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. |
An example of parasitic bodies in the microbial group is |
| A. | viruses |
| B. | bacteria |
| C. | amoebae |
| D. | all of them |
| Answer» E. | |
| 2. |
Deserts and Tropical Rainforests are two very different examples of |
| A. | conditions |
| B. | climate |
| C. | Biomes |
| D. | seasons |
| Answer» D. seasons | |
| 3. |
Naturally occurring elements are |
| A. | more than 100 |
| B. | 82 |
| C. | 72 |
| D. | 62 |
| Answer» B. 82 | |
| 4. |
A compound is where atoms of different types are joined or bonded together in |
| A. | compound |
| B. | mixture |
| C. | molecules |
| D. | solution |
| Answer» D. solution | |
| 5. |
Identification of plant pigments and their isolation is carried out by the process of |
| A. | paper chromatography |
| B. | Column chromatography |
| C. | gas chromatography |
| D. | |
| Answer» B. Column chromatography | |
| 6. |
The lead in the pencils is actually a form of carbon that is slippery, smooth and black in color. This form of carbon is |
| A. | graphite |
| B. | pearl |
| C. | carbon |
| D. | zinc |
| Answer» B. pearl | |
| 7. |
It is a pale yellow, odorless and brittle material, known as |
| A. | gold |
| B. | lead |
| C. | Sulphur |
| D. | zinc |
| Answer» D. zinc | |
| 8. |
The chemical formula of sodium chloride is |
| A. | C12H22O11 |
| B. | NaCl |
| C. | C2H3O2 |
| D. | NaHCO3 |
| Answer» C. C2H3O2 | |
| 9. |
Symbol is usually derived from the name of the element, often in |
| A. | French |
| B. | Italian |
| C. | German |
| D. | Latin |
| Answer» E. | |
| 10. |
Inks, dyes and coloring agents in food can be separated by |
| A. | chromatography |
| B. | distillation |
| C. | evaporation |
| D. | filtration |
| Answer» B. distillation | |
| 11. |
The liquid in which the solute dissolves is known as |
| A. | soluble |
| B. | solvent |
| C. | solute |
| D. | none of them |
| Answer» C. solute | |
| 12. |
All the matter is made up of tiny particles known as |
| A. | mixture |
| B. | element |
| C. | atom |
| D. | molecule |
| Answer» D. molecule | |
| 13. |
Always cook food at higher temperatures to avoid microorganisms at least to |
| A. | 75 °C |
| B. | 15 °C |
| C. | 35 °C |
| D. | 45 °C |
| Answer» B. 15 °C | |
| 14. |
Some diseases are transferred from one person to other they are |
| A. | contagious |
| B. | viral |
| C. | bacterial |
| D. | fungal |
| Answer» B. viral | |
| 15. |
Bacteria in teeth may cause |
| A. | red gums |
| B. | swollen gums |
| C. | bleeding of gums |
| D. | all of them |
| Answer» E. | |
| 16. |
Food poisoning in humans is due to |
| A. | bacteria |
| B. | virus |
| C. | fungi |
| D. | dirt water |
| Answer» B. virus | |
| 17. |
Some of bacteria make their own food and some obtain from |
| A. | dead and decay matters |
| B. | plants |
| C. | animals |
| D. | humans |
| Answer» B. plants | |
| 18. |
Diseases can be prevented by help of |
| A. | drugs |
| B. | medicines |
| C. | vaccines |
| D. | hormones therapy |
| Answer» D. hormones therapy | |
| 19. |
Like plants and animals, microorganisms are |
| A. | living things |
| B. | need food |
| C. | can grow and reproduce |
| D. | all of them |
| Answer» E. | |
| 20. |
Microorganisms can cause a food to |
| A. | rot |
| B. | decay |
| C. | spoil |
| D. | all of them |
| Answer» E. | |
| 21. |
It was 19th century when scientists discovered that diseases are caused by |
| A. | microorganisms |
| B. | dead animals |
| C. | contaminated water |
| D. | plants |
| Answer» B. dead animals | |
| 22. |
E.coli can reproduce and become double in |
| A. | 20 mins |
| B. | 60 mins |
| C. | one hour |
| D. | 2 mins |
| Answer» B. 60 mins | |
| 23. |
Small amount of nutrients are absorbed by decomposers rest of them are released into |
| A. | water |
| B. | soil |
| C. | air |
| D. | atmosphere |
| Answer» E. | |
| 24. |
Malaria is deadly disease which is caused by microorganisms |
| A. | plasmodium |
| B. | virus |
| C. | bacteria |
| D. | fungus |
| Answer» B. virus | |
| 25. |
During bread making yeast produce |
| A. | carbon dioxide |
| B. | ethanol |
| C. | both a and b |
| D. | curd |
| Answer» D. curd | |
| 26. |
Milk is converted to curd or yogurt by |
| A. | virus |
| B. | bacteria |
| C. | fungi |
| D. | lemon |
