Assertion Reason Questions class 10 Science Quiz – 1 Assertion Reason Questions class 10 Science Quiz

Assertion Reason Questions for class 10 Science CBSE QUIZ 1

Here is the QUIZ for Assertion Reason Questions for class 10 Science CBSE. This quiz includes Assertion Reason Questions for class 10 Science CBSE from all the chapters mentioned here :

Chemical Reactions and Equations
Acids, Bases, and Salts
Metals and Non-Metals
Carbon and Its Compounds
Life Processes
Control and Coordination
How Do Organisms Reproduce?
Heredity
Light – Reflection and Refraction
The Human Eye and the Colorful World
Electricity
Magnetic Effects of Electric Current
Our Environment

How to Attempt :

Click on the button to start the quiz.
Select the correct option.
After selecting the option you will be guided to the next question.
After finishing the quiz, you will get your score with the correct answers.

GENERAL INSTRUCTIONS

(A) Both Assertion (A) and Reason (R) are true, and Reason (R) is the correct explanation of Assertion (A).
(B) Both Assertion (A) and Reason (R) are true, but Reason (R) is NOT the correct explanation of Assertion (A).
(C) Assertion (A) is true, but Reason (R) is false.
(D) Assertion (A) is false, but Reason (R) is true.

Tips:

Analyze each statement independently before considering their relationship.
Pay attention to logical connections between the Assertion and the Reason.
Use subject knowledge to verify the accuracy of the statements.

Fill this form with correct information.

1 / 25

Assertion (A): Kidneys regulate the water balance in the body.
Reason (R): Kidneys filter waste products from the blood.

A is false but R is true

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

A is true but R is false.

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

2 / 25

Assertion (A): Photosynthesis occurs in the chloroplasts of plant cells.
Reason (R): Chloroplasts contain chlorophyll, which traps light energy.

A is false but R is true

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

A is true but R is false.

A and R are correct but R is not the correct explanation of the Assertion

3 / 25

Assertion (A): Plaster of Paris is stored in a moisture-proof container.
Reason (R): Plaster of Paris sets into a hard mass on wetting with water to form anhydrous calcium sulfate.

A is false but R is true

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.

4 / 25

Assertion (A): Soaps are effective in soft water.
Reason (R): Soaps form scum in hard water.

A is false but R is true

A is true but R is false.

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

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

5 / 25

Assertion (A): Hydrogen gas is evolved when a metal reacts with an acid.
Reason (R): Hydrogen gas is displaced by metals from acids.

A is false but R is true

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

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

A is true but R is false.

6 / 25

Assertion (A): Plants produce oxygen during photosynthesis.
Reason (R): Oxygen is released as a by-product of splitting water molecules during the light reaction.

A is false but R is true

A is true but R is false.

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

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

7 / 25

Assertion (A): A concave mirror forms a real and inverted image of an object placed beyond its focal length.
Reason (R): Light rays converge after reflection from a concave mirror.

A and R are correct but R is not the correct explanation of the Assertion

A is false but R is true

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

A is true but R is false.

8 / 25

Assertion (A): Ethanol burns in air to produce carbon dioxide and water.
Reason (R): Ethanol undergoes combustion in the presence of oxygen.

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

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

A is true but R is false.

(d) A is false but R is true

9 / 25

Assertion (A): Resistance of a wire increases with its length.
Reason (R): Resistance is directly proportional to the length of the wire.

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

A is true but R is false.

A is false but R is true

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

10 / 25

Assertion (A): Sodium hydroxide reacts with hydrochloric acid to form sodium chloride and water.
Reason (R): This reaction is a neutralization reaction.

A is false but R is true

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

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

A is true but R is false

11 / 25

Assertion (A): The energy currency of the cell is ATP.
Reason (R): ATP is produced during cellular respiration.

A is true but R is false.

A is false but R is true

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

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

12 / 25

Assertion (A): An electric bell works on the principle of electromagnetic induction.
Reason (R): The bell strikes when the electromagnet attracts the striker.

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

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

A is false but R is true

A is true but R is false.

13 / 25

Assertion (A): Power is transmitted at high voltage to minimize power loss.
Reason (R): Power loss in transmission is proportional to the square of current.

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

A is true but R is false.

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

A is false but R is true

14 / 25

Assertion (A): Resistance of a wire increases with its length.
Reason (R): Resistance is directly proportional to the length of the wire.

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

A is true but R is false.

A is false but R is true

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

15 / 25

Assertion (A): Silver chloride turns grey in sunlight.
Reason (R): Silver chloride decomposes into silver and chlorine in sunlight.

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

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

16 / 25

Assertion (A): Carbon dioxide is a by-product of aerobic respiration.
Reason (R): Oxygen is required for aerobic respiration.

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

A is true but R is false

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

A is false but R is true

17 / 25

Assertion (A): Certain pesticides and other chemicals used to protect crops are non-biodegradable.
Reason (R): They do not get accumulated at various trophic levels.

A and R are correct but R is not the correct explanation of the Assertion

A is true but R is false.

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

A is false but R is true

18 / 25

Assertion (A): Baking soda is used as an antacid.
Reason (R): Baking soda is acidic in nature.

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

A is false but R is true

A is true but R is false.

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

19 / 25

Assertion (A): Metals like iron corrode in the presence of air and moisture.
Reason (R): Corrosion is the process of oxidation.

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

A is false but R is true

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

A is true but R is false.

20 / 25

Assertion (A): The sky appears blue.
Reason (R): Blue light is scattered the most due to its shorter wavelength.

A is true but R is false.

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

A is false but R is true

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

21 / 25

Assertion (A): Respiration in humans involves both inhalation and exhalation.
Reason (R): Respiration provides energy for life processes.

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

A is true but R is false.

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

A is false but R is true

22 / 25

Assertion (A): Blood flows through arteries at high pressure.
Reason (R): Arteries have thick, elastic walls.

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

A is false but R is true

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

A is true but R is false.

23 / 25

Assertion (A): Metals are ductile.
Reason (R): Metals are malleable.

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

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

A is true but R is false.

A is false but R is true

24 / 25

Assertion (A): A convex mirror is used as a rearview mirror in vehicles.
Reason (R): Convex mirrors produce virtual, erect, and diminished images.

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

A is true but R is false.

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

A is false but R is true

25 / 25

Assertion (A): The chemical formula of bleaching powder is CaOCl2\text{CaOCl}_2.
Reason (R): Calcium oxide reacts with chlorine to form bleaching powder.

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

A is true but R is false.

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

A is false but R is true

Your score is

The average score is 68%