VVM Class 11 – 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 – Physics
1.
The dimensional formula of force is:
A) [MLT⁻¹]
B) [MLT⁻²]
C) [ML²T⁻²]
D) [M⁰LT⁻²]
2.
A body moving with constant velocity has:
A) Constant acceleration
B) Zero acceleration
C) Increasing acceleration
D) Negative acceleration
3.
The slope of a velocity-time graph represents:
A) Displacement
B) Distance
C) Acceleration
D) Momentum
4.
A projectile is launched horizontally from a height. Ignoring air resistance, its horizontal acceleration is:
A) g
B) 2g
C) Zero
D) g/2
5.
Newton’s second law can be expressed as:
A) F = ma
B) F = m/a
C) F = a/m
D) F = mv
6.
The work done by a force perpendicular to displacement is:
A) Maximum
B) Minimum but non-zero
C) Zero
D) Negative
7.
The kinetic energy of an object of mass m moving with velocity v is:
A) mv
B) mv²
C) ½mv²
D) 2mv²
8.
Escape velocity from Earth’s surface depends primarily on:
A) Mass of the escaping object
B) Earth’s mass and radius
C) Shape of the object
D) Colour of the object
9.
In uniform circular motion, the speed of the object is:
A) Always increasing
B) Always decreasing
C) Constant, while velocity changes
D) Zero
10.
The SI unit of angular momentum is:
A) N
B) J
C) kg m²/s
D) kg m/s²
Section B – Chemistry
11.
The number of significant figures in 0.00450 is:
A) 2
B) 3
C) 4
D) 5
12.
One mole of any substance contains approximately:
A) 6.022 × 10²⁰ particles
B) 6.022 × 10²² particles
C) 6.022 × 10²³ particles
D) 6.022 × 10²⁴ particles
13.
Which quantum number determines the shape of an orbital?
A) Principal quantum number
B) Azimuthal quantum number
C) Magnetic quantum number
D) Spin quantum number
14.
The maximum number of electrons in the second shell is:
A) 2
B) 4
C) 8
D) 18
15.
Across a period, atomic radius generally:
A) Increases
B) Decreases
C) Remains constant
D) First becomes zero
16.
Which bond involves sharing of electron pairs?
A) Ionic bond
B) Covalent bond
C) Metallic bond only
D) Hydrogen bond only
17.
The pH of a neutral aqueous solution at 25°C is approximately:
A) 0
B) 5
C) 7
D) 14
18.
An exothermic reaction generally:
A) Absorbs heat
B) Releases heat
C) Has no energy change
D) Always occurs instantly
19.
Which is a strong acid?
A) CH₃COOH
B) HCl
C) H₂CO₃
D) NH₄OH
20.
The oxidation number of oxygen in most oxides is:
A) +2
B) +1
C) –1
D) –2
Section C – Biology
21.
The basic structural and functional unit of life is:
A) Tissue
B) Cell
C) Organ
D) Organ system
22.
Which organelle is primarily responsible for aerobic cellular respiration?
A) Ribosome
B) Mitochondrion
C) Golgi apparatus
D) Lysosome
23.
The fluid mosaic model describes the structure of the:
A) Cell wall
B) Plasma membrane
C) Nucleus
D) Ribosome
24.
Which molecule carries genetic information in most organisms?
A) ATP
B) DNA
C) Glucose
D) Lipid
25.
The process by which plants convert light energy into chemical energy is:
A) Respiration
B) Transpiration
C) Photosynthesis
D) Fermentation
26.
Which pigment is primarily responsible for absorbing light during photosynthesis?
A) Haemoglobin
B) Chlorophyll
C) Melanin
D) Keratin
27.
The powerhouse of the cell is commonly called:
A) Nucleus
B) Mitochondrion
C) Vacuole
D) Chloroplast
28.
Which tissue transports water and minerals in vascular plants?
A) Phloem
B) Xylem
C) Epidermis
D) Collenchyma
Section D – Indian Contributions to Science
29.
Aryabhata’s major contributions were in:
A) Mathematics and astronomy
B) Genetics and medicine
C) Nuclear physics
D) Microbiology
30.
Brahmagupta made important contributions to:
A) Mathematics
B) Space technology
C) Genetics
D) Electronics
31.
Sushruta is traditionally associated with:
A) Surgery and medicine
B) Astronomy
C) Nuclear chemistry
D) Rocket science
32.
The ancient Indian system of medicine is called:
A) Ayurveda
B) Algebra
C) Acoustics
D) Optics
33.
The Iron Pillar of Delhi is well known for its:
A) Resistance to corrosion
B) Radioactivity
C) High electrical resistance
D) Magnetic levitation
Section E – Scientists & Scientific Thinking
34.
C. V. Raman received the Nobel Prize in Physics for his work related to:
A) Raman Effect
B) Nuclear fission
C) Radioactivity
D) Relativity
35.
Jagadish Chandra Bose conducted important research in:
A) Plant responses and radio/microwave science
B) Nuclear reactors
C) Human genetics only
D) Rocket propulsion
36.
Vikram Sarabhai is strongly associated with India’s:
A) Space programme
B) Green Revolution
C) White Revolution
D) Pharmaceutical industry
37.
Homi J. Bhabha played a major role in developing India’s:
A) Nuclear science programme
B) Agricultural programme
C) Railway system
D) Medical education system
38.
A. P. J. Abdul Kalam was strongly associated with:
A) Aerospace and missile technology
B) Botany
C) Ancient surgery
D) Oceanography
39.
Which is an essential feature of good scientific research?
A) Reproducibility
B) Ignoring contradictory evidence
C) Changing observations
D) Avoiding experiments
40.
A scientist obtains an unexpected experimental result. The best response is to:
A) Delete the result
B) Change the data
C) Investigate and repeat the experiment
D) Immediately declare the hypothesis false
Answer Key
| Q | Ans | Q | Ans | Q | Ans | Q | Ans |
|---|---|---|---|---|---|---|---|
| 1 | B | 11 | B | 21 | B | 31 | A |
| 2 | B | 12 | C | 22 | B | 32 | A |
| 3 | C | 13 | B | 23 | B | 33 | A |
| 4 | C | 14 | C | 24 | B | 34 | A |
| 5 | A | 15 | B | 25 | C | 35 | A |
| 6 | C | 16 | B | 26 | B | 36 | A |
| 7 | C | 17 | C | 27 | B | 37 | A |
| 8 | B | 18 | B | 28 | B | 38 | A |
| 9 | C | 19 | B | 29 | A | 39 | A |
| 10 | C | 20 | D | 30 | A | 40 | C |
Score Guide
36–40: 🏆 Excellent
30–35: 🌟 Very Good
22–29: 👍 Good — revise weak topics
Below 22: 📚 Strengthen concepts and practise again