Our Environment Class 10 Science MCQ Quiz – Test Your Knowledge

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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!

Leaderboard – Top Scorers

Check out the highest scorers below!

Pos.	Name	Score	Duration	Points
1	Priya	100 %	1 minutes 10 seconds	15
2	Kumkum	100 %	1 minutes 12 seconds	15
3	Kumkum	100 %	1 minutes 12 seconds	15
4	Abhinav	100 %	1 minutes 23 seconds	15
5	Sa	100 %	1 minutes 26 seconds	15
6	Varun	100 %	1 minutes 37 seconds	15
7	Priya Singh	100 %	1 minutes 42 seconds	15
8	Priya Singh	100 %	1 minutes 47 seconds	15
9	varun	100 %	1 minutes 47 seconds	15
10	Nirun	100 %	1 minutes 51 seconds	15
11	Anmol	100 %	2 minutes 2 seconds	15
12	Manu Manvith	100 %	2 minutes 5 seconds	15
13	Veer	100 %	2 minutes 9 seconds	15
14	,,,,	100 %	2 minutes 10 seconds	15
15	Arjun	100 %	2 minutes 20 seconds	15
16	Manvith	100 %	3 minutes 1 seconds	15
17	Shree	100 %	3 minutes 23 seconds	15
18	Pritha	100 %	3 minutes 33 seconds	15
19	vinay	100 %	4 minutes 59 seconds	15
20	varun	100 %	5 minutes 38 seconds	15
21	Priya Singh	100 %	8 minutes 17 seconds	15
22	Prashant Kumar Rai (VIII-C)	93 %	1 minutes 27 seconds	14
23	Akarsh	93 %	1 minutes 30 seconds	14
24	Vivian	93 %	1 minutes 35 seconds	14
25	Priya	93 %	2 minutes 8 seconds	14
26	Varun	93 %	2 minutes 8 seconds	14
27	Priya Singh	93 %	2 minutes 12 seconds	14
28	Priya Singh	93 %	2 minutes 25 seconds	14
29	Ashish	93 %	2 minutes 34 seconds	14
30	/	93 %	2 minutes 37 seconds	14
31	Judith	93 %	2 minutes 46 seconds	14
32	Nirun	93 %	2 minutes 46 seconds	14
33	Mahi	93 %	2 minutes 52 seconds	14
34	Harshita	93 %	3 minutes 11 seconds	14
35	.	93 %	3 minutes 22 seconds	14
36	Gaurav	93 %	5 minutes 19 seconds	14
37	Priya Singh	93 %	7 minutes 1 seconds	14
38	Sivangi	93 %	10 minutes 51 seconds	14
39	Iqra Nafees	93 %	12 minutes 20 seconds	14
40	varun	93 %	31 minutes 21 seconds	14
41	Jkl	87 %	1 minutes 39 seconds	13
42	ko	87 %	1 minutes 46 seconds	13
43	Hi	87 %	1 minutes 57 seconds	13
44	Shabby	87 %	2 minutes 8 seconds	13
45	Amal Roshna	87 %	2 minutes 9 seconds	13
46	Soumya	87 %	2 minutes 15 seconds	13
47	Anaya	87 %	2 minutes 45 seconds	13
48	Varun	87 %	3 minutes	13
49	.	87 %	3 minutes 11 seconds	13
50	Kajal	87 %	3 minutes 16 seconds	13
51	Cc	87 %	3 minutes 18 seconds	13
52	Anushka	87 %	3 minutes 19 seconds	13
53	Anmol	87 %	3 minutes 22 seconds	13
54	golu chaudhry	87 %	3 minutes 24 seconds	13
55	Nirjara	87 %	3 minutes 33 seconds	13
56	A	87 %	3 minutes 56 seconds	13
57	Anu	87 %	3 minutes 58 seconds	13
58	Praveen	87 %	4 minutes 11 seconds	13
59	Abhishek Kumar	87 %	4 minutes 15 seconds	13
60	Judith	87 %	4 minutes 46 seconds	13
61	Shalu	87 %	4 minutes 52 seconds	13
62	09	87 %	5 minutes 13 seconds	13
63	M	87 %	5 minutes 36 seconds	13
64	Shraddha	87 %	5 minutes 36 seconds	13
65	gfyfyt	87 %	5 minutes 57 seconds	13
66	Harahul	87 %	6 minutes 26 seconds	13
