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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. |
Dodder leaves and stems are |
| A. | leaves |
| B. | chlorophyll |
| C. | fungi |
| D. | bacteria |
| Answer» C. fungi | |
| 2. |
Sewage discharge into lakes or streams can be a big threat for |
| A. | marine life |
| B. | birds |
| C. | animals |
| D. | bacteria |
| Answer» B. birds | |
| 3. |
A system in which exchange takes place between living and non-living things is known as |
| A. | cycle |
| B. | computer system |
| C. | ecosystem |
| D. | none of them |
| Answer» D. none of them | |
| 4. |
Organism s in the rainforest maybe |
| A. | mammals |
| B. | rodents |
| C. | birds |
| D. | all of them |
| Answer» E. | |
| 5. |
Ammonia is a colorless inorganic compound of nitrogen and |
| A. | oxygen |
| B. | nitrogen |
| C. | helium |
| D. | hydrogen |
| Answer» E. | |
| 6. |
Substance that is unable to dissolve in the solvent is known as |
| A. | insoluble |
| B. | solute |
| C. | solvent |
| D. | soluble |
| Answer» B. solute | |
| 7. |
A molecule made up of carbon and hydrogen is |
| A. | methane |
| B. | water |
| C. | sodium chloride |
| D. | carbon dioxide |
| Answer» B. water | |
| 8. |
Metals are ductile, which means |
| A. | can be drawn into waves |
| B. | can be drawn into position |
| C. | can be drawn into wires |
| D. | can be drawn into shape |
| Answer» D. can be drawn into shape | |
| 9. |
The molecular formula for water is |
| A. | H2O |
| B. | CO2 |
| C. | NaCl |
| D. | NaHCO3 |
| Answer» B. CO2 | |
| 10. |
Animals and plants living together in a habitat form a |
| A. | population |
| B. | community |
| C. | crowd |
| D. | style |
| Answer» C. crowd | |
| 11. |
Light, temperature, air, water and land are part of |
| A. | life |
| B. | habitat |
| C. | physical environment |
| D. | style |
| Answer» D. style | |
| 12. |
When dead decaying organisms are decomposed, their left overs are called |
| A. | bacteria |
| B. | humus |
| C. | salt |
| D. | fungi |
| Answer» C. salt | |
| 13. |
All living things need food from their |
| A. | neighbors |
| B. | environment |
| C. | status |
| D. | weather |
| Answer» C. status | |
| 14. |
Beef tapeworm is the most common |
| A. | herb |
| B. | Internal parasite |
| C. | external parasite |
| D. | pesticide |
| Answer» C. external parasite | |
| 15. |
Animals which are active in night time are called |
| A. | wild animals |
| B. | pets |
| C. | nocturnal animals |
| D. | tame animals |
| Answer» D. tame animals | |
| 16. |
Dolphins and Whales are included in |
| A. | fish |
| B. | amphibians |
| C. | reptiles |
| D. | mammals |
| Answer» E. | |
| 17. |
An animal which hunt down another animal for its food is called a |
| A. | hunter |
| B. | predator |
| C. | prey |
| D. | producer |
| Answer» C. prey | |
| 18. |
Shallow roots obtain water by spreading to |
| A. | larger surface area |
| B. | reach ground |
| C. | touch stones |
| D. | absorb sand |
| Answer» B. reach ground | |
| 19. |
Ferns, orchids, ants, birds, fungi and microorganisms reside in a tree hence tree is their |
| A. | home |
| B. | shelter |
| C. | nest |
| D. | habitat |
| Answer» E. | |
| 20. |
A twisting thread like structure of a twining plant by which it attaches itself to object for support is |
| A. | roots and stem |
| B. | clasping roots |
| C. | tendrils |
| D. | leaves |
| Answer» D. leaves | |
| 21. |
When fish is not swimming the swim bladder is filled with |
| A. | air |
| B. | food |
| C. | water |
| D. | salts |
| Answer» B. food | |
| 22. |
The adaptations in fish includes |
| A. | fins |
| B. | streamlined body |
| C. | both a and b |
| D. | gills |
| Answer» D. gills | |
| 23. |
Any alteration in the structure or function of an organism or its parts which results from natural selection so as the organism becomes more comfortable in new environment is called |
| A. | adaptation |
| B. | evolution |
| C. | resolution |
| D. | habitant |
| Answer» B. evolution | |
| 24. |
The adaptations of polar bear are |
| A. | thick fur |
| B. | thick skin |
| C. | small ears and tail |
| D. | all of them |
| Answer» E. | |
| 25. |
