Biology Practice Test 2

Which one characteristic below would cause scientists to determine that an unknown object is living as opposed to nonliving?

• The observation of movement

• The presence of one or more cells

• The presence of organic macromolecules, such as carbohydrates, lipids, proteins, or nucleic acids

• The ability of the object to use energy

Who discovered and named cells?

• Captain Hook

• Robert Hooke

• Zacharias Janssen

• Rudolf Virchow

Which of the following characteristics of living things best explains why birds fly south for the winter?

• Living things respond to their environment.
• Living things maintain internal balance.
• Living things are made up of units called cells.
• Living things are based on a universal genetic code.

Phototropic flowers grow toward the Sun. Which characteristic of life do phototrophic flowers demonstrate?

• ability to reproduce
• ability to maintain homeostasis
• ability to respond to stimuli
• ability to pass traits to offspring

Which TWO scientists' contributed to the cell theory: "all living things are made of cells"?

• Schleiden
• Leeuwenhoek
• Hooke
• Virchow
• Schwann

Place the levels of biological organization in the proper order, from least to most complex.

• organism, tissue, organ, organ system, cell
• cell, tissue, organism, organ system, organ
• cell, tissue, organ, organ system, organism
• organism, organ system, organ, tissue, cell

The lungs are composed of four types of tissues. Which phrase best describes the lungs?

• a specialized cell
• an organ
• an organ system
• an organism

The stomach, small intestines, and large intestine are all organs.  When they work together to process food, they form a functional unit known as _____

• an organism
• an organ system
• a tissue
• a cell

Blood, made up of red blood cells and white blood cells, work together to form which level of organization?

• a cell
• a tissue
• an organ
• an organ system

What do viruses have in common with your body's cells?

• Their genetic material is surrounded by a nucleus
• They contain many complex organelles
• They contain DNA or RNA
• They are surrounded by capsids