Life Processes Class 10 MCQ Quiz – Test Your Knowledge!

Are you preparing for CBSE Class 10 Science Chapter 6 - Life Processes? This interactive MCQ quiz will help you revise important concepts, key definitions, and exam-focused questions in an engaging way!

About the Quiz

Chapter Name: Life Processes
Subject: Class 10 Science (Biology)
Question Type: Multiple Choice Questions (MCQs)
Difficulty Level: Concept-Based & Exam-Oriented
Leaderboard: Yes (Check Your Rank!)

Why Take This Quiz?

✔ Covers all major topics like nutrition, respiration, transportation, and excretion
✔ Includes competency-based & high-order thinking (HOTs) questions
✔ Ideal for quick revision before CBSE board exams

Click Below to Start the Quiz!

Chapter 5 - Life Processes

1 / 15

The labeling for the slide of leaf peel showing stomata by a group of four students who made the diagram and tabulated the labels as follows:

life processes class 10 important questions

Choose the correct combination of plots provided in the following table.

	X	Y	Z
a.	Chloroplast	Guard cell	Stomatal pore
b.	Chloroplast	Stomatal pore	Guard cell
c.	Guard cell	Stomatal pore	Chloroplast
d.	Stomatal pore	Chloroplast	Guard cell

2 / 15

Identify the option that indicates the correct enzyme that is secreted in locations A, B, and C.

i. permease, ii. carboxylase, iii. oxidase

i. trypsin, ii. amylase, iii. carboxylase

i. lipase, ii. trypsin, iii. pepsin

i. amylase, ii. pepsin, iii. trypsin

3 / 15

Identify the phase of circulation which is represented in the diagram of the heart given below. Arrows indicate the contraction of the chambers shown.

Blood is transferred to the lungs for oxygenation and is pumped into various organs simultaneously.

Blood transferred to the right ventricle and left ventricle simultaneously.

Blood transferred to the right auricle and left auricle simultaneously.

Blood is received from the lungs after oxygenation and is received from various organs of the body.

4 / 15

The figure shown below represents an activity to prove the requirements for photosynthesis. During this activity, two healthy potted plants were kept in the dark for 72 hours. After 72 hours, KOH is kept in the watch glass in setup X and not in setup Y. Both these setups are airtight and have been kept in light for 6 hours. Then, the Iodine test is performed with one leaf from each of the two plants X and Y.

experiment to prove that carbon dioxide is necessary for photosynthesis

Which of the following statements shows the correct results of the Iodine test performed on the leaf from plant X and Y respectively?

Blue-black color would be obtained on the leaf of plant Y and no change in color on the leaf of plant X.

Blue-black color would be obtained on the leaf of plant X and no change in color on the leaf of plant Y.

Red color would be obtained on the leaf of plant X and brown color on the leaf of plant Y.

Red color would be obtained on the leaf of plant Y and brown color on the leaf of plant X.

5 / 15

Which of the following steps can be followed for making the apparatus airtight?

Placing the plants on a glass plate

Using a suction pump

Applying vaseline to seal the bottom of the jar

Creating a vacuum

i and iii

i and ii

ii and iii

ii and iv

6 / 15

Assertion (A): Capillaries have walls that are just one cell thick.

Reason (R): The exchange of material between the blood and surrounding cells takes place across the capillaries.

Both A and R are true and R is the correct explanation of A

A is true but R is false

Both A and R are true and R is not the correct explanation of A

A is false but R is true

7 / 15

Carefully study the diagram of the human respiratory system with labels A, B, C, and D.

Select the option which gives correct identification and the main function and characteristic.

iii. Alveoli: Thin-walled sac-like structures for the exchange of gases.

i. Trachea: It is supported by bony rings for conducting inspired air.

iv. Diaphragm: It is pulled up when we breathe in.

ii. Ribs: When we breathe out, ribs are lifted.

8 / 15

Study the graph below that represents the blood test reports of an athlete just before and after a race.

Choose the correct combination of plots provided in the following table.

	Section of race	The concentration of lactic acid	Type of respiration
a.	A - B (sprint start)	Changing high to low	Changing from anaerobic to aerobic
b.	B - C (maintaining speed)	High to low	Anaerobic
c.	C - D (sprint finish)	High	Aerobic
d.	D - E (just after sprint finishing)	Low	Aerobic

9 / 15

The given figure represents the structure of a nephron.

Which section of the nephron is responsible for concentrating the solute in the filtrate?

10 / 15

Lime water turns cloudy in the presence of a gas which is a by-product of respiration.

Shown below are four setups kept in sunlight for 24 hours.

life processes class 10 important questions and answers

In which setup is lime water expected to be the cloudiest?

Setup Q

Setup P

Setup S

Setup R

11 / 15

Which of the following statement(s) is(are) true about human heart?

Left atrium receives oxygenated blood from different parts of the body while the right atrium receives deoxygenated blood from the lungs.

Left ventricle pumps oxygenated blood to different body parts while the right ventricle pumps deoxygenated blood to the lungs.

