نماذج اختبارات - ساينس - شهر نوفمبر - الصف الخامس - ترم اول

هذه معاينة نصية للأسئلة للاطّلاع والمراجعة فقط. لخوض الاختبار تفاعليًّا مع تصحيح آلي ونتيجة فورية، اضغط زر «ابدأ الاختبار» أدناه.

1. If There is a heavy rain in the desert...........
   • أ. the desert ecosystem may be harmed
   • ب. the desert ecosystem may be improved
2. If there is a gentle rain in the desert ............
   • أ. the desert ecosystem may be improved
   • ب. the desert ecosystem may be harmed
3. If there is a drought and all the grass dies ..........
   • أ. the desert ecosystem may be harmed
   • ب. the desert ecosystem may be harmed
   • ج. the desert ecosystem may be improved
4. If there are many top predators in the food web ...................
   • أ. the other organisms in the food web may be harmed
   • ب. the food web in the ecosystem may be destroyed
   • ج. the desert ecosystem may be harmed
5. Energy ........ created or destroyed but it transfers.
   • أ. can’t be
   • ب. can be
6. The first source of energy is the .........
   • أ. sun
   • ب. water
   • ج. moon
7. ...........energy transferred to the primary consumer when it feeds on plant
   • أ. Primary consumer
   • ب. Secondary consumer
   • ج. Decomposer
8. Leakage of oil into seawater ................ affects the marine organisms.
   • أ. negatively
   • ب. positevely
9. Seabirds feed on ............
   • أ. small fish
   • ب. plants
   • ج. microorganisms
10. The ........... feed on microorganisms that float on the surface of the sea
    • أ. small fish
    • ب. Seabirds
    • ج. plants
11. Seabirds build their nests on the topof mountain cliffs
    • أ. True
    • ب. False
12. ............. they are too small organisms that can't be seen by eyes
    • أ. Microorganisms
    • ب. small fish
13. ....................are producers in the marine food web
    • أ. Microorganisms
    • ب. seabirds
    • ج. small fish
14. Microorganisms make their own food and live in ........... habitats
    • أ. cold water
    • ب. hot water
    • ج. cold land
15. If the temperature of water increase the sea birds will die
    • أ. True
    • ب. False
16. Food webs can be destroyed due to pollution
    • أ. True
    • ب. False
17. ................provide food and shelter for large numbers of fish and other marine organisms
    • أ. Coral reef
    • ب. Microorganisms
18. ..............When water is very warm, coral reef will get rid of the algae living in their tissues it make coral reefs turn completely into white.
    • أ. Coral bleaching
    • ب. blushing coral
    • ج. destroying coral reefs
19. Overfishing in seas and oceans
    • أ. can affect the ecosystem
    • ب. can't affect the ecosystem
20. Coral reefs harmed by feeding on plastic
    • أ. True
    • ب. False