VVM Class 10 – Level A Mock Test
School-Level Practice Paper
Questions: 40
Marks: 40
Suggested Time: 40 minutes
Instructions: Choose the one correct answer for each question.
Section A – Science & Mathematics
1.
The SI unit of electric current is:
A) Volt
B) Ampere
C) Ohm
D) Watt
2.
According to Ohm’s law, at constant temperature:
A) V = IR
B) V = I/R
C) R = VI
D) I = VR
3.
Two resistors of 2 Ω and 4 Ω are connected in series. Their equivalent resistance is:
A) 2 Ω
B) 4 Ω
C) 6 Ω
D) 8 Ω
4.
The power of an electrical appliance operating at 220 V with a current of 2 A is:
A) 110 W
B) 220 W
C) 440 W
D) 880 W
5.
Which lens is used to correct myopia?
A) Convex lens
B) Concave lens
C) Cylindrical lens only
D) Plane glass
6.
The phenomenon responsible for the blue colour of the sky is mainly:
A) Reflection
B) Refraction
C) Scattering of light
D) Dispersion only
7.
Which mirror is commonly used as a rear-view mirror in vehicles?
A) Plane mirror
B) Concave mirror
C) Convex mirror
D) Parabolic mirror
8.
The SI unit of frequency is:
A) Metre
B) Hertz
C) Joule
D) Newton
9.
Which of the following is a renewable source of energy?
A) Coal
B) Petroleum
C) Solar energy
D) Natural gas
10.
The splitting of white light into its constituent colours is called:
A) Reflection
B) Dispersion
C) Diffraction
D) Polarisation
11.
A solution with pH 2 is:
A) Strongly acidic
B) Weakly basic
C) Neutral
D) Strongly basic
12.
Which gas is released when an acid reacts with a carbonate?
A) Oxygen
B) Hydrogen
C) Carbon dioxide
D) Nitrogen
13.
Which of the following is an oxidation reaction?
A) Addition of oxygen to a substance
B) Removal of oxygen from a substance
C) Addition of hydrogen only
D) Removal of electrons only never involving oxygen
14.
Which metal is stored under kerosene because it reacts vigorously with air and water?
A) Copper
B) Sodium
C) Iron
D) Silver
15.
The functional group present in alcohols is:
A) –COOH
B) –CHO
C) –OH
D) –CO–
16.
Which organelle controls most activities of a cell?
A) Mitochondrion
B) Nucleus
C) Ribosome
D) Vacuole
17.
The basic unit of heredity is:
A) Cell
B) Gene
C) Tissue
D) Chromosome only
18.
Which hormone helps regulate blood sugar levels?
A) Insulin
B) Thyroxine
C) Adrenaline
D) Estrogen
19.
Which part of the human brain controls balance and coordination?
A) Cerebrum
B) Cerebellum
C) Medulla
D) Hypothalamus
20.
In humans, oxygenated blood from the lungs reaches the:
A) Right atrium
B) Right ventricle
C) Left atrium
D) Left ventricle directly
Section B – Mathematics
21.
The roots of (x^2 – 5x + 6 = 0) are:
A) 1 and 6
B) 2 and 3
C) –2 and –3
D) 3 and 4
22.
The discriminant of (x^2 + 4x + 4 = 0) is:
A) 0
B) 4
C) 8
D) 16
23.
If the HCF of two numbers is 6 and their LCM is 180, their product is:
A) 30
B) 186
C) 1080
D) 1200
24.
The 10th term of the AP 3, 7, 11, 15, … is:
A) 35
B) 39
C) 43
D) 47
25.
The distance between the points (0, 0) and (3, 4) is:
A) 3
B) 4
C) 5
D) 7
26.
If two triangles are similar, their corresponding sides are:
A) Equal only
B) Proportional
C) Perpendicular
D) Always parallel
27.
The value of (\sin 30^\circ) is:
A) 0
B) 1/2
C) √3/2
D) 1
28.
If tan θ = 1 and θ is an acute angle, θ is:
A) 30°
B) 45°
C) 60°
D) 90°
29.
The probability of getting a head when a fair coin is tossed once is:
A) 0
B) 1/4
C) 1/2
D) 1
30.
The mean of 4, 6, 8, 10 and 12 is:
A) 6
B) 7
C) 8
D) 10
Section C – Indian Contributions to Science
31.
Aryabhata’s work is primarily associated with:
A) Mathematics and astronomy
B) Genetics
C) Nuclear physics
D) Modern chemistry
32.
Brahmagupta made important contributions to:
A) Mathematics
B) Genetics
C) Electronics
D) Microbiology
33.
Sushruta is historically associated with:
A) Surgery and medicine
B) Astronomy
C) Nuclear science
D) Space technology
34.
The ancient Indian system of medicine is called:
A) Ayurveda
B) Algebra
C) Acoustics
D) Anatomy
35.
The Iron Pillar of Delhi is especially famous for its:
A) Resistance to corrosion
B) Radioactive nature
C) Electrical conductivity
D) Magnetic properties
Section D – Scientists & Reasoning
36.
C. V. Raman received the Nobel Prize in Physics for work associated with:
A) Radioactivity
B) Raman Effect
C) Nuclear fission
D) Semiconductor physics
37.
Vikram Sarabhai is widely regarded as a key figure in India’s:
A) Space programme
B) Green Revolution
C) White Revolution
D) Banking system
38.
Find the next number:
2, 6, 12, 20, 30, ___
A) 36
B) 40
C) 42
D) 44
39.
If all roses are flowers and some flowers fade quickly, which conclusion is definitely true?
A) All roses fade quickly.
B) Some roses fade quickly.
C) Roses are flowers.
D) No roses fade quickly.
40.
A student obtains different results when repeating an experiment. What should the student do first?
A) Select only the result they like.
B) Stop the experiment.
C) Check the procedure and repeat the experiment carefully.
D) Change the results.
Answer Key
| Q | Ans | Q | Ans | Q | Ans | Q | Ans |
|---|---|---|---|---|---|---|---|
| 1 | B | 11 | A | 21 | B | 31 | A |
| 2 | A | 12 | C | 22 | A | 32 | A |
| 3 | C | 13 | A | 23 | C | 33 | A |
| 4 | C | 14 | B | 24 | B | 34 | A |
| 5 | B | 15 | C | 25 | C | 35 | A |
| 6 | C | 16 | B | 26 | B | 36 | B |
| 7 | C | 17 | B | 27 | B | 37 | A |
| 8 | B | 18 | A | 28 | B | 38 | C |
| 9 | C | 19 | B | 29 | C | 39 | C |
| 10 | B | 20 | C | 30 | C | 40 | C |
Score Guide
36–40: 🏆 Excellent
30–35: 🌟 Very Good
22–29: 👍 Good — revise weak topics
Below 22: 📚 Strengthen concepts and practise again