67	H	87 %	8 minutes 11 seconds	13
68	akki	87 %	17 minutes 41 seconds	13
69	Akarsh	80 %	1 minutes 23 seconds	12
70	Shreyansh Singh	80 %	1 minutes 32 seconds	12
71	Akarsh	80 %	1 minutes 40 seconds	12
72	Shreyansh Singh	80 %	2 minutes 17 seconds	12
73	Pritha	80 %	2 minutes 41 seconds	12
74	Shreya R Gowda	80 %	3 minutes 14 seconds	12
75	Aakriti	80 %	3 minutes 15 seconds	12
76	pakhee	80 %	3 minutes 18 seconds	12
77	Siva	80 %	3 minutes 31 seconds	12
78	Vinayak	80 %	3 minutes 49 seconds	12
79	ARR	80 %	3 minutes 58 seconds	12
80	Dj	80 %	4 minutes 2 seconds	12
81	Trinay	80 %	4 minutes 2 seconds	12
82	Hariharan	80 %	4 minutes 30 seconds	12
83	Veronica	80 %	4 minutes 31 seconds	12
84	Anishpanday	80 %	5 minutes 5 seconds	12
85	Maliha	80 %	5 minutes 49 seconds	12
86	Ari	80 %	7 minutes 23 seconds	12
87	Raj	80 %	7 minutes 27 seconds	12
88	Ssdddf	80 %	8 minutes 34 seconds	12
89	Rishith	80 %	9 minutes 4 seconds	12
90	Abhinav Singh	80 %	9 minutes 17 seconds	12
91	Sonam	80 %	16 minutes 39 seconds	12
92	De	80 %	1 hours 49 minutes 4 seconds	12
93	Manvi	73 %	1 minutes 26 seconds	11
94	Kumkum	73 %	1 minutes 33 seconds	11
95	Sri	73 %	1 minutes 44 seconds	11
96	Namrta	73 %	1 minutes 52 seconds	11
97	Rv	73 %	1 minutes 52 seconds	11
98	Ashish	73 %	2 minutes 1 seconds	11
99	Vighneshwari	73 %	2 minutes 10 seconds	11
100	Saghanaaaaa	73 %	2 minutes 10 seconds	11
101	Vcvj	73 %	3 minutes 7 seconds	11
102	u	73 %	3 minutes 7 seconds	11
103	Ishu	73 %	3 minutes 10 seconds	11
104	Shree	73 %	3 minutes 13 seconds	11
105	fire	73 %	3 minutes 17 seconds	11
106	Harsha	73 %	3 minutes 22 seconds	11
107	Vir	73 %	3 minutes 41 seconds	11
108	Dhhritii	73 %	3 minutes 53 seconds	11
109	Akhil yadav	73 %	4 minutes 5 seconds	11
110	Vivek Kumar	73 %	4 minutes 10 seconds	11
111	Vivaan	73 %	4 minutes 32 seconds	11
112	Kj	73 %	4 minutes 43 seconds	11
113	Ravi	73 %	5 minutes 3 seconds	11
114	Priyanshi Yadav	73 %	5 minutes 20 seconds	11
115	Rahi	73 %	5 minutes 20 seconds	11
116	Vaibhav Goel	73 %	5 minutes 34 seconds	11
117	Trinay	73 %	5 minutes 38 seconds	11
118	Shree	73 %	5 minutes 39 seconds	11
119	goluswamy	73 %	5 minutes 45 seconds	11
120	Sahasra Pagidimarri	73 %	5 minutes 45 seconds	11
121	Ghdx	73 %	5 minutes 50 seconds	11
122	jeyvanth	73 %	5 minutes 55 seconds	11
123	Harsha	73 %	5 minutes 58 seconds	11
124	Diksha	73 %	6 minutes	11
125	Ari	73 %	6 minutes 2 seconds	11
126	Aakriti	73 %	6 minutes 4 seconds	11
127	ko	73 %	6 minutes 18 seconds	11
128	Deepika	73 %	6 minutes 35 seconds	11
129	I	73 %	6 minutes 39 seconds	11
130	GURNOOR	73 %	6 minutes 39 seconds	11
131	golu chaudhry	73 %	6 minutes 51 seconds	11
132	Gaurav Dubey	73 %	7 minutes 34 seconds	11
133	DIYA DIJESH	73 %	7 minutes 49 seconds	11
134	Himanshu	73 %	8 minutes 11 seconds	11
135	F	73 %	8 minutes 13 seconds	11
136	akash	73 %	8 minutes 16 seconds	11
137	Lana	73 %	8 minutes 19 seconds	11
138	Arjun	73 %	8 minutes 23 seconds	11
