MCQOPTIONS
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MCQOPTIONS
This section includes 118 Mcqs, each offering curated multiple-choice questions to sharpen your Sciences Mcqs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Oxidation is a chemical reaction involving the |
| A. | Gain of Electrons |
| B. | Loss of Electrons |
| C. | Gain of Protons |
| D. | Loss of Protons |
| Answer» B. Loss of Electrons | |
| 2. |
Geiger-Muller counter is used to detect: |
| A. | Protons |
| B. | Neutrons |
| C. | Photons |
| D. | None |
| Answer» B. Neutrons | |
| 3. |
Silicon is an example of _________? |
| A. | No-conductor |
| B. | Semiconductor |
| C. | Super Conductor |
| D. | None of these |
| Answer» C. Super Conductor | |
| 4. |
The unit to measure the quantity of Ozone in atmosphere is |
| A. | Dobson |
| B. | Dalton |
| C. | Coulomb |
| D. | None |
| Answer» B. Dalton | |
| 5. |
Calculus was invented by_________? |
| A. | Al-khawarzimi |
| B. | Pythagoras |
| C. | IsaaC Newton |
| D. | Al. kindi |
| Answer» B. Pythagoras | |
| 6. |
Which of the following does not vary predictably with the depth of the aquatic environment? |
| A. | Salinity |
| B. | Temperature |
| C. | Penetration by sunlight |
| D. | None |
| Answer» B. Temperature | |
| 7. |
Sum of all ecosystems is classified as___________? |
| A. | Aero sphere |
| B. | Ionosphere |
| C. | Biosphere |
| D. | Ozonosphere |
| Answer» D. Ozonosphere | |
| 8. |
Vaccination is synonomyous with ____ immunity. |
| A. | Natural active |
| B. | Artificial passive |
| C. | Artificial active |
| D. | None |
| Answer» B. Artificial passive | |
| 9. |
Which of the following is not a human organ system? |
| A. | Integumentary |
| B. | Muscular |
| C. | Epithelical |
| D. | None |
| Answer» B. Muscular | |
| 10. |
Tetanus is caused by____________? |
| A. | Clostridium |
| B. | Virus |
| C. | Bacteriophage |
| D. | Salmonella |
| Answer» B. Virus | |
| 11. |
Sun is divided into ______ main layers. |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» C. 4 | |
| 12. |
Pollutants that are introduced into the environment by human activity are called as ____? |
| A. | Anthropogenic pollutants |
| B. | Qualitative pollutants |
| C. | Quantitative pollutants |
| D. | All Of Above |
| Answer» B. Qualitative pollutants | |
| 13. |
For a fixed mass of gass at constant temperature, if we decrease volume, the pressure will |
| A. | Also decrease |
| B. | Increase |
| C. | Remains constant |
| D. | None of these |
| Answer» B. Increase | |
| 14. |
Deficiency of __________ causes loss of appetite and poor growth. |
| A. | Zinc |
| B. | Iodine |
| C. | Copper |
| D. | Iron |
| Answer» B. Iodine | |
| 15. |
An area of microbiology that is concerned with the occurence of disease in human population is |
| A. | Immunology |
| B. | Paracitology |
| C. | Epidemiology |
| D. | None |
| Answer» B. Paracitology | |
| 16. |
Serum if blood plasma minus its? |
| A. | Calcium ions |
| B. | Clotting proteins |
| C. | Globulins |
| D. | none |
| Answer» C. Globulins | |
| 17. |
Study of current and past landscapes formation is known as____________? |
| A. | Morphology |
| B. | Aero logy |
| C. | Geo-morphology |
| D. | Biology |
| Answer» D. Biology | |
| 18. |
To prevent electric shocks, a/an ________ is placed in the circuit. |
| A. | Ammeter |
| B. | Voltmeter |
| C. | Fuse |
| D. | Diode |
| Answer» B. Voltmeter | |
| 19. |
The device used to measure movements of the heart is |
| A. | Cardiograph |
| B. | Seismograph |
| C. | Hydrometer |
| D. | Hygrometer |
| Answer» B. Seismograph | |
| 20. |
Pythagoras regarded sun, earth,& moon as____________ |
| A. | Triangles |
| B. | Squares |
| C. | Spheres |
| D. | Oval |
| Answer» B. Squares | |
| 21. |
The alpha particles are compact clusters of: |
| A. | Electron and Proton |
| B. | Two Protons and two Neutrons |
| C. | Three protons and three Neutrons |
| D. | None |
| Answer» B. Two Protons and two Neutrons | |
| 22. |
One of these scientists formulated basic laws of Geometry: |
| A. | Pythagorus |
| B. | Archimedes |
| C. | Aristotle |
| D. | None |
| Answer» B. Archimedes | |
| 23. |
Sun revolves around milky way in about _____ million years. |
| A. | 225 |
| B. | 230 |
| C. | 245 |
| D. | 250 |
| Answer» C. 245 | |
| 24. |
One of the following is a water soluble vitamin: |
| A. | Vitamin A |
| B. | Vitamin D |
| C. | Vitamin K |
| D. | None |