Left atrium transfers oxygenated blood to the right ventricle which sends it to different parts of the body.

Right atrium receives deoxygenated blood from different parts of the body while the left ventricle pumps oxygenated blood to different parts of the body.

ii and iv

i and iii

12 / 15

The figure given below shows a schematic plan of blood circulation in humans with labels (i) to (iv). Identify the correct label with its functions.

ii. Pulmonary artery – takes blood from the lung to the heart.

iv. Vena cava – takes blood from body parts to the right auricle.

i. Pulmonary vein – takes impure blood from the body part.

iii. Aorta – takes blood from the heart to body parts.

13 / 15

Opening and closing of stomatal pore depend on:

Carbon dioxide concentration around stomata

Atmospheric temperature

Water content in the guard cells

Oxygen concentration around stomata

14 / 15

The respiratory route of air in the respiratory tract of humans is:

Nostrils → trachea → pharynx → larynx → alveoli.

Nostrils → pharynx → larynx → trachea → alveoli.

Alveoli → pharynx → larynx → trachea → nostrils.

Alveoli → larynx → trachea → pharynx → nostrils.

15 / 15

Generally food is broken and absorbed within the body of organisms. In which of the following organisms is it done outside the body?

Mushroom

Lice

Paramoecium

Amoeba

Your score is

The average score is 63%

Leaderboard

Check out the top scorers for this quiz below! Keep attempting to improve your rank.