Other than the front liquid in the eye, the rest of the eye is filled with a jelly-like liquid known as |
| A. | aqueous humour |
| B. | sclerotic |
| C. | choroid |
| D. | vitreous humour |
| Answer» E. | |
| 26. |
The outer white coat of the eyeball is known as |
| A. | sclera |
| B. | choroid |
| C. | vitreous humour |
| D. | pupil |
| Answer» B. choroid | |
| 27. |
The cavity containing eyeball is known as |
| A. | packet |
| B. | socket |
| C. | duct |
| D. | Chanel |
| Answer» C. duct | |
| 28. |
The liquid present in front part of the eye is known as |
| A. | yellow spot |
| B. | aqueous humour |
| C. | blind spot |
| D. | optic nerve |
| Answer» C. blind spot | |
| 29. |
The fluid tubes that help in balance are known as |
| A. | Semicircular canals |
| B. | pinna |
| C. | eardrum |
| D. | cochlea |
| Answer» B. pinna | |
| 30. |
The changes occur in egg after heating process are |
| A. | reversible |
| B. | irreversible |
| C. | same |
| D. | constant |
| Answer» C. same | |
| 31. |
When a material is burnt it forms new material by using gas from atmosphere called |
| A. | oxygen |
| B. | nitrogen |
| C. | carbonmono oxide |
| D. | carbon dioxide |
| Answer» B. nitrogen | |
| 32. |
The changes which cannot be returned back to their original products are |
| A. | reversible |
| B. | irreversible |
| C. | same |
| D. | constant |
| Answer» C. same | |
| 33. |
In athlete's foot the skin of person is itchy and |
| A. | flaky |
| B. | spotted |
| C. | pigmented |
| D. | rosy |
| Answer» B. spotted | |
| 34. |
Food poisoning occurs due to eating |
| A. | contaminated food |
| B. | spoilt food |
| C. | both a and b |
| D. | fresh vegetables |
| Answer» D. fresh vegetables | |
| 35. |
Microorganisms can cause humans to |
| A. | fall sick |
| B. | die |
| C. | decay |
| D. | develop |
| Answer» B. die | |
| 36. |
Different types of cheese are prepared by different kinds of |
| A. | virus |
| B. | bacteria |
| C. | fungi |
| D. | moulds |
| Answer» E. | |
| 37. |
Some infections on human body is also caused by |
| A. | yeast |
| B. | fungus |
| C. | virus |
| D. | bacteria |
| Answer» B. fungus | |
| 38. |
Hydrogen, helium, carbon, nitrogen are examples of |
| A. | solid |
| B. | metal |
| C. | non-elastic |
| D. | non-metal |
| Answer» E. | |
| 39. |
The most important use of Sulphur is in the manufacture of |
| A. | lactic acid |
| B. | sulfuric acid |
| C. | nitric acid |
| D. | carbonic acid |
| Answer» C. nitric acid | |
| 40. |
This is a silvery-white, lightweight metal, it is soft and malleable and is called |
| A. | gold |
| B. | aluminum |
| C. | steel |
| D. | iron |
| Answer» C. steel | |
| 41. |
Gas used in electrical generators as a rotor coolant is |
| A. | nitrogen |
| B. | carbon |
| C. | hydrogen |
| D. | oxygen |
| Answer» D. oxygen | |
| 42. |
In first stage, crude oil is heated and changed into |
| A. | plasma |
| B. | gas |
| C. | solid |
| D. | liquid |
| Answer» C. solid | |
| 43. |
The different types of forces which includes |
| A. | gravitational force |
| B. | frictional force |
| C. | magnetic force |
| D. | all of them |
| Answer» E. | |
| 44. |
When two magnets are placed together with like poles they will |
| A. | attract |
| B. | repel |
| C. | both attract and repel |
| D. | rotate |
| Answer» C. both attract and repel | |
| 45. |
Magnets will attract each other if they are facing each other with |
| A. | like poles |
| B. | unlike poles |
| C. | S-S poles |
| D. | N-N poles |
| Answer» C. S-S poles | |
| 46. |
Magnetic force can act from a |
| A. | distance |
| B. | time |
| C. | place |
| D. | center |
| Answer» B. time | |
| 47. |
The mass of object will remain same on moon and the weight will be |
| A. | same too |
| B. | different |
| C. | equal |
| D. | decrease |
| Answer» E. | |
| 48. |
Gold is a good conductor of |
| A. | heat |
| B. | electricity |
| C. | heat and electricity |
| D. | none of them |
| Answer» D. none of them | |
| 49. |
The chemical symbol for Sulphur is |
| A. | S |
| B. | Co2 |
| C. | Cl |
| D. | Cn |
| Answer» B. Co2 | |
| 50. |
We breathe a gas. This gas is |
| A. | hydrogen |
| B. | oxygen |
| C. | nitrogen |
| D. | helium |
| Answer» C. nitrogen | |