Tensai Assessments

Q1: Which law states that for every action there is an equal and opposite reaction?

Newton's First Law
Newton's Second Law
Newton's Third Law
Law of Gravitation

Q2: A car rounds a curve. Which force keeps it on the road?

Friction
Centripetal force
Centrifugal force
Normal force

Q3: What is the volume of a cube with side 4 cm?

64 cm^3
16 cm^3
32 cm^3
128 cm^3

Q4: What is the value of ? (pi) rounded to two decimal places?

3.12
3.14
3.16
3.20

Q5: Which organelle is responsible for energy production?

Mitochondria
Nucleus
Ribosome
Chloroplast

Q6: Which of the following is an example of kinetic energy?

A moving car
A stretched bow
A battery
A compressed spring

Q7: Solve: 5x - 7 = 18

x = 3
x = 5
x = 7
x = 10

Q8: Which process in plants converts sunlight into chemical energy?

Respiration
Photosynthesis
Transpiration
Fermentation

Q9: An object moves in uniform circular motion. What is the direction of the centripetal force?

Toward the center
Away from the center
Along the tangent
Downward

Q10: Which part of the brain controls balance?

Cerebrum
Cerebellum
Medulla
Thalamus

Q11: Which biomolecule stores genetic information?

DNA
Protein
Carbohydrate
Lipid

Q12: Which quantity is conserved in an elastic collision?

Kinetic energy
Potential energy
Momentum
Velocity

Q13: Which is a physical change?

Rusting of iron
Melting of ice
Burning wood
Baking a cake

Q14: Which type of tissue connects muscles to bones?

Ligament
Tendon
Cartilage
Muscle

Q15: The time period of a simple pendulum depends on what factors?

Length of string and gravity
Mass of bob
Amplitude
Temperature

Q16: Which of the following is a base?

HCl
NaOH
CO2
H2SO4

Q17: Which of the following is a prokaryotic organism?

Bacteria
Fungi
Plant
Animal

Q18: Which of the following is a transition metal?

Iron
Sodium
Carbon
Oxygen

Q19: Which subatomic particle has a positive charge?

Proton
Electron
Neutron
Nucleus

Q20: What is the atomic number of an element?

Number of neutrons
Number of protons
Mass number
Energy level

Q21: Which scientist proposed the modern atomic theory?

Dalton
Bohr
Rutherford
Thomson

Q22: The slope of the line y = 2x + 3 is:

2
3
1
0

Q23: What is the SI unit of force?

Joule
Newton
Watt
Pascal

Q24: A car accelerates from 0 to 20 m/s in 10 seconds. What is its acceleration?

2 m/s^2
5 m/s^2
10 m/s^2
20 m/s^2

Q25: Which of the following is an acid?

NaOH
HCl
NH3
NaCl

Q26: Which angle is 90 degrees?

Right angle
Acute angle
Obtuse angle
Straight angle

Q27: The frequency of a wave is 50 Hz. What is its period?

0.02 s
0.2 s
2 s
50 s

Q28: What is the principle of conservation of energy?

Energy is created and destroyed
Energy is transformed but total remains constant
Energy disappears in motion
Energy doubles with work

Q29: Which of the following is a prime number?

4
9
11
15

Q30: Which type of reproduction involves two parents?

Asexual reproduction
Sexual reproduction
Binary fission
Budding

Q31: Which system transports oxygen and nutrients to the body?

Circulatory system
Digestive system
Respiratory system
Nervous system

Q32: A 5 kg object is lifted to a height of 2 m. What is its potential energy?

10 J
50 J
100 J
200 J

Q33: Which process releases energy by breaking down glucose?

Respiration
Photosynthesis
Digestion
Fermentation

Q34: Which of these is a covalent compound?

NaCl
H2O
CaO
MgCl2

Q35: Convert 0.75 to a fraction

3/4
1/2
2/3
4/5

Q36: What is the formula for carbon dioxide?

CO
CO2
C2O
C2O2

Q37: The resistance of a conductor depends on which factors?

Length, area, and material
Color of wire
Temperature of air
Magnetism

Q38: Which state of matter has a definite volume but no definite shape?

Solid
Liquid
Gas
Plasma

Q39: Which of the following is a vector quantity?

Speed
Mass
Displacement
Time

Q40: If a wave has a wavelength of 2 m and frequency of 5 Hz, what is its speed?

