VVM Class 8 – 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.
Which organelle is known as the powerhouse of the cell?
A) Nucleus
B) Mitochondrion
C) Ribosome
D) Vacuole
2.
Which microorganism is commonly used in the preparation of bread?
A) Virus
B) Yeast
C) Algae
D) Amoeba
3.
Which of the following diseases is caused by a virus?
A) Tuberculosis
B) Typhoid
C) Polio
D) Malaria
4.
Which process converts atmospheric nitrogen into compounds that plants can use?
A) Nitrogen fixation
B) Photosynthesis
C) Transpiration
D) Respiration
5.
Which part of the human brain controls balance and coordination?
A) Cerebrum
B) Cerebellum
C) Medulla
D) Spinal cord
6.
Which hormone is responsible for the development of male secondary sexual characteristics?
A) Insulin
B) Testosterone
C) Thyroxine
D) Adrenaline
7.
Which of the following is a non-renewable source of energy?
A) Wind
B) Solar energy
C) Coal
D) Hydropower
8.
The force acting on an object due to Earth’s attraction is called:
A) Friction
B) Gravity
C) Pressure
D) Magnetism
9.
Pressure is defined as:
A) Force × Area
B) Force / Area
C) Area / Force
D) Force + Area
10.
Which type of friction acts when a body rolls over a surface?
A) Sliding friction
B) Rolling friction
C) Static friction
D) Fluid friction
11.
Sound cannot travel through:
A) Solids
B) Liquids
C) Gases
D) Vacuum
12.
The SI unit of frequency is:
A) Decibel
B) Hertz
C) Newton
D) Joule
13.
Which mirror is commonly used as a rear-view mirror in vehicles?
A) Plane
B) Concave
C) Convex
D) Cylindrical
14.
Which gas is released when most metals react with dilute acids?
A) Oxygen
B) Hydrogen
C) Nitrogen
D) Carbon dioxide
15.
Which of the following is a chemical change?
A) Melting wax
B) Breaking glass
C) Rusting iron
D) Dissolving sugar
16.
What is the value of (2^5)?
A) 10
B) 16
C) 25
D) 32
17.
If (3x + 5 = 20), then x is:
A) 3
B) 5
C) 7
D) 10
18.
The square root of 144 is:
A) 10
B) 11
C) 12
D) 14
19.
The probability of getting a head when a fair coin is tossed once is:
A) 0
B) 1/4
C) 1/2
D) 1
20.
The area of a rectangle of length 12 cm and breadth 5 cm is:
A) 17 cm²
B) 34 cm²
C) 60 cm²
D) 120 cm²
Section B – Indian Contributions to Science
21.
Aryabhata was an important Indian:
A) Mathematician and astronomer
B) Biologist
C) Chemist
D) Geologist
22.
Brahmagupta made important contributions to:
A) Mathematics
B) Medicine
C) Botany
D) Space engineering
23.
Sushruta is associated with ancient Indian:
A) Surgery and medicine
B) Astronomy
C) Nuclear physics
D) Electronics
24.
The ancient Indian system of medicine is called:
A) Ayurveda
B) Algebra
C) Optics
D) Acoustics
25.
The Iron Pillar of Delhi is famous for its:
A) Resistance to corrosion
B) Radioactivity
C) Magnetic properties
D) Electrical conductivity
26.
Which ancient Indian scholar is associated with mathematical rules involving zero and negative numbers?
A) Brahmagupta
B) Kalidasa
C) Panini
D) Charaka
27.
Which ancient work is associated with medicine and surgery?
A) Sushruta Samhita
B) Aryabhatiya
C) Arthashastra
D) Natya Shastra
28.
Ancient Indian scientific knowledge made major contributions to:
A) Mathematics
B) Medicine
C) Astronomy
D) All of the above
Section C – Scientists & Their Contributions
29.
C. V. Raman is associated with:
A) Raman Effect
B) Theory of Evolution
C) Laws of Motion
D) Radioactivity
30.
Jagadish Chandra Bose conducted research related to:
A) Plant responses and radio/microwave science
B) Nuclear reactors
C) Human genetics only
D) Rocket engines
31.
Homi J. Bhabha played an important role in India’s:
A) Nuclear science programme
B) Green Revolution
C) Railway development
D) Medical education
32.
Vikram Sarabhai is known as a pioneer of India’s:
A) Space programme
B) Dairy programme
C) Textile industry
D) Banking system
33.
A. P. J. Abdul Kalam is strongly associated with:
A) Aerospace and missile technology
B) Botany
C) Ancient surgery
D) Marine biology
34.
Which is an important quality of a scientist?
A) Curiosity
B) Careful observation
C) Testing ideas with evidence
D) All of the above
Section D – Logic & Reasoning
35.
Find the next number:
4, 8, 16, 32, ___
A) 48
B) 56
C) 64
D) 72
36.
Find the odd one out:
A) Mercury
B) Venus
C) Earth
D) Moon
37.
If BOOK is coded as CPPL, then PEN is coded as:
A) QFO
B) QEN
C) PFO
D) RFO
38.
A is taller than B. B is taller than C. C is taller than D. Who is the shortest?
A) A
B) B
C) C
D) D
39.
If today is Wednesday, what day will it be after 12 days?
A) Monday
B) Tuesday
C) Sunday
D) Saturday
40.
A cyclist travels 15 km in 1 hour. At the same speed, how far will the cyclist travel in 4 hours?
A) 45 km
B) 50 km
C) 60 km
D) 75 km
Answer Key
| Q | Ans | Q | Ans | Q | Ans | Q | Ans |
|---|---|---|---|---|---|---|---|
| 1 | B | 11 | D | 21 | A | 31 | A |
| 2 | B | 12 | B | 22 | A | 32 | A |
| 3 | C | 13 | C | 23 | A | 33 | A |
| 4 | A | 14 | B | 24 | A | 34 | D |
| 5 | B | 15 | C | 25 | A | 35 | C |
| 6 | B | 16 | D | 26 | A | 36 | D |
| 7 | C | 17 | B | 27 | A | 37 | A |
| 8 | B | 18 | C | 28 | D | 38 | D |
| 9 | B | 19 | C | 29 | A | 39 | A |
| 10 | B | 20 | C | 30 | A | 40 | C |
Score Guide
36–40: 🏆 Excellent
30–35: 🌟 Very Good
22–29: 👍 Good — revise weak areas
Below 22: 📚 Strengthen concepts and practise again