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Worksheets

Introduction to Cells

Total questions: 47

Worksheet time: 16mins

Name
Class
Date
1.

Identify the cell organelle labeled A in the picture.

a)

rough endoplasmic reticulum

b)

smooth endoplasmic reticulum

c)

golgi body

2.

Identify the cell organelle labeled B in the picture.

a)

vacuole

b)

lysosome

c)

ribosome

3.

Identify the cell organelle labeled C in the picture.

a)

centrioles

b)

mitochondria

c)

golgi body

4.

Identify the cell organelle labeled D in the picture.

a)

chloroplast

b)

mitochondria

c)

golgi body

5.

Identify the cell organelle labeled E in the picture.

a)

cytoplasm

b)

lysosome

c)

ribosome

6.

Identify the cell organelle labeled J in the picture.

a)

nucleus

b)

nuclear membrane

c)

nucleolous

7.

Identify the cell organelle labeled G in the picture.

a)

smooth endoplasmic reticulum

b)

golgi body

c)

chloroplast

8.

Identify the cell organelle labeled H in the picture.

a)

smooth endoplasmic reticulum

b)

rough endoplasmic reticulum

c)

nucleus

9.

Identify the cell organelle labeled I in the picture.

a)

mitochondria

b)

lysosome

c)

vacuole

10.

Identify the cell organelle labeled L in the picture.

a)

Nucleus

b)

Nucleolus

c)

Chromatin

11.

Identify the cell organelle labeled M in the picture.

a)

ribosome

b)

Mitochondria

c)

Cytoplasm

12.

Identify the cell organelle labeled N in the picture.

a)

Cell Wall

b)

Cell Membrane

c)

Cytoplasm

13.

Is the cell shown in the picture a plant cell or an animal cell?

a)

Plant Cell

b)

Animal Cell

14.

Identify the structure labeled L in the picture.

a)

cell membrane

b)

cell wall

c)

cell wall of a neighboring cell

15.

Identify the structure labeled M in the picture.

a)

cell membrane

b)

cell wall

c)

cell wall of a neighboring cell

16.

Identify the structure labeled K in the picture.

a)

cell membrane

b)

cell wall

c)

cell wall of a neighboring cell

17.

Identify the structure labeled I in the picture.

a)

Vacuole

b)

Chloroplast

c)

mitochondria

18.

Identify the structure labeled G in the picture.

a)

Mitochondria

b)

Chloroplast

c)

Golgi Body

19.

Is the cell in the picture a plant cell or an animal cell?

a)

Plant Cell

b)

Animal Cell

20.

This German zoologist concluded that all animal tissues were composed of

cells.

a)

Schleiden

b)

Schwann

c)

Virchow

21.

This German botanist concluded that all plant tissues were composed of cells.

a)

Schleiden

b)

Schwann

c)

Virchow

22.

This scientist noted that living cells can arise only from pre-existing living cells.

a)

Schleiden

b)

Schwann

c)

Virchow

23.

Who was the first to observe microorganisms using his “simple” microscopes?

a)

Leeuwenhoek

b)

Hooke

c)

Virchow

24.

Who first looked at cork cells under a microscope and called the little boxes that he observed “cells”?

a)

Leeuwenhoek

b)

Hooke

c)

Virchow

25.

The smallest unit that can carry out all the processes of life.

a)

organelle

b)

cell

c)

atom

26.

The part of the cell that controls all of the cell's activities.

a)

mitochondria

b)

nucleus

c)

golgi body

27.

The portion of the cell within the cell membrane that includes the fluid and all the organelles except the nucleus.

a)

cell membrane

b)

vacuole

c)

cytoplasm

28.

The site of cellular respiration.

a)

cytoplasm

b)

mitochondria

c)

smooth endoplasmic reticulum

29.

These structures may be found floating freely in the cytoplasm or attached to the endoplasmic reticulum.

a)

ribosomes

b)

microtubules

c)

chlorophyll

30.

This organelle contains strong digestive enzymes that are used to break down large molecules into simpler substances.

a)

ribosome

b)

golgi body

c)

lysosome

31.

The site in a cell where the assembly of proteins begins.

a)

ribosome

b)

lysosome

c)

nucleus

32.

This cell organelle modifies, sorts, and packages the proteins that are to be released from the cell.

a)

Chloroplast

b)

Golgi Body

c)

Centrioles

33.

A storage area for food and water.

a)

cytoplasm

b)

nucleus

c)

vacuole

34.

This organelle breaks down glucose and other food molecules and stores the energy in a form the cell can use (ATP).

a)

mitochondria

b)

chloroplast

c)

lysosome

35.

These two short cylinders found near the nucleus help to organize microtubules during cell division.

a)

centrioles

b)

golgi body

c)

ribosomes

36.

This part of the cell functions primarily as an “intracellular highway” along which molecules can move from one cell part to another.

a)

nucleus

b)

endoplasmic reticulum

c)

cytoplasm

37.

The site of photosynthesis in a plant cell.

a)

Chlorophyll

b)

Chloroplast

c)

Mitochondria

38.

Part of the cell that contains the green pigment chlorophyll.

a)

cytoplasm

b)

chloroplast

c)

golgi body

39.

Rigid structure that provides strength, support, and protection to a plant cell.

a)

cell membrane

b)

cell wall

c)

nuclear envelope

40.

Term that is used to describe organisms composed of only one cell.

a)

unicellular

b)

multicellular

41.

Which is the correct order of cellular organization?

a)

cell, tissue, organ system, organ, organism

b)

cell, organ, tissue, organ system, organism

c)

cell, tissue, organ, organ system, organism

42.

Which of the following structures are only found in plant cells?

a)

cell wall

b)

cell membrane

c)

chloroplast

d)

cytoplasm

43.

Which term refers to the diffusion of water molecules through a selectively permeable membrane?

a)

osmosis

b)

engulfing

c)

active transport

d)

facilitated transport

44.

Enzymes are important because they

a)

contain water.

b)

speed up chemical reactions.

c)

contain genetic material.

d)

help the cell maintain its shape.

45.

What is the function of a cell wall?

a)

to protect and support the cell

b)

to perform different functions in each cell

c)

to prevent water from passing through it

d)

to prevent oxygen from entering the cell

46.

Sugar molecules can combine with one another to form large molecules called

a)

proteins.

b)

starches.

c)

enzymes.

d)

lipids.

47.

In passive transport, materials move from an area of higher concentration to an area of lower concentration through a cell membrane.

a)

True

b)

False