Science - Unit 1 (Booklet A)

The __________ is the part of the cell that contains information and tells the cell what to do.

• nucleus

• cell wall

• cell membrane

• tissue

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The smallest unit from which all organisms are made.

• bacteria

• tissue

• cell

• organ

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Which organism is best classified as a single-celled organism?

• grasshopper
• bacteria
• pine needle
• mole

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Which tool would be most helpful for studying bacteria?

• Telescope
• Binoculars
• Microscope

Which is an example of a single celled organism?

• amoeba

• insect

• fish

• worm

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You examine some pond water under a microscope with a 10x objective.  At this level of magnification, you should be able to see ____________________.

• viruses

• protists

• bacteria

• all of the above

Which of the following statements are true?

• Living organisms are not made up of cells.

• A few living organisms are made up of cells.

• Most living organisms are made up of cells.

• All living organisms are made up of cells.

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Plant cells do not contain...

• many small vacuoles

• choloroplasts

• a cell membrane

• a cell wall

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The ___________ is the basic unit of life

• organ

• cell

• atom

• tissue

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Which part of the cell is often called "the brain of the cell"?

• nuclear membrane
• endoplasmic reticulum
• nucleus
• mitochondria

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