Cell Theory Question Preview (ID: 47833)
Cell Theory.
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Produced the first compound microscope -
a) Robert Hooke
b) Anton van Leeuwenhoek
c) Zacharias and Hans Janssen
d) Schleiden
Discovered the existence of cells by looking at cork under a microscope-
a) Anton van Leeuwenhoek
b) Robert Hooke
c) Schleiden
d) Schwann
Observed living cells-
a) Anton van Leeuwenhoek
b) Schwann
c) Remak
d) Schleiden
Discovered plants are made of cells-
a) Hooke
b) Schwann
c) Schleiden
d) Zacharias and Hans Janssen
Cells are the building blocks of life, yet atoms and molecules are smaller than cells. Why are cells, not atoms, the basic building blocks of life?
a) The larger the living thing, the larger its cells.
b) Its cells must be able to make their own food.
c) Cells must be present for life to exist. Atoms and molecules are smaller than cells.
d) Some of its cells must include a cell wall.
All living organisms are composed of cells, cells are the basic unit of structure and function in living things, cell arise from pre-existing cells is -
a) Cell theory
b) 3 parts of the cell theory
c) Multicellular
d) Unicellular
The definition of Cell Theory is-
a) The smallest unit of an organism; it is enclosed by a membrane and performs life functions.
b) A theory that the cell is the relationship of the fundamental structural and functional unit of living matter
c) An individual form of life that is capable of growing, taking in nutrients, and usually reproducing (organ systems working to
d) Mass of similar cells that perform a specialized function.
The cell theory was formulated only after the invention of the microscope. To which aspect of the cell theory did the microscope first contribute?
a) All organisms are composed of cells.
b) All cells perform similar functions.
c) New cells arise from preexisting cells.
d) Only plant cells contain a cell wall.
Many scientists, including Matthias Schleiden and Theodor Schwann, contributed to the cell theory. Which of the following is NOT one of the basic components of the cell theory?
a) Cells are the basic units of organisms.
b) All living things are composed of cells.
c) Cells can arise only from other cells.
d) All cells must eventually die.
What sort of evidence must be gathered to support the idea that all living things are composed of cells?
a) Comparisons should be made between nonliving things and living things to determine any similarities in their structure.
b) Samples of many kinds of living things should be examined under a microscope to identify the presence of cells.
c) The functions of cells from many different living things should be monitored to see if they are identical.
d) Nonliving things should be examined to verify that the smaller parts of which they are composed are not cells.
Which statement about the cell theory is correct?
a) New cells form from old cells that have died.
b) Cell organelles are the smallest units of life.
c) All cells have the same internal structures.
d) All living things are made up of cells.
The cell theory holds true for multicellular and unicellular organisms. Which of the following is NOT true of the cell theory?
a) Organisms are made up of one or more cells.
b) The cell is the basic structural unit of all organisms.
c) All cells are considered to be nonliving.
d) D An organism may consist of one single cell.
An amoeba is a one-celled organism. Which of the statements about amoebas is supported by the cell theory? An amoeba–
a) has a globular, undefined size and shape.
b) moves slowly using a pseudopod.
c) contains organelles called chloroplasts.
d) must obtain energy and releases waste.
A new species of living thing is discovered. The cell theory states that which of the following must be true about this new living thing?
a) It must be made up of one or more cells.
b) Its cells must be able to make their own food.
c) All its cells must perform the same function.
d) Some of its cells must include a cell wall.
Which of the following best describes the relationship between cells and living things in general?
a) The larger the living thing, the larger its cells.
b) All living things are made up of one or more cells.
c) The number of cells in all living things is the same.
d) There is one kind of cell of which all living things are made.
Discovered animals are made of cells-
a) Robert Remark
b) Matthias Schleiden
c) Theodor Schwann
d) Robert Hooke
Discovered cells come from preexisting cells-
a) Leeuwenhoek
b) Schwann
c) Hooke
d) Remak
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