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. |
To avoid the bad intensity of daytime heat, the animals of desert come out of their habitats at/in |
| A. | day |
| B. | night |
| C. | evening |
| D. | dawn |
| Answer» C. evening | |
| 2. |
PH value of soil directly affects the growth of |
| A. | land |
| B. | pressure |
| C. | plant |
| D. | none of them |
| Answer» D. none of them | |
| 3. |
Crabs that lack a hard carapace, and adopt the empty shells of gastropod mollusks, such as |
| A. | snail |
| B. | whelk |
| C. | grasshopper |
| D. | lobster |
| Answer» C. grasshopper | |
| 4. |
Due to lack of food and water, only reptiles, rodents and amphibians would be found in the |
| A. | tropical rainforest |
| B. | plains |
| C. | desert |
| D. | mountains |
| Answer» D. mountains | |
| 5. |
Fleas are the most common |
| A. | Internal parasites |
| B. | external parasites |
| C. | pesticides |
| D. | amoebas |
| Answer» C. pesticides | |
| 6. |
Lakes, ponds, forests, dens and even a single drop of water could be an example of |
| A. | habitat |
| B. | community |
| C. | population |
| D. | minerals |
| Answer» B. community | |
| 7. |
Greenhouses use the effect of temperature rise, in order to increase the rate of |
| A. | transpiration |
| B. | respiration |
| C. | photosynthesis |
| D. | processing |
| Answer» D. processing | |
| 8. |
The vascular bundle named xylem, takes water and minerals to the |
| A. | leaves |
| B. | flower |
| C. | roots |
| D. | stem |
| Answer» B. flower | |
| 9. |
The rate of photosynthesis is affected when the temperature is too |
| A. | hot |
| B. | mild |
| C. | cold |
| D. | hot or cold |
| Answer» E. | |
| 10. |
Glucose and oxygen combine to form carbon dioxide and water plus |
| A. | oxygen |
| B. | energy |
| C. | neon |
| D. | nitrous oxide |
| Answer» C. neon | |
| 11. |
The process of photosynthesis increases when the light gets |
| A. | dim |
| B. | brighter |
| C. | off |
| D. | none of them |
| Answer» C. off | |
| 12. |
The color of the pigment in chloroplast is |
| A. | green |
| B. | black |
| C. | yellow |
| D. | red |
| Answer» B. black | |
| 13. |
The process of photosynthesis takes place in the |
| A. | Starch and Sucrose |
| B. | Glucose and oxygen |
| C. | chloroplast |
| D. | system |
| Answer» D. system | |
| 14. |
The guard cells flanking stomata control the oxygen and carbon dioxide entering the leaf by opening and closing the |
| A. | veins |
| B. | leaf pores |
| C. | stoma |
| D. | palisade |
| Answer» C. stoma | |
| 15. |
Which of these is true about photosynthesis? |
| A. | It occurs in both animal and plants |
| B. | It occurs in both fungi and plants |
| C. | it is a breaking down process |
| D. | it is building up process |
| Answer» E. | |
| 16. |
Photosynthesis decreases the concentration of carbon dioxide in air and other harmful wastes, this increases the purification of respiratory disease for |
| A. | none of them |
| B. | living beings |
| C. | only plants |
| D. | only animals |
| Answer» C. only plants | |
| 17. |
All animals need oxygen and most of this oxygen comes from |
| A. | roots |
| B. | plants |
| C. | stem |
| D. | pollen grain |
| Answer» C. stem | |
| 18. |
Plant products like timber, rubber, herbs, medicines resin and oils are derived from |
| A. | respiration |
| B. | photosynthesis |
| C. | processing |
| D. | transpiration |
| Answer» C. processing | |
| 19. |
Respiration takes place in |
| A. | day |
| B. | night |
| C. | day & night |
| D. | none of them |
| Answer» D. none of them | |
| 20. |
Small openings under the leaf surface through which gaseous exchange and water loss takes place is known as |
| A. | pollen grain |
| B. | stomata |
| C. | petal |
| D. | stigma |
| Answer» C. petal | |
| 21. |
Mesophyll tissues contain chlorophyll and proteins to carry out |
| A. | photosynthesis |
| B. | respiration |
| C. | transpiration |
| D. | none of them |
| Answer» B. respiration | |
| 22. |
Technology helps us towards further |
| A. | hypothesis |
| B. | discoveries |
| C. | verification |
| D. | analysis |
| Answer» C. verification | |
| 23. |
The study of nature is called |
| A. | astronomy |
| B. | archeology |
| C. | science |
| D. | arts |
| Answer» D. arts | |
| 24. |
A skill which is used to transmit and receive information by using tables, charts, graphs, drawings or words is called |
| A. | processes |
| B. | skills |
| C. | communication |
| D. | analysis |
| Answer» D. analysis | |
| 25. |
In a sense science and technology is a sword with |
| A. | sharp blade |
| B. | double edge |
| C. | large weight |
| D. | high cost |
| Answer» C. large weight | |
