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peering into the invisible world, importance of cells

Total questions: 69

Worksheet time: 54mins

Name
Class
Date
1.

Prokaryotes are also known as...

a)

Smelly

b)

Bacteria

c)

Viruses

d)

Germs

2.

What is considered multicellular?

a)

Animals

b)

Bacteria

c)

Plants

d)

All of the above

3.

There are _________ basic types of cells

a)

Two

b)

Three

c)

Four

4.

This organism is a _________________

a)

Prokaryote

b)

Eukaryote

c)

Yeast

d)

Amoeba

5.

Something that was not alive, was never alive, and will never be alive is called ____.

a)

biotic

b)

dead

c)

living

d)

non-living

6.

Which one is not a part of the cell theory?

a)

All living things are made of one or more cells

b)

The cell is the building block of life

c)

Cells come from pre-existing cells

d)

Plants are the only things made of cells

7.

Who came up with the term "cell"?

a)

Robert Hooke

b)

Charles Darwin

c)

Gregor Mendel

d)

Anton Van Leeuwenhoek

8.

An organism with more than one cell is known as a/an

a)

organ system

b)

multicellular organism

c)

unicellular organism

9.

When an organism has many organs working together for the same purpose, they form a/an

a)

tissue

b)

organ

c)

organ system

d)

multicellular organism

10.

Which level of organization is missing?


  1. organism
  2. organ system
  3. organs
  4. __________
  5. cell
  6. organelle
a)

tissue

b)

prokaryotic

c)

multicellular

d)

eukaryotic

11.

What is a tissue

a)

Groups of similar types of cells that work together to carry out a specific task

b)

The smallest unit of life

c)

Groups of different tissues working together to perform a particular job

d)

Groups of different organs working together to complete a series of tasks

12.
a structure made up of different tissues working together
a)
organ
b)
cell
c)
tissue
d)
organelle
13.

The widely accepted explanation of the relationship between cells and living things is known as:

a)

cell formation

b)

cell theory

c)

biology

d)

cell function

14.
Who are the three scientists credited with creating the Cell Theory?
a)
Schlieden, Schwann, Virchow
b)
Schindler, Schmeil, Vanderhoot
c)
Schwimmer, Shanazzek, Van Halen
15.
A rigid layer that lies outside the cell's  membrane is...
a)
Cytoskeleton
b)
Cilia
c)
Cell Wall
d)
Flagella
16.
What is the name of the genetic material that is inside the nucleus?
a)
ER
b)
ATP
c)
YOLO
d)
DNA
17.

There are ______parts to the Cell Theory.

a)

3

b)

2

c)

5

d)

6

18.

What is one way in which all living things on Earth are alike?

a)

All living things have hair.

b)

All living things are made of cells.

c)

The cells of all living things have chloroplast.

d)

All living things can move.

19.
When observing cells, which of the following pieces of equipment is most appropriate?
a)
Hand lens
b)
Telescope
c)
Petri dish
d)
Microscope
20.

________________ have the ability to conduct photosynthesis.

a)

fungi

b)

bacteria

c)

virus

d)

algae

21.
Which is a true statement?
a)
All microorganisms are harmful.
b)
All microorganisms are beneficial.
c)
Some microorganisms are harmful while others are beneficial.
d)
Microorganisms are beneficial only to humans.
22.

Covid-19 can be grouped into which type of microorganisms?

a)

Algae

b)

Bacteria

c)

Protozoa

d)

Virus

23.

What type of an organism is a mushroom

a)

Bacteria

b)

Fungus

c)

Virus

d)

None of the above

24.

Organisms that cannot be seen with naked eyes are?

a)

Micrones

b)

Worm

c)

Microbials

d)

Microorganisms

25.

The smallest microorganism that invades and then reproduces inside a living cell.

a)
Bacteria
b)
Virus
c)
Protist
d)
Fungi
26.

A bacteria responsible for curdling of milk is:

a)

Lactobacillus

b)

Rhizobium

c)

Oscillatoria

d)

Plasmodium

27.

Bacteria is known as__________________ in an ecosystem when feeding on dead organisms.

a)

Decomposers

b)

Herbivore

c)

Pathogens

d)

Infections

28.

Penicillium is a

a)

Algae

b)

Fungus

c)

Bacteria

d)

Yeast

29.

Malaria is caused by

a)

Protozoa

b)

Virus

c)

Algae

d)

Bacteria

30.

Amoeba belongs to

a)

Algae

b)

Fungi

c)

Virus

d)

Protozoa

31.
Acellular is a way to describe the following:
a)
Bacteria
b)
Protist
c)
Fungi 
d)
Virus
32.
Microorganisms can be found:
a)
The the ocean, inside and outside your body
b)
On plants and animals
c)
In medicine and your food
d)
All of the above
33.
Why are bacteria necessary to life?
a)
used in nitrogen fixation
b)
they are decomposers
c)
they help human digestion
d)
all of these
34.
All viruses contain this.
a)
nucleus and DNA or RNA
b)
DNA or RNA and protein coat
c)
protein coat and nucleus
d)
cell wall and DNA or RNA
35.
This microorganism is shaped like a slipper
a)
Amoeba
b)
Paramecium
c)
Euglena
d)
Volvox
36.

The group of microorganism which help converting milk into curd is _________________

a)

virus

b)

bacteria

c)

protozoa

d)

algae

37.

