MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The relation of organisms in which one gets benefit and other is harmed is known as |
| A. | parasitism |
| B. | mutualism |
| C. | predation |
| D. | none of them |
| Answer» B. mutualism | |
| 2. |
Mosses and ferns are mostly found in damp and ________ environment |
| A. | high light |
| B. | darkness |
| C. | low light |
| D. | no light |
| Answer» D. no light | |
| 3. |
Chemical formula contains the symbols of elements present in the |
| A. | compound |
| B. | mixture |
| C. | solution |
| D. | molecule |
| Answer» B. mixture | |
| 4. |
The process that is easy to separate salt from sea water is known as |
| A. | magnetism |
| B. | evaporation |
| C. | sublimation |
| D. | distillation |
| Answer» C. sublimation | |
| 5. |
A metal cheaper than copper and has a good conductivity of electricity, this metal is known as |
| A. | Sulphur |
| B. | gold |
| C. | aluminum |
| D. | steel |
| Answer» D. steel | |
| 6. |
Liquefied form of oxygen is used as |
| A. | ships |
| B. | car fuel |
| C. | generator |
| D. | space craft fuel |
| Answer» E. | |
| 7. |
The three fundamental particles of the atom are |
| A. | Nucleus, Anti-quarks and Electrons |
| B. | Proton, Neutron and Electron |
| C. | Mesons, Quarks and Anti-neutrino |
| D. | Positron, Neutrino and Gamma Rays |
| Answer» C. Mesons, Quarks and Anti-neutrino | |
| 8. |
Substances which burn in air rapidly and catch fire easily are called |
| A. | flammable |
| B. | inflammable |
| C. | both a and b |
| D. | not flammable |
| Answer» D. not flammable | |
| 9. |
In case of chocolate the heating lead to changes which are |
| A. | reversible |
| B. | irreversible |
| C. | same |
| D. | constant |
| Answer» B. irreversible | |
| 10. |
When a candle is lit solid wax melts into |
| A. | liquid |
| B. | vapor |
| C. | gas |
| D. | molten |
| Answer» B. vapor | |
| 11. |
On heating sugar gives off |
| A. | carbon(black solid0 |
| B. | water vapors |
| C. | both a and b |
| D. | carbon dioxide |
| Answer» D. carbon dioxide | |
| 12. |
When a fruit salt is mixed with water we observe |
| A. | bubbles of gas |
| B. | no visible change |
| C. | salty taste |
| D. | blue color |
| Answer» B. no visible change | |
| 13. |
Adaptation is important for organisms because |
| A. | it makes them look legendary |
| B. | So people think they're cool |
| C. | So they can survive |
| D. | all of them |
| Answer» D. all of them | |
| 14. |
A consumer that feeds on other animals are known to be |
| A. | decomposer |
| B. | herbivores |
| C. | producer |
| D. | carnivores |
| Answer» E. | |
| 15. |
Due to high temperature, the solubility of oxygen in water decreases and so the availability of |
| A. | oxygen |
| B. | nitrogen |
| C. | nitrous oxide |
| D. | carbon dioxide |
| Answer» B. nitrogen | |
| 16. |
Animals that can change their body temperatures according to the environmental temperature are known to be |
| A. | cold-blooded |
| B. | warm-blooded |
| C. | herbivores |
| D. | carnivores |
| Answer» C. herbivores | |
| 17. |
A process that requires water and carbon dioxide as raw materials is known as |
| A. | photosynthesis |
| B. | chloroplast |
| C. | germination |
| D. | ecosystem |
| Answer» B. chloroplast | |
| 18. |
A quantity which can be measured and used in a mathematical equations of technology and science is called |
| A. | qualitative quantity |
| B. | physical quantity |
| C. | chemical quantity |
| D. | complex quantity |
| Answer» C. chemical quantity | |
| 19. |
Standard unit of electric current is |
| A. | watt |
| B. | volt |
| C. | ampere |
| D. | shock |
| Answer» D. shock | |
| 20. |
In equation form speed is written as |
| A. | time=distance/speed |
| B. | distance=speed*time |
| C. | speed=distance travelled/time taken |
| D. | all of them |
| Answer» E. | |
| 21. |
Km are used to measure |
| A. | shorter distance |
| B. | longer distances |
| C. | toys |
| D. | bottles |
| Answer» C. toys | |
| 22. |
To measure shorter distances or lengths one can use |
| A. | meter ruler |
| B. | half meter ruler |
| C. | both a and b |
| D. | Vernier caliper |
| Answer» D. Vernier caliper | |
| 23. |
While investigating electric current the change can takes place in |
| A. | 1 variable |
| B. | 2 variables |
| C. | 3 variables |
| D. | 4 variables |
| Answer» B. 2 variables | |
| 24. |
When switch is turned on the gap between circuit is |
| A. | opened |
| B. | closed |
| C. | released |
| D. | blocked |
| Answer» C. released | |
