[غريبـ فيـ زمنـ عجيبـ]

نمـــوذج 11 بالحل






Question of chapter : Training 1

1.Arrange the following in a correct order.

cells, molecules, atoms, organelles. () molecules, atoms, cells, organelles. () atoms, molecules, organelles, cells. () cells, organelles, molecules, atoms. () atoms, organelles, cells, molecules




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2.All of the following are living things except:

. () Cells. () Bacteria. () Proteins. () Plant. () Paramecium



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3.The Venus fly trap closed its trap rapidly in response to the ______ of a house fly landing on it.

power. () behavior. () stimulus. () structure. () force



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4.________-based science usually involves proposing and testing of hypotheses.

. () Theories. () Observation. () Hypothesis. () Logic. () Fundamental




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5.Electron is the __________ subatomic particle that circles an atom nucleus.

negative charged. () isotope. () polymer. () positively charged. () equal charged




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6.The versatility of water as a solvent resulted from its:

Neutrality.. () polarity.. () acidity.. () alkalinity.. () none of the above.




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7.Which of the following contributes to the “greenhouse” effect and alters ocean chemistry?

. () N2. () CO2. () H2. () O2. () CH4




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8.Isomers are

identical compounds with different molecular weights. () different compounds with the same molecular formula. () hydrocarbons with different molecular weights. () examples of methane gases. () petroleum compounds with different molecular weights




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