Botany Unit 2 Review

What is the most basic unit of life?

• cell
• tissue
• organ
• organ system

The combination of chemical reactions through

which an organism builds up or breaks down

materials as it carries out its life processes is called ...

• absorption

• metabolism

• digestion

• consumption

Green plants produce their own food through the process of photosynthesis. Which characteristic of life does this represent?

• metabolism

• made of cells

• movement

• reproduct

Which of the following are methods of plant reproduction? Choose all correct answers.

• vegetative propagation

• assimilation

• binary fission

• pollination

• mitosis

A worm turns away from light is an example of a worm

• reproducing
• doing cellular respiration
• having cells
• responding to its environment

Particles in an atom that are neutral and have no charge are 

• negatrons 
• electrons 
• neutrons 
• protons 

The positive particles of an atom are 

• electrons 
• positrons 
• neutrons 
• protons 

What is the atomic number?

• the number of protons
• the number of protons and neutrons
• the number of neutrons
• the number of protons and electrons

What is the atomic number for an element with 12 protons, 13 neutrons, and 12 electrons?

• 2

• 12

• 25

• 6

What is the mass number for an element with 12 protons, 13 neutrons, and 12 electrons?

• 2

• 12

• 25

• 6