| Answer» C. fungi | |
| 27. |
Important decomposers which breakdown dead waste and take nutrients from them are |
| A. | bacteria |
| B. | fungi |
| C. | both a and b |
| D. | virus |
| Answer» D. virus | |
| 28. |
The sand on beach is usually mixed with |
| A. | salts |
| B. | nutrients |
| C. | clay |
| D. | humus |
| Answer» B. nutrients | |
| 29. |
Sugar dissolves in water is not equal to phrase sugar |
| A. | melts in water |
| B. | mix in water |
| C. | is soluble in water |
| D. | form sugar solution |
| Answer» B. mix in water | |
| 30. |
A process which is used to separate insoluble solid from liquid in suspension is called |
| A. | fermentation |
| B. | filtration |
| C. | dissolving |
| D. | reaction |
| Answer» C. dissolving | |
| 31. |
Sugar can dissolve in water forming |
| A. | sugar solution |
| B. | salty solution |
| C. | aqueous solution |
| D. | mixture |
| Answer» B. salty solution | |
| 32. |
Soluble solid is separated from water by process of |
| A. | heating |
| B. | evaporation |
| C. | condensation |
| D. | reaction |
| Answer» C. condensation | |
| 33. |
Scientists use to measure a chemical's |
| A. | volume |
| B. | length |
| C. | color |
| D. | shape |
| Answer» B. length | |
| 34. |
Volume of seashells, pebbles and keys can be measured by |
| A. | measuring cylinder |
| B. | displacement method |
| C. | Vernier caliper |
| D. | measuring flask |
| Answer» C. Vernier caliper | |
| 35. |
Types of balance includes |
| A. | beam balance |
| B. | electronic balance |
| C. | both a and b |
| D. | natural balance |
| Answer» D. natural balance | |
| 36. |
An average speed is equal to the total distance which is travelled divided by the |
| A. | taken time |
| B. | speed limit |
| C. | direction |
| D. | area |
| Answer» B. speed limit | |
| 37. |
Higher speed is seen in an |
| A. | faster moving object |
| B. | slower moving object |
| C. | constant moving object |
| D. | still object |
| Answer» B. slower moving object | |
| 38. |
The layer present between the retina and sclera is known as |
| A. | choroid |
| B. | cornea |
| C. | pupil |
| D. | retina |
| Answer» B. cornea | |
| 39. |
Epithelial tissues containing cilia are present in the |
| A. | respiratory tract |
| B. | intestine |
| C. | stomach |
| D. | kidneys |
| Answer» B. intestine | |
| 40. |
A collection of tissues to provide a function is known as |
| A. | tissue |
| B. | organ |
| C. | muscle |
| D. | cells |
| Answer» C. muscle | |
| 41. |
The part that works to reflect the light for the microscope is known as |
| A. | stage |
| B. | illumination |
| C. | tube |
| D. | fine focus |
| Answer» C. tube | |
| 42. |
Axon is a part of nerve cell that take the nerve impulse |
| A. | away |
| B. | inside |
| C. | stop signals |
| D. | none of them |
| Answer» B. inside | |
| 43. |
A system that removes the waste materials from the body is known as |
| A. | Excretory system |
| B. | respiratory system |
| C. | nervous system |
| D. | digestive system |
| Answer» B. respiratory system | |
| 44. |
Sublimation is a process in which solid changes to gas without passing through the |
| A. | evaporation |
| B. | solid phase |
| C. | liquid phase |
| D. | crystal phase |
| Answer» D. crystal phase | |
| 45. |
The chemical formula for chalk is |
| A. | C2H5OH |
| B. | H2SO4 |
| C. | CaCO3 |
| D. | C2H3O2 |
| Answer» D. C2H3O2 | |
| 46. |
Element is a class that cannot be separated into further simple substances by |
| A. | scientific means |
| B. | physical means |
| C. | chemical means |
| D. | none of them |
| Answer» D. none of them | |
| 47. |
The elements that make up most living organisms are |
| A. | hydrogen |
| B. | oxygen |
| C. | carbon |
| D. | all of them |
| Answer» E. | |
| 48. |
The smallest part of a substance would be referred as a |
| A. | molecule |
| B. | electron |
| C. | metal |
| D. | compound |
| Answer» B. electron | |
| 49. |
A person jumping from an aero plane with parachute will reach ground |
| A. | slowly |
| B. | safely |
| C. | both a and b |
| D. | harshly |
| Answer» D. harshly | |
| 50. |
A magnet can attract a magnetic material which is in its |
| A. | magnetic power |
| B. | magnetic field |
| C. | magnetic force |
| D. | magnetism |
| Answer» C. magnetic force | |