 minutes 17 seconds11
96Harsha73 %3 minutes 22 seconds11
97Vir73 %3 minutes 41 seconds11
98Dhhritii73 %3 minutes 53 seconds11
99Akhil yadav73 %4 minutes 5 seconds11
100Vivek Kumar73 %4 minutes 10 seconds11
101Vivaan73 %4 minutes 32 seconds11
102Kj73 %4 minutes 43 seconds11
103Ravi73 %5 minutes 3 seconds11
104Priyanshi Yadav73 %5 minutes 20 seconds11
105Rahi73 %5 minutes 20 seconds11
106Vaibhav Goel73 %5 minutes 34 seconds11
107Trinay73 %5 minutes 38 seconds11
108Shree73 %5 minutes 39 seconds11
109goluswamy73 %5 minutes 45 seconds11
110Sahasra Pagidimarri73 %5 minutes 45 seconds11
111Ghdx73 %5 minutes 50 seconds11
112jeyvanth73 %5 minutes 55 seconds11
113Harsha73 %5 minutes 58 seconds11
114Diksha73 %6 minutes11
115Ari73 %6 minutes 2 seconds11
116Aakriti73 %6 minutes 4 seconds11
117Deepika73 %6 minutes 35 seconds11
118I73 %6 minutes 39 seconds11
119GURNOOR73 %6 minutes 39 seconds11
120golu chaudhry73 %6 minutes 51 seconds11
121Gaurav Dubey73 %7 minutes 34 seconds11
122DIYA DIJESH73 %7 minutes 49 seconds11
123Himanshu73 %8 minutes 11 seconds11
124F73 %8 minutes 13 seconds11
125akash73 %8 minutes 16 seconds11
126Lana73 %8 minutes 19 seconds11
127Himanshu73 %8 minutes 38 seconds11
128Preeti73 %8 minutes 59 seconds11
129jai73 %9 minutes 5 seconds11
130Pritha73 %9 minutes 42 seconds11
131Vighneshwari67 %1 minutes 50 seconds10
132yo67 %1 minutes 59 seconds10
133Sahil67 %2 minutes 41 seconds10
134Shreyansh Singh67 %3 minutes 5 seconds10
135Nikhil67 %3 minutes 6 seconds10
136M,ydhz67 %3 minutes 32 seconds10
137Oufwqeufb67 %3 minutes 37 seconds10
138Arushi67 %3 minutes 42 seconds10
139Rukhsar67 %4 minutes 9 seconds10
140Vivek Kumar67 %4 minutes 15 seconds10
141Dilasa67 %4 minutes 25 seconds10
142Kritika67 %5 minutes 5 seconds10
143Nirun67 %5 minutes 19 seconds10
144Amal Roshna67 %5 minutes 20 seconds10
145Shabby67 %5 minutes 33 seconds10
146Sahil67 %5 minutes 33 seconds10
147Mahi sharma67 %5 minutes 41 seconds10
148Maya67 %6 minutes 12 seconds10
149kk67 %6 minutes 18 seconds10
150A67 %6 minutes 39 seconds10
151Mamta67 %6 minutes 48 seconds10
152garima67 %6 minutes 57 seconds10
153Manvith67 %6 minutes 57 seconds10
154Anupriya patel67 %7 minutes 5 seconds10
155Shravya67 %7 minutes 29 seconds10
156g67 %7 minutes 42 seconds10
157Adarsh67 %8 minutes 20 seconds10
158Pritam Ghosh67 %9 minutes 32 seconds10
159mmm67 %13 minutes 16 seconds10
160Sneha67 %33 minutes 15 seconds10
161Samarth60 %1 minutes 58 seconds9
162Manisha60 %2 minutes9
163Kashish60 %2 minutes 7 seconds9
164Aditya dubey60 %3 minutes 9 seconds9
165Rock it 🤛🏻60 %3 minutes 26 seconds9
166Saanvi60 %3 minutes 29 seconds9
167Sahaf ahmad60 %3 minutes 33 seconds9
168Anne60 %3 minutes 34 seconds9
169..60 %3 minutes 46 seconds9
170R60 %3 minutes 47 seconds9
171Pravin60 %4 minutes9
172Umar60 %4 minutes 4 seconds9
173yo60 %4 minutes 7 seconds9
174Prachi60 %4 minutes 12 seconds9
175Hsvf60 %4 minutes 27 seconds9
176YUVRAJ JOGSAN60 %4 minutes 27 seconds9
177Yashika60 %4 minutes 40 seconds9
178Komal60 %4 minutes 56 seconds9
179Sri60 %5 minutes 7 seconds9
180Shatakshi60 %5 minutes 19 seconds9
181Avantika60 %5 minutes 45 seconds9
182Nikhil60 %5 minutes 51 seconds9
183Gf60 %5 minutes 58 seconds9
184Aditya yadav60 %6 minutes 33 seconds9
185Anurag soni60 %7 minutes 3 seconds9
186Bably kimari60 %7 minutes 23 seconds9
187Bhoomika60 %7 minutes 55 seconds9
188Kamini60 %7 minutes 58 seconds9
189Vaibhav Goel60 %8 minutes 6 seconds9
190Abhishek60 %8 minutes 14 seconds9
191Deepesh60 %8 minutes 58 seconds9
192Prachi verma60 %9 minutes 57 seconds9
193Shivendra Singh Sengar60 %10 minutes 4 seconds9
194Anushka60 %11 minutes 41 seconds9
195Priyanshu60 %11 minutes 53 seconds9
196Beauty Singh60 %14 minutes 45 seconds9
197Khushi60 %23 minutes 55 seconds9
198A60 %1 hours 7 minutes 7 seconds9
199garima60 %6 hours 36 minutes 27 seconds9
200Abhinav Singh53 %1 minutes 42 seconds8

Key Topics Covered in the Quiz

Ecosystem and Its Components
Food Chain & Food Web
Trophic Levels and Energy Flow
Biodegradable & Non-Biodegradable Substances
Ozone Layer & Its Depletion
Waste Management & Sustainable Development

More Class 10 Science MCQ Quizzes

Take the quiz now and strengthen your concepts of Our Environment!

WhatsApp Group Join Now
Telegram Group Join Now
Instagram Follow Now
Spread the love
See also  Agriculture Class 10 Questions & Answers: Prepare for Your Exams Like a Pro

Leave a Comment