KTET Previous Question Papers Category 3 Natural Science
1. What is the chemical symbol for oxygen?
a) O
b) Ox
c) Oc
d) O
2. Which of the following is NOT a form of matter?
a) Solid
b) Liquid
c) Gas
d) Energy
3. What is the SI unit of temperature?
a) Kelvin
b) Celsius
c) Fahrenheit
d) Joule
4. Which planet is known as the “Red Planet”?
a) Mars
b) Venus
c) Jupiter
d) Saturn
5. What is the atomic number of carbon?
a) 6
b) 8
c) 12
d) 14
6. Which of the following is NOT a type of rock?
a) Igneous
b) Metamorphic
c) Sedimentary
d) Waterlogged
7. What is the chemical formula for table salt?
a) NaO
b) H2O
c) NaCl
d) CaCl2
8. Which of the following is a non-metallic element?
a) Iron
b) Silver
c) Gold
d) Oxygen
9. What is the process of plants releasing water vapor called?
a) Transpiration
b) Condensation
c) Evaporation
d) Precipitation
Laplace Transform MCQ (Multiple Choice Questions)
10. What is the primary function of the mitochondria?
a) Photosynthesis
b) Respiration
c) Energy production
d) Cell division
11. What is the chemical symbol for gold?
a) G
b) Au
c) Ag
d) Go
12. Which of the following is NOT a greenhouse gas?
a) Carbon Dioxide
b) Methane
c) Oxygen
d) Nitrogen
13. What is the chemical formula for water?
a) CO2
b) H2O
c) CH4
d) O2
14. What is the study of earthquakes called?
a) Seismology
b) Geology
c) Meteorology
d) Climatology
15. What is the largest organ in the human body?
a) Liver
b) Brain
c) Skin
d) Heart
16. What is the chemical symbol for iron?
a) Ir
b) Fe
c) In
d) Io
17. Which of the following is a vector quantity?
a) Speed
b) Distance
c) Velocity
d) Mass
18. What is the smallest bone in the human body?
a) Femur
b) Tibia
c) Stapes
d) Fibula
19. What is the process by which plants make their food?
a) Respiration
b) Photosynthesis
c) Digestion
d) Fermentation
20. Which of the following is a primary color of light?
a) Green
b) Yellow
c) Cyan
d) Red
21. What is the chemical symbol for sodium?
a) So
b) Na
c) Sn
d) Ni
22. Which of the following is NOT a component of an atom?
a) Proton
b) Electron
c) Neutron
d) Molecule
23. Which organ in the human body produces insulin?
a) Liver
b) Pancreas
c) Kidney
d) Stomach
NTS Maths MCQS (Multiple Question Answers)
24. What is the conversion of water vapor into liquid water called?
a) Condensation
b) Evaporation
c) Precipitation
d) Sublimation
25. What is the chemical formula for glucose?
a) G
b) Glu
c) C6H12O6
d) Gl
26. What is the primary function of the nucleus in a cell?
a) Energy production
b) Cell division
c) Genetic information storage
d) Waste elimination
27. What is the main component of Earth’s atmosphere?
a) Nitrogen
b) Oxygen
c) Carbon dioxide
d) Nitrogen and Oxygen
28. What is the chemical formula for methane?
a) CO2
b) H2O
c) CH4
d) CO
29. What is the pH scale used to measure?
a) Temperature
b) Acidity
c) Humidity
d) Pressure
30. How does water move through a plant and evaporate from its leaves?
a) Transpiration
b) Precipitation
c) Condensation
d) Evapotranspiration
31. What is the process by which rocks break down into smaller pieces?
a) Erosion
b) Weathering
c) Deposition
d) Sedimentation
32. What is the chemical symbol for potassium?
a) Po
b) K
c) Pt
d) P
33. What is the powerhouse of the cell?
a) Nucleus
b) Ribosome
c) Mitochondria
d) Endoplasmic reticulum
34. What is the process by which water vapor turns into clouds?
a) Evaporation
b) Condensation
c) Sublimation
d) Precipitation
35. What is the study of the composition, structure, and properties of matter called?
a) Ecology
b) Biology
c) Chemistry
d) Physics
36. What is the chemical formula for carbon dioxide?
a) CO
b) CO2
c) CO3
d) CH4
37. What is the chemical symbol for silver?
a) Si
b) Ag
c) Sn
d) S
38. What is the largest ocean on Earth?
a) Atlantic
b) Indian
c) Pacific
d) Arctic
39. What is the process by which plants absorb water through their roots?
a) Photosynthesis
b) Respiration
c) Transpiration
d) Osmosis
40. What is the chemical formula for table sugar?
a) NaCl
b) H2O
c) C12H22O11
d) CO2
41. What is the chemical symbol for lead?
a) L
b) Pb
c) Le
d) Pd
42. Which gas is most abundant in Earth’s atmosphere?
a) Oxygen
b) Carbon dioxide
c) Nitrogen
d) Helium
43. What is the process of blood circulation through the body called?
a) Respiration
b) Digestion
c) Circulation
d) Excretion
44. What is the process of conversion of solid directly into gas called?
a) Melting
b) Evaporation
c) Sublimation
d) Deposition
45. What is the chemical formula for sulfuric acid?
a) H2SO3
b) H2SO4
c) SO2
d) SO3
46. What is the primary function of white blood cells?
a) Carry oxygen
b) Fight infection
c) Transport nutrients
d) Produce hormones
47. What is the study of the Earth’s atmosphere and weather called?
a) Seismology
b) Meteorology
c) Oceanography
d) Climatology
48. What is the chemical symbol for mercury?
a) Mg
b) Hg
c) Me
d) Mn
49. What is the process by which plants lose water vapor through their leaves?
a) Osmosis
b) Evaporation
c) Transpiration
d) Diffusion
50. What is the chemical formula for hydrochloric acid?
a) HCl
b) H2SO4
c) HNO3
d) H2O