Unit 3 Biology Exam

50 Questions | By Voisealgebra6 | Last updated: Mar 22, 2022 | Total Attempts: 1369

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This is an exam over chapter 3 and the class notes.

Questions and Answers

1.

What is a cell?
- A.
  
  Basic unit of Life
- B.
  
  Large Organism
- C.
  
  Bacteria
2.

What is part of the cell theory:
- A.
  
  Cells are the largest part of an organism
- B.
  
  There are no single celled organisms
- C.
  
  Cells come from other cells
3.

What is part of the cell theory:
- A.
  
  Every living thing is made up of cells
- B.
  
  Cells are small
- C.
  
  Cells help an organism to live
4.

What is part of the cell theory:
- A.
  
  Cells always work together
- B.
  
  In order to live, living things need billions of cells
- C.
  
  Cells are the basic unit of life
5.

What is the function of a hand?
- A.
  
  Pick things up
- B.
  
  Smell odors
- C.
  
  Taste things
6.

What does structure mean?
- A.
  
  How something lives
- B.
  
  What something looks like
- C.
  
  Its job
7.

Unicellular means that the organism is made up of many cells.
- A.
  
  True
- B.
  
  False
8.

Bacteria are unicellular.
- A.
  
  True
- B.
  
  False
9.

Multicellular means made up of many cells.
- A.
  
  True
- B.
  
  False
10.

Plants are unicellular.
- A.
  
  True
- B.
  
  False
11.

Surface Area is inside the shape.
- A.
  
  True
- B.
  
  False
12.

The Space and liquid inside a can of pop is called its...
- A.
  
  Density
- B.
  
  Volume
- C.
  
  Surface Area
13.

What hole-like features that cells have allow things to travel In/Out?
- A.
  
  Pores
- B.
  
  Pockets
- C.
  
  Pipes
14.

A Cell is the basic unit of life?
- A.
  
  True
- B.
  
  False
- C.
  
  Both
15.

Directions: Click all True statements about organelles:
- A.
  
  They are outside the cell
- B.
  
  They are inside the cell
- C.
  
  They help the cell function
- D.
  
  They are like "little organs"
- E.
  
  Only a few cells have them
- F.
  
  They are not important
16.

An example of an organelle would be:
- A.
  
  Brain
- B.
  
  Heart
- C.
  
  Cell Wall
17.

The word semi-permeable means to let everything into the cell
- A.
  
  True
- B.
  
  False
18.

Endocytosis is
- A.
  
  Materials not moving at all
- B.
  
  Materials moving into the cell
- C.
  
  Materials exiting the cell
19.

Exocytosis is
- A.
  
  Materials not moving at all
- B.
  
  Materials moving into the cell
- C.
  
  Materials exiting the cell
20.

What is the difference between diffusion and osmosis? (Click 2 boxes)
- A.
  
  There is no difference, they are the same
- B.
  
  Diffusion is moving materials over a membrane
- C.
  
  Diffusion makes things shake
- D.
  
  Osmosis is moving materials over a membrane
- E.
  
  Osmosis is water moving over a membrane
- F.
  
  Osmosis is when water evaporates
21.

Unicellular Specialization is when...
- A.
  
  1 cell performs all the functions of the organism
- B.
  
  1 cell does nothing
- C.
  
  Many cells work together
22.

Multicellular Specialization is
- A.
  
  When 1 cell controls everything
- B.
  
  When many cells attack each other
- C.
  
  Many cells work together at the same job
23.

The job of the Mitochondria is to:
- A.
  
  Power the cell
- B.
  
  Control the cell
- C.
  
  Clean the cell
24.

The job of the Lysosome is to:
- A.
  
  Power the cell
- B.
  
  Control the cell
- C.
  
  Clean the cell
25.

The job of the Nucleus is to:
- A.
  
  Power the cell
- B.
  
  Control the cell
- C.
  
  Clean the cell