[غريبـ فيـ زمنـ عجيبـ]

نموذج 7 بالحل




Question of chapter : Training 1

1.The term biology is derived from the _____ word bio which means life.

. () Roman. () Greek. () English. () Latin. () Spanish




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2.Photosynthesis organisms provide interactions and are called_________.

.consumers. () converters. () recyclers. () producers. () A and B choices are correct




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3.Which of the following examples best describes the energy processing (bolism) property of the living organism?

. () The structure of asunflower. () Ears of the jackrabbit. () A bear eats a fish. () Emperorpenguin and his baby. () Camouflage of pygmy seahorses in its environment




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4.The scientific method of studying living things include:

a. observations only. () b. observations and questions only. () c. observations ,questions and hypothesis only. () d.observations ,questions ,hypothesis and prediction only. () observations ,questions ,hypothesis, prediction and testing the prediction




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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.In neighboring water molecules -----------, as part of a polar covalent bond, share attractions with -------- atom in the other water molecule.

. () hydrogen ----- oxygen. () oxygen --------- nitrogen. () hydrogen ------- hydrogen. () oxygen -------- oxygen. () hydrogen ------ nitrogen




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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.Organic compounds always contain

. () nitrogen.. () DNA.. () carbon.. () RNA.. () oxygen.



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