[غريبـ فيـ زمنـ عجيبـ]

Question of chapter : Training 1

.Population is (1
all the environments on Earth that support life ()all the organisms living in a particular area ()the array of organisms living in a particular ecosystem ().all species only interbread with each other in a specific area ()all individuals of a species only interbread with each other in a specific area




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2).In an (a) eukaryotic cell the __________ is surrounded by a nuclear membrane.
mitochondria ().Golgi bodies ()Genetic material () Lysosome () Vacuole




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3) Organisms that have a nucleus and organelles arewithin the ---------domain:

Archaea() Eukarya(). Bacteria()Eukarya and Bacteria()Archaea and Bacteria




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4) .Which of these is not a step of the scientific method?

()Hypothesis ()Experiment ()Conclusion ()Plagiary ()None of the above



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5) .Energy emitted from isotopes causes --------------- of chemical bonds.

()breakdown ()formation ()determination ()duplication ()connection




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6) .Water is less dense as a ---------

()solid ()liquid ()gas ()steam ()solution



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7) .A neutral solution has --------- concentration of -----

higher ---- OH- () lower ----- OH- () higher ---- H+ lower ----- H+ () equal ----- O H- and H()



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8) By sharing electrons, a carbon atomcan

()branch in up to four directions ()react with four oxygen atoms () form an unstable molecule ()increase its atomic number ()ain negative charges




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