1 What does falsifiability mean in science? A A statement that can never be tested B A statement that can be proven false by evidence C A statement that is always true D A statement that is based on opinion
2 The application of scientific knowledge for practical purposes is called: A Science B Technology C Engineering D Mathematics
3 The scientific method involves a sequence of steps. Which step comes immediately after making an observation? A Conclusion B Experiment C Problem identification D Prediction
4 Which thermometer is most suitable for measuring the body temperature of a patient? A Clinical thermometer B Laboratory thermometer C Digital thermometer D Both A and C
5 In which state of matter do particles have the most kinetic energy? A Solid B Liquid C Gas D Plasma
6 Which liquid is preferred for a thermometer used in very cold regions? A Mercury B Alcohol C Water D Oil
7 The lower fixed point of a thermometer is the temperature of: A Boiling water B Melting ice C Room temperature D Human body
8 Which of the following is an application of physics in daily life? A Using a microwave oven B Reading a novel C Writing a poem D Painting a picture
9 Which of the following is a magnetic storage device? A CD B Hard disk drive C USB flash drive D DVD
10 Which device uses an electromagnet? A Compass needle B Loudspeaker C Bar magnet D Horseshoe magnet
11 A prediction in the scientific method is made: A Before making any observation B After forming a hypothesis, to test it C Only after the conclusion D Without any experiment
12 What is the main purpose of falsifiability in science? A To prove a theory true forever B To allow a theory to be tested and possibly disproved C To make experiments easier D To replace observations with opinions
13 The branch of physics that deals with the study of light is called: A Mechanics B Optics C Acoustics D Thermodynamics
14 What is the ability of a material to retain magnetism called? A Permeability B Retentivity C Coercivity D Resistivity
16 The ability of a material to retain magnetism after the magnetizing field is removed is called: A Retentivity B Coercivity C Permeability D Susceptibility
17 Which of the following is a temporary magnet? A Steel magnet B Soft iron magnet C Alnico magnet D Cobalt magnet
19 پاسکل کا قانون کہتا ہے کہ بند مائع پر لگایا گیا دباؤ منتقل ہوتا ہے: A صرف قوت کی سمت میں B صرف نیچے کی طرف C تمام سمتوں میں یکساں D صرف اوپر کی طرف
20 Which method is used to magnetise a soft iron piece by placing it near a strong magnet? A Stroking method B Electrical method C Induction D Heating
21 The linearity of a thermometer means that its reading changes: A in proportion to the temperature change B randomly with temperature C only at high temperatures D only at low temperatures
22 A body will float in a liquid if its density is: A greater than the density of the liquid B equal to or less than the density of the liquid C always greater than 1000 kg/m³ D zero
23 What is the first step in the scientific method? A Hypothesis B Experiment C Observation D Conclusion
24 Which method is used to magnetize a magnetic material by stroking? A Rubbing with a magnet in one direction B Heating the material C Hammering the material D Cooling the material
25 Falsifiability in science means that a hypothesis: A Cannot be tested B Can be proven wrong by evidence C Is always false D Is based on beliefs