139	Himanshu	73 %	8 minutes 38 seconds	11
140	Preeti	73 %	8 minutes 59 seconds	11
141	jai	73 %	9 minutes 5 seconds	11
142	Pritha	73 %	9 minutes 42 seconds	11
143	Vighneshwari	67 %	1 minutes 50 seconds	10
144	yo	67 %	1 minutes 59 seconds	10
145	Kumkum	67 %	2 minutes 15 seconds	10
146	Sahil	67 %	2 minutes 41 seconds	10
147	Shreyansh Singh	67 %	3 minutes 5 seconds	10
148	Nikhil	67 %	3 minutes 6 seconds	10
149	M,ydhz	67 %	3 minutes 32 seconds	10
150	Oufwqeufb	67 %	3 minutes 37 seconds	10
151	Arushi	67 %	3 minutes 42 seconds	10
152	Rukhsar	67 %	4 minutes 9 seconds	10
153	Vivek Kumar	67 %	4 minutes 15 seconds	10
154	Dilasa	67 %	4 minutes 25 seconds	10
155	SHUBHAM KUMAR	67 %	4 minutes 45 seconds	10
156	Kritika	67 %	5 minutes 5 seconds	10
157	Nirun	67 %	5 minutes 19 seconds	10
158	Amal Roshna	67 %	5 minutes 20 seconds	10
159	Shabby	67 %	5 minutes 33 seconds	10
160	Sahil	67 %	5 minutes 33 seconds	10
161	M.Mary Senofiah	67 %	5 minutes 40 seconds	10
162	Mahi sharma	67 %	5 minutes 41 seconds	10
163	Maya	67 %	6 minutes 12 seconds	10
164	kk	67 %	6 minutes 18 seconds	10
165	A	67 %	6 minutes 39 seconds	10
166	Mamta	67 %	6 minutes 48 seconds	10
167	garima	67 %	6 minutes 57 seconds	10
168	Manvith	67 %	6 minutes 57 seconds	10
169	Anupriya patel	67 %	7 minutes 5 seconds	10
170	Shravya	67 %	7 minutes 29 seconds	10
171	g	67 %	7 minutes 42 seconds	10
172	Adarsh	67 %	8 minutes 20 seconds	10
173	Pritam Ghosh	67 %	9 minutes 32 seconds	10
174	mmm	67 %	13 minutes 16 seconds	10
175	Sneha	67 %	33 minutes 15 seconds	10
176	Samarth	60 %	1 minutes 58 seconds	9
177	Manisha	60 %	2 minutes	9
178	Kashish	60 %	2 minutes 7 seconds	9
179	Aditya dubey	60 %	3 minutes 9 seconds	9
180	Rock it 🤛🏻	60 %	3 minutes 26 seconds	9
181	Saanvi	60 %	3 minutes 29 seconds	9
182	Sahaf ahmad	60 %	3 minutes 33 seconds	9
183	Anne	60 %	3 minutes 34 seconds	9
184	Dhriti	60 %	3 minutes 35 seconds	9
185	..	60 %	3 minutes 46 seconds	9
186	R	60 %	3 minutes 47 seconds	9
187	Pravin	60 %	4 minutes	9
188	Umar	60 %	4 minutes 4 seconds	9
189	yo	60 %	4 minutes 7 seconds	9
190	Prachi	60 %	4 minutes 12 seconds	9
191	Hsvf	60 %	4 minutes 27 seconds	9
192	YUVRAJ JOGSAN	60 %	4 minutes 27 seconds	9
193	Yashika	60 %	4 minutes 40 seconds	9
194	Komal	60 %	4 minutes 56 seconds	9
195	Sri	60 %	5 minutes 7 seconds	9
196	Shatakshi	60 %	5 minutes 19 seconds	9
197	Avantika	60 %	5 minutes 45 seconds	9
198	Nikhil	60 %	5 minutes 51 seconds	9
199	Gf	60 %	5 minutes 58 seconds	9
200	Aditya yadav	60 %	6 minutes 33 seconds	9

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

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Also See: CBSE Class 10 Hindi 'B' 2024 Topper’s Answer Sheet (PDF) – Download Now

About the Quiz

Why Take This Quiz?

Leaderboard – Top Scorers

Key Topics Covered in the Quiz

More Class 10 Science MCQ Quizzes

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