Life Processes Class 10 MCQ Quiz – Test Your Knowledge!

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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

Opening and closing of stomatal pore depend on:

2 / 15

The characteristic processes observed in anaerobic respiration are:

  1. Presence of oxygen
  2. Release of carbon dioxide
  3. Release of energy
  4. Release of lactic acid

3 / 15

The excretory system of human beings includes

4 / 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.

5 / 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.

transportation in human beings

6 / 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?

7 / 15

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

amylase,pepsin,trypsin

8 / 15

In the given transverse section of the leaf identify the layer of cells where maximum photosynthesis occurs.

transverse-section-of-a-leaf

9 / 15

The given figure represents the structure of a nephron.

nephron

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

10 / 15

Look at the diagram below carefully.

life processes class 10 important questions

Identify the process taking place at Z.

11 / 15

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

human respiratory system

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

12 / 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

The function of KOH is to absorb

13 / 15

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

  1. Urine is stored in the urethra until the urge of passing it out.
  2. Each kidney has large numbers of filtration units called nephrons.
  3. The bladder is muscular, so it is under nervous control.
  4. Kidneys are the primary excretory organs.

14 / 15

Study the picture given above and choose the correct combination of plots provided in the following table:

hemodialysis

XProcess UsedFunction
a.Dialyzing pumpFiltrationTo draw blood from the body and send it to the dialyzer.
b.DialysateOsmosisTo add fluid to the blood.
c.Blood thinnerClottingTo remove the clots from the blood.
d.DialyserDiffusionTo remove the excess wastes and fluid from the blood.

15 / 15

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

  1. Left atrium receives oxygenated blood from different parts of the body while the right atrium receives deoxygenated blood from the lungs.
  2. Left ventricle pumps oxygenated blood to different body parts while the right ventricle pumps deoxygenated blood to the lungs.
  3. Left atrium transfers oxygenated blood to the right ventricle which sends it to different parts of the body.
  4. Right atrium receives deoxygenated blood from different parts of the body while the left ventricle pumps oxygenated blood to different parts of the body.

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The average score is 58%

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1Steve100 %30 seconds15
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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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