Science Cells

What is the basic unit and structure of life?

• cells

• tissues

• organs

• atoms

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Which of these organelles are found in ANIMAL cells?

• cell wall

• cell membrane

• chloroplasts

• mitochonria

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Which includes an order of organization of multicellular organisms from smallest to largest?

• tissues, cells, organs, organ systems, organism

• cell, tissue, organs, organ systems, organism

• organism, cells, tissues, organ systems, organism

• tissues, cells, organs, organ sytems, organism

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Anything that can perform life processes by itself is a(n) ________________ .

• atom

• organ

• organism

• organelle

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A science class used a microscope and observed that the cells have nuclei and chloroplasts. In which domain would the organism MOST likely be classified?

• Bacteria

• Archaea

• Eukarya

• Plantae

Which of the following would you find ONLY in a eukaryotic cell?

• membrane bound organelles and a nucleus

• a nucleus and organelles without membranes

• a cell membrane and organelles without membranes

• membrane-bound organelles and DNA in cytoplasm

A cat and a cactus plant are very different organisms. How are the cells of these two organisms similar?

• They hold photosynthesizing organisms.

• They use carbon dioxide to make large amounts of energy.

• They carry out the basic functions of inhaling, exhaling and making their own food.

• Their cells carry out similar processes to maintain homeostasis.

Karla is reading about a single-cell microorganism that can live inside the human body. This type of organism can be either harmful or harmless to people, depending on the type. One harmless type lives in the intestines and helps the body digest food. One harmful type can cause strep throat. Which type of organism is Karla most likely reading about?

• bacteria

• fungi

• parasite

• virus

All cells must carry out three basic functions to grow and pass on life. How do cells perform these three basic functions?

• They use a source of energy, release waste and form new cells

• They send out signals, extract food and breathe carbon dioxide

• They develop new tissues, make fats, and form new cells

• They drink water, breathe oxygen and release waste.

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Cells must be able to perform certain functions in order to survive. Which of the following must all cells do to survive?

• obtain energy

• use oxygen

• absorb waste

• continue growing

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