CBSE 10 Science Question paper-2024 Set-1 - Practice Test
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CBSE 10 Science Question paper-2024 Set-1

CBSE 10 Science Question paper-2024 Set-1 - Practice Test

This mock test includes actual CBSE Class 10 Science board exam questions from the year 2024 set 1, helping students understand exam trends and practice real paper formats

2025-07-31
CBSE Class 10 Science 2024 Grade 10

Duration

30 min

Questions

30

Marking

Negative

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Questions Preview

A chemical reaction in which exchange of ions occurs between the reactants, is known as:

A
Endothermic Reaction
B
Exothermic Reaction
C
Double Displacement Reaction
D
Displacement Reaction

A zygote is formed by the fusion of a male gamete and a female gamete. The number of chromosomes in the zygote of a human is:

A
23
B
44
C
46
D
92

The part of seed which is a source of food during germination of seed is:

A
Cotyledon
B
Radicle
C
Plumule
D
Embryo

The plants that can be raised by the method of vegetative propagation are:

A
Sugarcane, roses, grapes
B
Sugarcane, mustard, potato
C
Banana, orange, mustard
D
Papaya, mustard, potato

A plant growth inhibitor hormone which causes wilting of leaves is called:

A
Auxin
B
Cytokinin
C
Abscisic acid
D
Gibberellin

An aqueous solution of a salt turns blue litmus to red. The salt could be obtained by the reaction of:

A
HNO3 and NaOH
B
H2SO4 and KOH
C
CH3COOH and NaOH
D
HCl and NH4OH

The number of single and double bonds present in a molecule of benzene (C6H6) respectively, are:

A
6 and 6
B
9 and 3
C
3 and 9
D
3 and 3

The metals which are found in both free state as well as combined state are:

A
Gold and platinum
B
Platinum and silver
C
Copper and silver
D
Gold and silver

Four solutions β€” glucose, alcohol, hydrochloric acid, and sulphuric acid β€” were tested with a bulb. The bulb glows in:

A
Glucose and alcohol
B
Alcohol and hydrochloric acid
C
Glucose and sulphuric acid
D
Hydrochloric acid and sulphuric acid

In human beings, proteins, carbohydrates, and fats are finally converted into:

A
Amino acids, glucose, and fatty acids
B
Amino acids, glucose, fatty acids and glycerol
C
Glucose, fatty acids and glycerol, amino acids
D
Sugars, amino acids, fatty acids and glycerol

Which of the following diseases is not caused by microorganisms?

A
Tuberculosis
B
Typhoid
C
Malaria
D
AIDS

The energy flow in the food chain is always:

A
Unidirectional
B
Bidirectional
C
Cyclic
D
Multidirectional

Which of the following is not a greenhouse gas?

A
Carbon dioxide
B
Methane
C
Oxygen
D
Water vapour

Which among the following elements is most reactive?

A
Iron
B
Sodium
C
Copper
D
Silver

The device used to measure potential difference is:

A
Ammeter
B
Voltmeter
C
Galvanometer
D
Multimeter

Which of the following has a maximum resistivity?

A
Copper
B
Nichrome
C
Silver
D
Glass

Which of the following is the correct representation of Ohm’s law?

A
V = IR
B
I = VR
C
R = VI
D
V = I/R

Which of the following solutions will not conduct electricity?

A
Lemon juice
B
Salt solution
C
Distilled water
D
Vinegar

The unit of resistance is:

A
Volt
B
Ampere
C
Ohm
D
Watt

Which of the following is a magnetic substance?

A
Aluminium
B
Copper
C
Silver
D
Iron

Which of the following does not belong to the carbon family?

A
Silicon
B
Lead
C
Tin
D
Sulphur

Which one of the following processes does not involve absorption of heat?

A
Melting
B
Boiling
C
Evaporation
D
Condensation

The device used to convert chemical energy into electrical energy is:

A
Electric motor
B
Electric generator
C
Dry cell
D
Dynamo

Which organ in human beings is responsible for filtering blood?

A
Liver
B
Heart
C
Kidney
D
Lungs

Which of the following is an example of a unicellular organism?

A
Amoeba
B
Hydra
C
Earthworm
D
Frog

The main function of the large intestine is to:

A
Digest food
B
Absorb water
C
Absorb nutrients
D
Excrete urea

Which part of the eye helps in changing the focal length of the lens?

A
Cornea
B
Iris
C
Retina
D
Ciliary muscles

The sky appears blue due to:

A
Reflection of sunlight
B
Dispersion of light
C
Scattering of light
D
Refraction of light

Which of the following is biodegradable?

A
Plastic
B
Polythene
C
Paper
D
Nylon

Which of the following is responsible for water transport in plants?

A
Phloem
B
Chloroplast
C
Xylem
D
Cambium