Cells Unit Test Review 1 Question Preview (ID: 34772)


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Photosyntheseis is the way plants make food. Which of the following are always needed for photosynthesis?
a) water, roots, stems, leaves
b) water, light, flowers, oxygen
c) water, light, chlorophyll, carbon dioxide
d) water, light, fertilizer, oxygen

The process in which green plants convert energy from the Sun into energy stored in carbon-containing molecules is called:
a) respiration
b) photosynthesis
c) digestion
d) combustion

ALL living things are made of:
a) cells
b) tissues
c) fibers
d) organs

Which part of a plant cell controls the activities of all other cell parts?
a) cell membrane
b) vacuole
c) cell wall
d) nucleus

In order to support life, the most important gas taken into the lungs is:
a) carbon monoxide
b) nitrogen
c) oxygen
d) hydrogen

Which of these BEST explains how the cell membrane helps animal cells grow and divide?
a) It transports enzymes.
b) It stores genetic information.
c) It controls materials that enter and exit the cell.
d) It supplies the cell with energy.

Which cell structure is responsible for supplying energy in both plant and animal cells?
a) chloroplast
b) nucleus
c) mitochondrion
d) ribosome

The cells of green plants are capable of producing relatively large amounts of oxygen and simple sugars. Which cell structure is necessary for most green plants to carry out these processes?
a) chloroplast
b) cell membrane
c) lysosome
d) nuclear membrane

What true statement can be made about all organisms?
a) RNA is the basic unit of all organisms.
b) All organisms have the same types of cells.
c) The cell is the basic unit of all organisms.
d) All organisms have the same number of cells.

Plants and other producers use sunlight for photosynthesis. What do plants make during photosynthesis?
a) sugars
b) water
c) protein
d) carbon dioxide

What pair of cell structures are found in plant cells, function in protecting the cell and making food, and are not found in animal cells?
a) cell membrane and ribosomes
b) cell wall and chloroplasts
c) mitochondria and a nucleus
d) flagella and Golgi bodies

What structure controls the flow of water into and out of the cell?
a) nucleus
b) cell membrane
c) cytoplasm
d) cell wall

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