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

Observe the diagram of the human digestive system.

Match the labeling referred to in column I and correlate it with the function in column II.

Column I	Column II
i.	a. The length of this depends on the food the organism eats.
ii.	b. Initial phase of starch digestion.
iii.	c. Increases the efficiency of lipase enzyme action.
iv.	d. This is the site of the complete digestion of carbohydrates, proteins, and fats.

i - a, ii - b, iii – c, iv - d

i - b, ii - c, iii – d, iv - a

i - d, ii - a, iii – b, iv - c

i - b, ii - d, iii – c, iv - a

2 / 15

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

Amoeba

Lice

Paramoecium

Mushroom

3 / 15

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

Nostrils → trachea → pharynx → larynx → alveoli.

Alveoli → pharynx → larynx → trachea → nostrils.

Alveoli → larynx → trachea → pharynx → nostrils.

Nostrils → pharynx → larynx → trachea → alveoli.

4 / 15

Study the table below and select the row that has the incorrect information.

	Aerobic	Anaerobic
a. Location	Cytoplasm	Mitochondria
b. End product	CO₂ and H₂O	Ethanol and CO₂
c. Amount of ATP	High	Low
d. Oxygen	Needed	Not needed

5 / 15

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

i. lipase, ii. trypsin, iii. pepsin

i. trypsin, ii. amylase, iii. carboxylase

i. amylase, ii. pepsin, iii. trypsin

i. permease, ii. carboxylase, iii. oxidase

6 / 15

The given figure represents the structure of a nephron.

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

7 / 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.

i and iii

ii and iv

8 / 15

Which of the following statement(s) is(are) true about excretion in human beings?

Urine is stored in the urethra until the urge of passing it out.

Each kidney has large numbers of filtration units called nephrons.

The bladder is muscular, so it is under nervous control.

Kidneys are the primary excretory organs.

i and ii only

i and iv only

ii, iii, and iv only

i and iii only

9 / 15

What is the mode of nutrition in fungi?

Heterotrophic/Saprophytic

Autotrophic

Parasitic

10 / 15

The doctor measured Ravi’s blood pressure and said it is normal now. The range of Ravi’s blood pressure (systolic/diastolic) is likely to be:

180/80 mm of Hg

160/80 mm of Hg

120/60 mm of Hg

120/80 mm of Hg

11 / 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?

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

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 Y and brown color on the leaf of plant X.

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

12 / 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 S

Setup P

Setup Q

Setup R

13 / 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 transferred to the right ventricle and left ventricle simultaneously.

Blood transferred to the right auricle and left auricle simultaneously.

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

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

14 / 15

Look at the diagram below carefully.

life processes class 10 important questions

Identify the process taking place at Z.

Reproduction

Translocation

Photosynthesis

Transpiration

15 / 15

The excretory system of human beings includes

A pair of kidneys, a pair of ureters, a pair of urinary bladders, and a urethra

A pair of kidneys, a pair of urinary bladders, a ureter, and a urethra

A pair of kidneys, a pair of ureters, a urinary bladder, and a urethra

A kidney, a ureter, a urinary bladder, and a urethra

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The average score is 60%

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Pos.	Name	Score	Duration	Points
1	Lokpradeep	100 %	40 seconds	15
2	Lokpradeep	100 %	45 seconds	15
3	Shivanshi Mishra	100 %	45 seconds	15
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44	Lokpradeep	87 %	1 minutes 4 seconds	13
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200	r	60 %	1 minutes 44 seconds	9

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

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Also See: CBSE Class 10 Maths Blueprint 2024-25: Chapter-Wise Analysis & Tips for Success

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