| Answer» B. Vitamin D | |
| 25. |
The dominant phase of life cycle in these organism is haploid: |
| A. | Mosses |
| B. | Bacteria |
| C. | Protozoa |
| D. | None |
| Answer» B. Bacteria | |
| 26. |
The Planet of the solar system which has Maximum number of moons is? |
| A. | Jupiter |
| B. | Venus |
| C. | Saturn |
| D. | Uranus |
| Answer» B. Venus | |
| 27. |
Who for the first time point out that the path of a projectile would a parabola : |
| A. | Issac Newton |
| B. | Thomas Edison |
| C. | Al-razi |
| D. | Galileo Galilei |
| Answer» B. Thomas Edison | |
| 28. |
Animals living in the three trunks are known as___________? |
| A. | Arboreal |
| B. | Volant |
| C. | Amphibious |
| D. | Aquaticx |
| Answer» B. Volant | |
| 29. |
Dacron is |
| A. | Polyethylene |
| B. | Epoxy |
| C. | Polyamide |
| D. | None |
| Answer» B. Epoxy | |
| 30. |
The quantity of available nutrients _____ from the lower levels of the energy pyramids to the higher ones. |
| A. | Increases |
| B. | Decreases |
| C. | Remains stable |
| D. | None |
| Answer» B. Decreases | |
| 31. |
Coulomb is the scientific unit to measure: |
| A. | Velocity |
| B. | Temperature |
| C. | Mass |
| D. | None |
| Answer» B. Temperature | |
| 32. |
The planet which is easily visible from the Earth |
| A. | Mercury |
| B. | Venus |
| C. | Mars |
| D. | Jupiter |
| Answer» B. Venus | |
| 33. |
The number of electrons of a neutral atom is automatically known if one knows the: |
| A. | Atomic number |
| B. | Atomic weight |
| C. | Number of orbitals |
| D. | None |
| Answer» B. Atomic weight | |
| 34. |
Equator passes through one of these countries: |
| A. | Saudi Arabia |
| B. | Italy |
| C. | Japan |
| D. | None |
| Answer» B. Italy | |
| 35. |
The Great Spot is on the planet |
| A. | Saturn |
| B. | Venus |
| C. | Mars |
| D. | Jupiter |
| Answer» B. Venus | |
| 36. |
Vacuum tubes have been replaced by: |
| A. | Conductors |
| B. | Diodes |
| C. | Transistors |
| D. | None |
| Answer» B. Diodes | |
| 37. |
The SI unit of charge is |
| A. | Ampere |
| B. | Coulomb |
| C. | Ohm |
| D. | Volt |
| Answer» B. Coulomb | |
| 38. |
Identify the Coldest Planet: |
| A. | Neptune |
| B. | Venus |
| C. | Jupiter |
| D. | Mars |
| Answer» B. Venus | |
| 39. |
Deficiency of Vitamin-A results in |
| A. | Night blindness |
| B. | Rickets |
| C. | Scurvy |
| D. | Hair fall |
| Answer» B. Rickets | |
| 40. |
Sunlight is made of__________colours? |
| A. | Seven colours |
| B. | Five colours |
| C. | Three colours |
| D. | Non of these |
| Answer» B. Five colours | |
| 41. |
Sensitive layer of the eye is? |
| A. | Choriods |
| B. | Sclerotic |
| C. | Retina |
| D. | Cornea |
| Answer» D. Cornea | |
| 42. |
The most abundant substance that constitutes the mass of the Earth is? |
| A. | Iron |
| B. | Oxygen |
| C. | Nitrogen |
| D. | Silicon |
| Answer» B. Oxygen | |
| 43. |
Sericulture is the study of which discipline ? |
| A. | silk production |
| B. | milk Production |
| C. | honey production |
| D. | forest timber production |
| Answer» B. milk Production | |
| 44. |
The instrument that measures temperature, pressure, and humidity at various altitudes in the atmosphere _______? |
| A. | Aneroid barometer |
| B. | Barograph |
| C. | Altimeter |
| D. | Radiosonde |
| Answer» B. Barograph | |
| 45. |
The shape of the external ear is due to: |
| A. | Elastic cartilage |
| B. | Fibrocartilage |
| C. | Articular cartilage |
| D. | None |
| Answer» B. Fibrocartilage | |
| 46. |
Sound cannot travel through __________ |
| A. | Solid |
| B. | Liquid |
| C. | Gases |
| D. | Vaccum |
| Answer» E. | |
| 47. |
The field of specialization of famous Muslim scientist Abu Usman Aljahiz was: |
| A. | Botany |
| B. | Zoology |
| C. | Astronomy |
| D. | None |
| Answer» B. Zoology | |
| 48. |
Which is the process of science? |
| A. | Observation > Experiments > Hypothesis |
| B. | Hypothesis > Observations > Experiments |
| C. | Observation > Hypothesis > Experiments |
| D. | Experiments > Observations > Hypothesis |
| Answer» B. Hypothesis > Observations > Experiments | |
| 49. |
He was the first scientist to prove that planets move around the sun: |
| A. | Archimedes |
| B. | Galileo Galilei |
| C. | John Kepler |
| D. | None |
| Answer» B. Galileo Galilei | |
| 50. |
The Tectonic Plates of the Earth |
| A. | Inner Core |
| B. | Outer Core |
| C. | Lithosphere |
| D. | Asthenosphere |
| Answer» B. Outer Core | |