| 26. |
We can travel far away places with ease and in less time by invention of |
| A. | buses |
| B. | aero planes |
| C. | missiles |
| D. | internet |
| Answer» C. missiles | |
| 27. |
Plants need oxygen |
| A. | to make pollen that is lighter than air in their flowers |
| B. | to combine with hydrogen from the soil and make water |
| C. | to make food as part of the process of photosynthesis |
| D. | To breakdown food that they have stored and use it to grow |
| Answer» E. | |
| 28. |
At midnight, the process taking place in the leaves is called |
| A. | photosynthesis |
| B. | mainly photosynthesis and some respiration |
| C. | none of them |
| D. | respiration |
| Answer» E. | |
| 29. |
Photosynthesis is a process that converts waste products to useful substance, which in result provide |
| A. | oxygen |
| B. | energy |
| C. | neon |
| D. | carbon dioxide |
| Answer» C. neon | |
| 30. |
The main task of stomata is to |
| A. | intake of carbon dioxide and the release of oxygen |
| B. | intake of carbon dioxide |
| C. | release of oxygen |
| D. | release of carbon dioxide |
| Answer» B. intake of carbon dioxide | |
| 31. |
Leaf adapted to carry out photosynthesis because they are |
| A. | thin |
| B. | flat |
| C. | flat & thin |
| D. | none of them |
| Answer» D. none of them | |
| 32. |
The rate of photosynthesis increases with increase in the concentration of |
| A. | carbon dioxide |
| B. | oxygen |
| C. | sun light |
| D. | neon |
| Answer» B. oxygen | |
| 33. |
Chlorophyll is a |
| A. | single pigment |
| B. | color |
| C. | complex pigment |
| D. | none of them |
| Answer» D. none of them | |
| 34. |
Photosynthesis reduces the concentration of |
| A. | carbon dioxide |
| B. | oxygen |
| C. | energy |
| D. | neon |
| Answer» B. oxygen | |
| 35. |
The dead protective layer over the upper epidermis of the leaf and below the lower one is known as |
| A. | palisade |
| B. | mesophyll |
| C. | cuticle |
| D. | stoma |
| Answer» D. stoma | |
| 36. |
The most chloroplast organelles are present in |
| A. | stoma |
| B. | palisade layer |
| C. | stigma |
| D. | stalk |
| Answer» C. stigma | |
| 37. |
Invention of new products and solving problems by the application of science is known as |
| A. | technology |
| B. | vaccine |
| C. | coining |
| D. | all of them |
| Answer» B. vaccine | |
| 38. |
At times humans does do to science and technology the |
| A. | misuse |
| B. | abuse |
| C. | both a and b |
| D. | beneficial |
| Answer» D. beneficial | |
| 39. |
Great benefits have brought to mankind by |
| A. | science |
| B. | technology |
| C. | both a and b |
| D. | astronomy |
| Answer» D. astronomy | |
| 40. |
Discovery of new medicines can prevent or even cure different diseases and enable us to live |
| A. | longer |
| B. | healthier |
| C. | both a and b |
| D. | stronger |
| Answer» D. stronger | |
| 41. |
Science and technology both have their specified |
| A. | limitations |
| B. | benefits |
| C. | discoveries |
| D. | all of them |
| Answer» B. benefits | |
| 42. |
Leaves carry out the process of photosynthesis due to |
| A. | flat shape |
| B. | periodic replacement |
| C. | they contain most of the plant's chlorophyll |
| D. | all of them |
| Answer» E. | |
| 43. |
The gas that has second highest percentage in air is |
| A. | carbon dioxide |
| B. | argon |
| C. | oxygen |
| D. | nitrogen |
| Answer» D. nitrogen | |
| 44. |
An artist can make best use of colors by knowing their |
| A. | brands |
| B. | science |
| C. | physics |
| D. | texture |
| Answer» C. physics | |
| 45. |
The study of living things is the branch of science called |
| A. | biology |
| B. | chemistry |
| C. | physics |
| D. | geology |
| Answer» B. chemistry | |
| 46. |
If a chemical get into your mouth you should |
| A. | spit it out |
| B. | rinse your mouth |
| C. | visit a doctor |
| D. | all of them |
| Answer» E. | |
| 47. |
Science experiments are really interesting and you may have fun but if you are not careful it can be |
| A. | dangerous |
| B. | exciting |
| C. | normal |
| D. | same |
| Answer» B. exciting | |
| 48. |
If you met an accident like injury, breakage or spillage you should immediately |
| A. | report to teacher |
| B. | run |
| C. | hide |
| D. | leave lab |
| Answer» B. run | |
| 49. |
Astronomy includes the study of stars, planets, moons and |
| A. | space |
| B. | earth |
| C. | global warming |
| D. | all of them |
| Answer» B. earth | |
| 50. |
Thomas Edison invented light bulb, phonograph, motion picture apparatus and many things even being |
| A. | blind |
| B. | deaf |
| C. | dumb |
| D. | sick |
| Answer» C. dumb | |