2.5 m/s
5 m/s
10 m/s
20 m/s

Q41: The slope of a distance-time graph represents what quantity?

Speed
Acceleration
Force
Energy

Q42: The unit of work is:

Newton
Joule
Watt
Pascal

Q43: Which human body system regulates hormones?

Digestive system
Respiratory system
Endocrine system
Excretory system

Q44: If f(x) = x^2, what is f(3)?

3
6
9
9

Q45: pH of a neutral solution is:

0
7
14
1

Q46: Which type of bond involves sharing of electrons?

Ionic bond
Covalent bond
Metallic bond
Hydrogen bond

Q47: Which biomolecule is the main source of energy?

Protein
Carbohydrate
Lipid
Vitamin

Q48: Which part of the cell controls activities?

Nucleus
Mitochondria
Ribosome
Cytoplasm

Q49: Which element is most reactive in the alkali metals group?

Lithium
Sodium
Potassium
Rubidium

Q50: Which process separates soluble solids from liquids?

Filtration
Distillation
Crystallization
Evaporation

Q51: What is the area of a rectangle with length 8 cm and width 5 cm?

13 cm^2
30 cm^2
40 cm^2
80 cm^2

Q52: Simplify: 3x + 4x - 7

7x - 7
7x + 7
x - 7
3x + 4x

Q53: What is the basic unit of life?

Cell
Tissue
Organ
Organism

Q54: Simplify: (x^2 * x^3)

x^5
x^6
x^3
x^4

Q55: Which gas law relates pressure and volume at constant temperature?

Boyle's Law
Charles's Law
Avogadro's Law
Newton's Law

Q56: Which type of reaction releases heat?

Exothermic reaction
Endothermic reaction
Neutralization
Oxidation

Q57: The perimeter of a square with side 6 cm is:

12 cm
18 cm
24 cm
36 cm

Q58: What is the function of stomata in plants?

Gas exchange
Water absorption
Regulate water loss
Transport minerals

Q59: Which nutrient is essential for strong bones?

Calcium
Iron
Vitamin C
Protein

Q60: What is the law of conservation of mass?

Mass is created in reactions
Mass is destroyed in reactions
Mass is conserved in reactions
Mass is doubled in reactions

Q61: What is 15% of 200?

20
25
30
40

Q62: The momentum of an object is calculated as:

Mass x Velocity
Force x Distance
Weight x Time
Energy / Speed

Q63: Which element is a noble gas?

Helium
Hydrogen
Oxygen
Nitrogen

Q64: Solve for y: 3y + 2 = 11

y = 2
y = 3
y = 4
y = 5

Q65: Which human organ filters blood to produce urine?

Liver
Kidney
Lungs
Heart

Q66: The square root of 144 is:

10
11
12
13

Q67: Which part of the respiratory system allows gas exchange?

Alveoli
Bronchi
Trachea
Diaphragm

Q68: Which blood cells fight infection?

Red blood cells
White blood cells
Platelets
Plasma

Q69: Which of these is a factor of x^2 - 9?

(x + 3)(x - 3)
(x + 9)(x - 1)
(x + 1)(x - 9)
(x + 2)(x - 5)

Q70: Solve for x: 2x + 5 = 15

x = 5
x = 10
x = -5
x = 15

Q71: Light passing from air to water bends due to what phenomenon?

Reflection
Diffraction
Refraction
Dispersion

Q72: Simplify: 5(x + 2) - 3

5x + 7
5x + 2
5x - 3
5x + 10

Q73: Find the midpoint of points (2,3) and (6,7)

(4, 5)
(3, 4)
(5, 6)
(2, 7)

Q74: Which process do plants use to make food?

Respiration
Photosynthesis
Fermentation
Transpiration

Q75: The process by which cells divide is called:

Meiosis
Mitosis
Fusion
Budding

Q76: Which device converts chemical energy into electrical energy?

Motor
Generator
Battery
Turbine

Q77: What is the charge of an electron?

-1
+1
0
+2

Q78: If a triangle has sides 3, 4, 5, what type of triangle is it?

Equilateral
Isosceles
Scalene
Right-angled triangle

Q79: What is the molecular formula of water?

H2
O2
H2O
HO2

Q80: The process of a solid turning directly to gas is called:

Evaporation
Sublimation
Condensation
Fusion