| 25. |
In a symbol of a battery the positive end is represented by |
| A. | a long line |
| B. | a short line |
| C. | a curve |
| D. | a plus sign |
| Answer» B. a short line | |
| 26. |
To close and open an electric circuit electrical component use is called |
| A. | switch |
| B. | plug |
| C. | socket |
| D. | extension |
| Answer» B. plug | |
| 27. |
An open circuit is defined as |
| A. | discontinuous |
| B. | broken path |
| C. | current will not flow |
| D. | all of them |
| Answer» E. | |
| 28. |
The instruments which can be used to measure length includes |
| A. | measuring tapes |
| B. | meter ruler |
| C. | Vernier caliper |
| D. | all of them |
| Answer» E. | |
| 29. |
The volume is measured by help of a curve made in measuring cylinder called |
| A. | meniscus curve |
| B. | round curve |
| C. | slanting curve |
| D. | volume curve |
| Answer» B. round curve | |
| 30. |
The meaning of eighth thousandth of a gram in SI is eight |
| A. | gram |
| B. | milligrams |
| C. | micrograms |
| D. | monogram |
| Answer» C. micrograms | |
| 31. |
The metric system is a system which is the standard of |
| A. | measurement |
| B. | living things |
| C. | experimenting |
| D. | analysis |
| Answer» B. living things | |
| 32. |
In SI the unit of mass is |
| A. | gram |
| B. | kilogram |
| C. | micrograms |
| D. | monogram |
| Answer» C. micrograms | |
| 33. |
A minute scale and a second scale is present in |
| A. | a watch |
| B. | alarm clock |
| C. | hour glass |
| D. | mechanical stop watch |
| Answer» E. | |
| 34. |
The measure of a surface of extent is called as |
| A. | area |
| B. | diameter |
| C. | length |
| D. | cover |
| Answer» B. diameter | |
| 35. |
A gravitational force which act on an object and measured in Newton is called |
| A. | power |
| B. | force |
| C. | caliber |
| D. | energy |
| Answer» C. caliber | |
| 36. |
The error which is most common in measurements is due to wrong placement of eye while taking readings is called |
| A. | parallax error |
| B. | eye error |
| C. | common error |
| D. | free error |
| Answer» B. eye error | |
| 37. |
Vernier caliper helps in measuring |
| A. | external diameter |
| B. | internal diameter |
| C. | thickness and depth of narrow tubes |
| D. | all of them |
| Answer» E. | |
| 38. |
One cubic meter is the total volume of a cube which is occupying length of |
| A. | 0.1 mm |
| B. | 1mm |
| C. | 1m |
| D. | 10m |
| Answer» D. 10m | |
| 39. |
Weight and mass are used in our daily life as interchangeable hence they are |
| A. | same |
| B. | different |
| C. | equal |
| D. | no change |
| Answer» C. equal | |
| 40. |
Road signs like 50 km/h are warning to drive in given |
| A. | area |
| B. | speed limit |
| C. | direction |
| D. | distance |
| Answer» C. direction | |
| 41. |
The volume of liquids can be measured by using different instruments which includes |
| A. | cylinders |
| B. | volumetric flasks |
| C. | burettes or pipettes |
| D. | all of them |
| Answer» E. | |
| 42. |
Unit of length in SI system is |
| A. | kilometer |
| B. | meter |
| C. | centimeter |
| D. | kilogram |
| Answer» C. centimeter | |
| 43. |
To perform fractional distillation of air, it must be liquefied and then purified to remove |
| A. | dust |
| B. | molecule |
| C. | atom |
| D. | rust |
| Answer» B. molecule | |
| 44. |
In desert areas, the water vapor content is |
| A. | different |
| B. | higher |
| C. | low |
| D. | constant |
| Answer» D. constant | |
| 45. |
The process of burning under the presence of oxygen is known as |
| A. | combustion |
| B. | reaction |
| C. | respiration |
| D. | production |
| Answer» B. reaction | |
| 46. |
Greenhouse gases and other harmful gases are bringing huge damage to the atmosphere like |
| A. | acid rain |
| B. | global warming |
| C. | ozone hole |
| D. | all of them |
| Answer» E. | |
| 47. |
Breathing is a process that refers to the inhaling and exhaling of |
| A. | gas |
| B. | air |
| C. | molecule |
| D. | proton |
| Answer» C. molecule | |
| 48. |
The soil which is mixture of clay, sand and humus is called |
| A. | humus |
| B. | loam |
| C. | clay |
| D. | compost |
| Answer» C. clay | |
| 49. |
In the word photosynthesis 'photo' means |
| A. | light |
| B. | photograph |
| C. | making |
| D. | reproduction |
| Answer» B. photograph | |
| 50. |
Therefore in photosynthesis the energy which is stored in plants and animals is being derived from |
| A. | sun |
| B. | glucose |
| C. | oxygen |
| D. | chloroplast |
| Answer» B. glucose | |