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Fundamental unit of life.

Total questions: 10

Worksheet time: 34mins

Name
Class
Date
1.

First living cells were observed by

a)

Robert hooke

b)

Robert Brown

c)

A. V. Leeuwenhoek

d)

R. Virchow

2.
a rigid supporting layer that surrounds the cells of plants and some other organisms
a)
cell membrane
b)
cell wall
c)
 nucleus
d)
cytoplasm
3.
What is another term for "selectively permeable"?
a)
porous
b)
completely permeable
c)
permanent
d)
semipermeable
4.

Define plasma membrane

a)

lipid that helps minimize effects of temperature

b)

only on the outer surface of the plasma membrane and are attached to proteins or lipids; form distinctive cellular markers

c)

flexible boundary of a cell that separates a cell from its surroundings

d)

may extend partway into the plasma membrane, cross the membrane entirely, or be loosely attached to its inside or outside face

5.

The cell membrane is _______________ permeable.

a)

selectively

b)

somewhat

c)

physically

d)

ionically

6.

I decide what goes in and out of the cell. I am fluid like and found in BOTH plant and animal cells. I am a...

a)

Cell Wall

b)

Cell Membrane

c)

Cytoplasm

d)

Golgi Apparatus

7.

I am the "waste removal expert" within a cell, removing unwanted material. Like a garbage man, I am a...

a)

Waste Management

b)

Nucleus

c)

Ribosome

d)

Lysosomes

8.

The image shows a

a)

plant cell

b)

animal cell

c)

mitosis process

9.

Select the organelle that release energy

a)

mitochondria

b)

nucleus

c)

vacuole

d)

cytoplasm

10.

Select the three parts of the cell theory

a)

Cells are the building blocks of life

b)

Scientists worked hard to discover the cell

c)

All life processes take place in cells.

d)

New cells are produced from existing cells