اختبار - ساينس - CELL - سادسة ابتدائي - مقرر اكتوبر

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

1. Scientists use …………….to observe some too small things
   • أ. microscope
   • ب. camera
   • ج. lens
   • د. Mirrors
2. The nucleus of a cell was discovered through observation of numerous ………
   • أ. plant cells
   • ب. muscle Cells
   • ج. blood Cells
   • د. animal cells
3. we look at the slide through the .....
   • أ. eyepiece
   • ب. objective lens
   • ج. stage
   • د. stage clips
4. You can change the magnifying power by changing the…………
   • أ. objective lens
   • ب. eyepiece
   • ج. stage clips
   • د. stage
5. If the microscope wasn't invented. Scientists would not be able to discover the cell and its structure
   • أ. True
   • ب. False
6. Living organisms are classified according to the number of cells into
   • أ. True
   • ب. False
7. ………. He was the first person to use the word "cell"
   • أ. Robert Hooke
   • ب. Abraham Bell
   • ج. Einstein
8. Unicellular organisms are organisms made up of…………
   • أ. only one cell
   • ب. more than one cell
9. A human has about …….cells
   • أ. 40 trillion
   • ب. 40 Million
   • ج. 450 trillion
   • د. 400 trillion
10. …….A group of similar cells that share a common origin and perform the same function
    • أ. Tissue
    • ب. Organ
    • ج. Cell
    • د. System
11. Cell works together to form………
    • أ. Tissue
    • ب. Organ
    • ج. System
12. ……..A group of tissues involved in performing a particular function.
    • أ. Organ
    • ب. Cell
    • ج. System
    • د. Entire organism
13. Lung, eye, stomach are considered as ……..
    • أ. Organs
    • ب. Tissue
    • ج. Entire organism
    • د. System
14. ……….It surrounds the plant cell from outside
    • أ. Cell wall
    • ب. Plasma Membrane
    • ج. Nucleus
    • د. Cytoplasm
15. ……… It is located inside the membrane
    • أ. Cytoplasm
    • ب. Cell wall
    • ج. Plasma Membrane
    • د. Nucleus
16. ………..It surrounds the cell
    • أ. Plasma Membrane
    • ب. Cell wall
    • ج. Nucleus
    • د. Cytoplasm
17. ………It's a structure within the cell that has a special function.
    • أ. Organelle
    • ب. Organ
    • ج. System
    • د. Nucleus
18. The function of the cell wall.............
    • أ. gives the cell a definite shape
    • ب. protects the cell
    • ج. control center for the organelles
    • د. supports the organelles
19. Most cells have cytoplasm, a cell membrane, a nucleus, and mitochondria
    • أ. True
    • ب. False
20. ……It is the gelatinous liquid inside the cells in which other cell parts float
    • أ. Cytoplasm
    • ب. Organelle
    • ج. Nucleus
    • د. Cell wall
21. ……..They are powerhouses that supply the cell with energy.
    • أ. Mitochondria
    • ب. Organelle
    • ج. Cytoplasm
    • د. Nucleus
22. Cellular respiration It's a process of using …….gas to get chemical energy from food
    • أ. oxygen
    • ب. Carbon Dioxide
    • ج. Nitrogen
    • د. Hydrogen
23. …… It is responsible for controlling cell activities
    • أ. Nucleus
    • ب. Cytoplasm
    • ج. Mitochondria
    • د. Organelle
24. Different cells have different structures.
    • أ. True
    • ب. False
25. They are organisms that have no more than one cell
    • أ. False
    • ب. True