Biology and Cell Theory Quiz

Which of these features is required for an organism to be considered alive by most modern biologists?

• Ability to photosynthesize

• Ability to maintain homeostasis

• Presence of a nucleus

• Motility (ability to move)

Robert Hooke’s contribution to cell biology was to:

• Propose that “all cells come from cells.”

• Coin the term “cell” after observing cork under a microscope.

• Prove that all animals are made of cells.

• Discover mitochondria.

Which scientist(s) helped demonstrate that both plant and animal tissues are composed of cells, leading to cell theory?

• Schleiden and Schwann

• Hooke and Pasteur

• Watson and Crick

• Mendel and Darwin

In a multicellular animal, which level of organization is directly above “tissue”?

• Cell

• Organ

• Molecule

• Ecosystem

Rudolf Virchow is most associated with which statement in cell theory?

• Cells contain hereditary material.

• Cells arise only from preexisting cells (Omnis cellula e cellula).

• Cells are compartments of dead material.

• All organisms are multicellular.

According to modern cell theory and textbooks, which statement is true?

• Cells are optional for life processes.

• All known living things are made up of one or more cells.

• Cells can spontaneously appear from nothing.

• Multicellular organisms are not composed of cells.

Which criterion best distinguishes living organisms from most non-living things?

• Having color

• Being composed of one or more cells

• Solid state at room temperature

• Containing oxygen

Which example best shows cells organized into tissue → organ → organ system?

• Neuron → brain → nervous system

• Alveolus → lung → digestive system

• Erythrocyte → heart → endocrine system

• Chloroplast → leaf → skeletal system

Which statement about single-celled versus multicellular organization is correct?

• Single-celled organisms cannot carry out all life functions.

• Multicellular organisms always have fewer specialized cell types than unicellular organisms.

• Multicellular organisms show division of labor: different cell types perform specialized tasks.

• All multicellular organisms have exactly three tissue types.

Which is an accurate example of how tissues combine to form organs?

• Nervous tissue + connective tissue → heart (organ)

• Muscle tissue + connective tissue + epithelial tissue → stomach (organ)

• Epithelial tissue + leaf → mitochondrion

• Bone tissue + neuron → lung