Yeast, mold, and mushrooms are part of which category of microorganisms?

a)

Bacteria

b)

Viruses

c)

Fungi

d)

Protists

38.
The smallest microorganism on earth is known as  _____________
a)
a virus
b)
bacteria
c)
algae
d)
fungi
39.

Which statement is NOT true?

a)

Microorganisms help dead things decay.

b)

Microorganisms only live in soil.

c)

Microorganisms cause disease.

d)

Microorganisms are used to make cheese.

40.
How do bacterium reproduce?
a)
binary fission
b)
sexually by the lytic cycle
c)
releasing spores
d)
through mitosis
41.
All bacteria are
a)
unicellular
b)
multicellular
c)
eukaryotic
42.
All living things are made up of...
a)
cells
b)
cell tissues
c)
organ
d)
organ systems
43.
All cells come from___________ cells.
a)
pregnant
b)
pre-existing
c)
paternal
d)
pin size
44.
Rocks are not living because
a)
they never move
b)
they aren't needed for humans
c)
they are not made of cells
d)
they don't break down
45.
what is a cell classified as?
a)
a basic unit of structure and function of all living organisms
b)
a unit based on only plants and animals that are living
46.
Who looked at cork and named the cell?
a)
Robert Hooke
b)
Van Leeuwenhoek
c)
Robert Brown
d)
Francesco Redi
47.
Which scientist did NOT contribute to the cell theory?
a)
Anton Van Leeuwenhoek
b)

Robert Hooke
c)
Albert Einstein 
d)

Matthias Schleiden
48.
Cells are often called "the ____ of life."
a)
bread
b)
road map
c)
building blocks
d)
meaning
49.
A plant and an animal are both living things. According to the Cell Theory, what can you conclude about these two very different organisms?
a)
Plants have cells but animals do not.
b)
They are both made of one or more cells. 
c)
They both come from the same kind of cell.
d)
They both come from a non-living organism.
50.

  There are three parts to the cell theory. Which is NOT one of those parts?

a)

All organisms are composed of one or more cells.

b)

The cell is the basic unit of structure and organization in organisms.

c)

Cells spontaneously arise from carbon and nutrients carried in the bloodstream.

d)

All cells come from pre-existing cells.

51.

What is NOT part of the modern cell theory?

a)

all cells contain a nucleus 

b)

metabolism (processing energy) occurs in cells

c)

genetic (hereditary) info is passed from one cell to another

d)

all cells have the same basic composition (a cell membrane, cytoplasm, cytoskeleton, ribosomes, etc).

52.

Cells come from______.

a)

other preexisting cells

b)

cytoplasm

c)

organelles

d)

prokaryotes

53.

The cell theory states that_________

a)

cells come from cells

b)

all organisms are made of cells

c)

cells are the basic unit of structure and function for life

d)

all of the above

54.

________ is the scientist who saw small chambers when looking at cork, and named them “cells”.

a)

Newton

b)

Hooke

c)

Carson

d)

Manning

55.

The cell theory is a result of the work of one very important scientist name Hooke.

a)

True

b)

False

56.

Regardless of type, all cells

a)

have a cell membrane

b)

have cytoplasm

c)

Have DNA

d)

all of the above

57.

What type of cell lacks a nucleus?

a)

eukaryotic

b)

prokaryotic

c)

human

d)

animal

58.

A cell in which the genetic material is enclosed within a nucleus is a

a)

eukaryotic cell

b)

prokaryotic cell

c)

human cell

d)

animal cell

59.

Single celled organisms are called

a)

unicellular

b)

multicellular

c)

bicellular

d)

tricellular

60.

Which of the following statements is part of the cell theory?

a)

All living things are made up of one or more cells.

b)

Cells are the basic units of living things.

c)

All cells come from pre-existing cells.

d)

All of these

61.

"Small organs" of the cell that carry out specific functions

a)

Organelles

b)

Organs

c)

Cell Wall

d)

Cell

62.

The protective layer around all cells, allows nutrients in and waste out is called the…

a)

Cell Wall

b)

Cell Membrane

c)

Endoplasmic Reticulum

d)

Ribosomes

63.

These make proteins in the cell.

a)

Ribosomes

b)

Nucleus

c)

Vacuole

d)

Golgi Body

64.

Gel-like material, where organelles are located

a)

Cytoplasm

b)

Nucleus

c)

Vacuole

d)

Mitochondria

65.
Who are the three scientists credited with creating the Cell Theory?
a)
Schlieden, Schwann, Virchow
b)
Schindler, Schmeil, Vanderhoot
c)
Schwimmer, Shanazzek, Van Halen
66.
Which of the following scientists concluded that all animals are made of cells?
a)
Rudolf Virchow
b)
Matthais Schleiden
c)
Robert Hooke
d)
Theodor Schwann
67.
Which of the following scientists was the first to observe bacteria?
a)
Anton van Leuwenhoek
b)
Matthais Schleiden
c)
Robert Hooke
d)
Theodor Schwann
68.

What was Schleiden convinced of?

a)

All plants are made of cells

b)

All animals are made of cells

c)

All cells are prokaryotic

d)

None of the above

69.

Who discovered that all cells come from other living cells and had research that lead to the last major principle of cell theory?

a)

Matthias Schleiden

b)

Theodore Schwann

c)

Robert Hooke

d)

Rudolf Virchow

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