Pos.	Name	Score	Duration	Points
1	A	100 %	47 seconds	15
2	A	100 %	50 seconds	15
3	harsha	100 %	1 minutes 7 seconds	15
4	atharvv	100 %	1 minutes 23 seconds	15
5	harsha	100 %	1 minutes 33 seconds	15
6	Pritha	100 %	2 minutes 25 seconds	15
7	sparsh goel	100 %	3 minutes 38 seconds	15
8	harsha	93 %	1 minutes 5 seconds	14
9	harsha	93 %	1 minutes 7 seconds	14
10	A	93 %	1 minutes 16 seconds	14
11	harsha	93 %	1 minutes 26 seconds	14
12	Prakash	93 %	1 minutes 38 seconds	14
13	atharvv	93 %	1 minutes 39 seconds	14
14	Pritha	93 %	2 minutes 39 seconds	14
15	yy	93 %	3 minutes 30 seconds	14
16	sparsh goel	93 %	5 minutes	14
17	Pritha	93 %	7 minutes 15 seconds	14
18	sparsh goel	93 %	11 minutes 34 seconds	14
19	A	87 %	1 minutes 12 seconds	13
20	A	87 %	1 minutes 21 seconds	13
21	Pritha	87 %	2 minutes 44 seconds	13
22	Reproduction in organisms	87 %	5 minutes 16 seconds	13
23	Kiara	87 %	5 minutes 26 seconds	13
24	Ddddd	87 %	7 minutes 40 seconds	13
25	A	80 %	56 seconds	12
26	RITURAJ Rizz Agian	80 %	3 minutes 24 seconds	12
27	Pritha	80 %	3 minutes 29 seconds	12
28	S	80 %	4 minutes 46 seconds	12
29	Adyasa	80 %	4 minutes 48 seconds	12
30	Charan Raj	80 %	4 minutes 50 seconds	12
31	anu	80 %	5 minutes 11 seconds	12
32	Pritha	80 %	5 minutes 47 seconds	12
33	Charan Raj	80 %	6 minutes 12 seconds	12
34	amritha	80 %	10 minutes 46 seconds	12
35	Pritha	80 %	11 minutes 16 seconds	12
36	Prakash	73 %	1 minutes 14 seconds	11
37	Prakash	73 %	1 minutes 34 seconds	11
38	atharvv	73 %	2 minutes 6 seconds	11
39	PRIYA	73 %	3 minutes 51 seconds	11
40	Saiee	73 %	4 minutes 54 seconds	11
41	Aruhi	73 %	4 minutes 59 seconds	11
42	RITURAJ	73 %	5 minutes	11
43	Aditya	73 %	5 minutes 29 seconds	11
44	Siya	73 %	5 minutes 36 seconds	11
45	Priya	73 %	6 minutes 19 seconds	11
46	Palak	73 %	6 minutes 24 seconds	11
47	Anupriya	73 %	6 minutes 40 seconds	11
48	Rishika Raj	73 %	8 minutes 26 seconds	11
49	Kalyan	73 %	9 minutes 10 seconds	11
50	Gargi	73 %	9 minutes 29 seconds	11
51	Poornima	73 %	9 minutes 40 seconds	11
52	aman	73 %	16 minutes 13 seconds	11
53	Prakash	67 %	3 minutes 26 seconds	10
54	Aruhi	67 %	5 minutes 3 seconds	10
55	ZXCVB	67 %	5 minutes 40 seconds	10
56	Ilma	67 %	5 minutes 47 seconds	10
57	Priya	67 %	6 minutes 18 seconds	10
58	Kiara	67 %	6 minutes 51 seconds	10
59	Charan Raj	67 %	7 minutes	10
60	Raj	67 %	8 minutes 3 seconds	10
61	Sunidhi sawkare	67 %	8 minutes 12 seconds	10
62	Adyasa	67 %	8 minutes 13 seconds	10
63	Anshika chaudhary	60 %	2 minutes 54 seconds	9
64	Prakash	60 %	3 minutes 17 seconds	9
65	Prince Kumar	60 %	4 minutes 23 seconds	9
66	hh	60 %	4 minutes 34 seconds	9
67	Saina	60 %	5 minutes 5 seconds	9
68	maddy	60 %	5 minutes 42 seconds	9
69	ABC	60 %	5 minutes 56 seconds	9
70	C . Caitlin Stefani	60 %	6 minutes 44 seconds	9
71	PRIYA	60 %	6 minutes 50 seconds	9
72	arshnoor	60 %	8 minutes 35 seconds	9
73	Aditya	60 %	8 minutes 48 seconds	9
74	sahil khan	60 %	11 minutes 19 seconds	9
75	Mohit	60 %	12 minutes 59 seconds	9
76	sparsh goel	60 %	17 minutes 1 seconds	9
77	Saumil	53 %	5 minutes 2 seconds	8
78	Om Chaturvedi	53 %	5 minutes 35 seconds	8
79	PREM PRAKASH TUDU	53 %	7 minutes 2 seconds	8
80	Priya Mishra	53 %	7 minutes 23 seconds	8
81	Aai varudu	53 %	7 minutes 50 seconds	8
82	hhh	53 %	8 minutes 14 seconds	8
83	Gagan	53 %	11 minutes 13 seconds	8
84	A..	53 %	13 minutes 37 seconds	8
85	Anupriya patel	53 %	14 minutes 24 seconds	8
86	Sneha	53 %	34 minutes 11 seconds	8
87	Rithwik	47 %	4 minutes 33 seconds	7
88	Josh	47 %	4 minutes 50 seconds	7
89	Somya	47 %	5 minutes 38 seconds	7
90	Anshika chaudhary	47 %	6 minutes 1 seconds	7
91	sanah	47 %	6 minutes 3 seconds	7
92	Prakash	47 %	6 minutes 45 seconds	7
93	Engene	47 %	6 minutes 50 seconds	7
94	likitha	47 %	7 minutes 17 seconds	7
95	avanika	47 %	7 minutes 19 seconds	7
96	Deepshikha bharti	47 %	7 minutes 26 seconds	7
97	chahca	47 %	8 minutes 14 seconds	7
98	Devansh	47 %	8 minutes 14 seconds	7
99	Chinnmoye	47 %	8 minutes 50 seconds	7
100	devyani singh	47 %	9 minutes 44 seconds	7
101	pj	47 %	11 minutes	7
102	Hc	40 %	2 minutes 48 seconds	6
103	Parth Singh	40 %	2 minutes 59 seconds	6
104	Abcd	40 %	4 minutes	6
105	Harsh	40 %	7 minutes 44 seconds	6
106	Aditya	40 %	9 minutes 51 seconds	6
107	Rituraj Mehta Rizz	40 %	10 minutes 53 seconds	6
108	Aruhi	40 %	12 minutes 5 seconds	6
109	Shaily Kumari	40 %	12 minutes 24 seconds	6
110	Simmi	40 %	12 minutes 52 seconds	6
111	sparsh goel	40 %	17 minutes 10 seconds	6
112	Suruchi	40 %	19 minutes 45 seconds	6
113	Hc	33 %	2 minutes 8 seconds	5
114	AYUSHI	33 %	4 minutes 3 seconds	5
115	anamika	33 %	6 minutes 34 seconds	5
116	Ritik	33 %	6 minutes 47 seconds	5
117	Gursimran	33 %	7 minutes 46 seconds	5
118	Shraddha	33 %	29 minutes 3 seconds	5
119	Jyothi	27 %	3 minutes 21 seconds	4
120	Zx10r	27 %	3 minutes 37 seconds	4
121	Anshu	27 %	16 minutes 30 seconds	4
122	Nazia	20 %	6 minutes 31 seconds	3
123	Prince Kumar	20 %	13 minutes 31 seconds	3
124	Yazhini	13 %	3 minutes 28 seconds	2
125	Anupam	7 %	2 minutes 44 seconds	1

Key Topics Covered in the Quiz

✔ Autotrophic & Heterotrophic Nutrition
✔ Human Digestive System
✔ Respiration: Aerobic & Anaerobic
✔ Circulatory System & Blood Flow in Humans
✔ Excretion in Humans & Plants

More Class 10 Science MCQ Quizzes

Bookmark this page and keep practicing quizzes to strengthen your exam preparation!

Spread the love

WhatsApp Group Join Now

Telegram Group Join Now

Instagram Follow Now

About the Quiz

Why Take This Quiz?

Leaderboard

Key Topics Covered in the Quiz

More Class 10 Science MCQ Quizzes

Related posts:

Leave a Comment Cancel reply