Biology Chapter 1

What is the basic unit of life?

• Organism

• DNA

• Cell

• Tissue

Which of the following is a theme of biology?

• Gravity

• Quantum Mechanics

• Cell structure and function

• Photosynthesis

What is homeostasis?

• A scientific method

• A type of cell

• A form of reproduction

• A biological balance

Which of the following affects human homeostasis?

• Photosynthesis

• Magnetism

• Sleep/routine

• Gravity

What is the process by which cells break down food molecules to release energy?

• Respiration

• Photosynthesis

• Fermentation

• Digestion

What is the role of the control variable in an experiment?

• To be manipulated

• To remain unchanged

• To be the main focus

• To be the hypothesis

What is the magnification of a high power objective lens on a compound light microscope?

• 100X

• 4X

• 40X

• 10X

What is the function of the course adjustment knob on a microscope?

• To change the light intensity

• To adjust the eyepiece

• To rotate the nosepiece

• To move the stage up and down

What is the process called when developing cells transform into specialized cells?

• Homeostasis

• Evolution

• Differentiation

• Reproduction

What is the main purpose of the scientific method?

• To create new species

• To study ancient history

• To systematically investigate phenomena

• To design new technology