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Origins of Cells

Total questions: 23

Worksheet time: 23mins

Name
Class
Date
1.

Which scientist disproved the idea of spontaneous generation once and for all by using a specifically designed swan-necked flask to heat broth?

a)

Spallanzani

b)

Pasteur

c)

Redi

d)

Needham

2.

Which of the following is the natural law that states that living organisms come only from other living organisms and are not created from nonliving materials?

a)

evolution

b)

oxidation

c)

biogenesis

d)

abiogenesis

3.

Which scientists successfully performed experiments to create amino acids from the chemicals they believed made up the early atmosphere? (Select all that apply)

a)

Stanley Miller

b)

Sidney Fox

c)

Harold Urey

d)

J.B.S. Haldane

e)

Alexander Oparin

4.

According to most scientists, which of the following is NOT a characteristic of the first cell(s)

a)

aerobic

b)

prokaryotic

c)

anaerobic

d)

heterotrophic

5.

According to the theory of endosymbiosis, how did cells acquire mitochondria?

a)

A eukaryotic cell engulfed a virus

b)

A large aerobic cell engulfed a chloroplast

c)

A large anaerobic cell engulfed a small aerobic bacterium

d)

A large anaerobic cell engulfed a photosynthetic bacterium

6.

According to theory of endosymbiosis, how did plant cells evolve

a)

An anaerobic cell engulfed a chloroplast

b)

An aerobic, eukaryotic cell engulfed a photosynthetic bacterium

c)

An anaerobic cell engulfed a small aerobic bacterium

d)

A large anaerobic cell engulfed a photosynthetic bacterium

7.

How are mitochondria and chloroplasts like bacteria cells?

a)

They divide by meiosis

b)

They can make their own food

c)

They have the same membrane-bound organelles

d)

They contain their own DNA

8.

What was formed in the Miller-Urey experiments?

a)

amino acids

b)

proteins

c)

living cells

d)

DNA

9.
This experiment was conducted by the scientists:
a)
Stanley Miller and Harold Urey
b)
Harold Urey and Albert Einstein
c)
Louis Pasteur and Francesco Redi
d)
James Watson and Francis Crick
10.
Which question were the scientists trying to answer with this experiment?
a)
Where do cells come from?
b)
How did prokaryotes form cell membranes?
c)
How are biomolecules formed?
d)
What gave rise to the Eukaryotic cell?
11.
The apparatus in the experiment was used to mimic what?
a)
Proteins
b)
Present Earth conditions
c)
Early Earth conditions
d)
Nucleic acids (DNA/RNA)
12.
The electrical sparks mimicked?
a)
The Sun's energy
b)
Lightning
c)
Volcanic eruptions
d)
Cosmic radiation
13.
Which type of cell came first?
a)
Eukaryotic
b)
Prokaryotic
c)
Plant
d)
Both Eukaryotic and Prokaryotic cells evolved around the same time
14.
The idea that Earth's early oceans had organic molecules that became the first life is called the...
a)
Primordial soup hypothesis
b)
Bubble hypothesis
c)
Miller-Urey Experiment
d)
Radioactive dating theory
15.
RNA World Theory states that ...
a)
Life came from RNA
b)
Life came from life
c)
Life came from non living things
d)
Life came from outer space
16.
The Miller-Urey experiment of 1953 was designed to test the hypothesis that lightning supplied the energy needed to turn atmospheric gases into organic molecules such as amino acids. Which of the following describes why the Miller-Urey theory is widely accepted today? 
a)
Amino acids spontaneously form from molecules in the atmosphere today
b)
 Organic molecules are present today in extremely high concentrations
c)
The process of synthesizing organic molecules from a mixture of gases has been successfully modeled in the laboratory
d)
No other alternative hypotheses have been introduced
17.
"Endosymbiosis" means
a)
Living together
b)
Living inside
c)
Entering together
d)
Joining together
18.
The theory of Endosymbiosis explains
a)
The origin of eukaryotes
b)
How species develop
c)
How bacteria live
d)
Why cells rely on one another
19.
All of the following are evidence of endosymbiosis EXCEPT
a)
mitochondria and chloroplast ribosomes are similar to bacterial ribosomes
b)
mitochondria and chloroplast are similar in size to bacteria
c)
mitochondria and chloroplast have double membranes
d)
mitochondria and chloroplast have a nucleus
20.
In this diagram, the endosymbiont is
a)
blue
b)
green
c)
purple
21.

What is the accepted theory of how organelles such as ER and Golgi came about?

a)

They were products of endosymbiosis

b)

They were due to spontaneous generation

c)

They evolved from the infolding of the cell membrane

d)

They were formed from proteins coded for by DNA found in mitochondria

22.

Spontaneous generation is the theory that....

a)

frogs wearing pants cannot reproduce

b)

life comes from non-living objects

c)

swan-neck flasks are needed for mold to grow

d)

anyone can be a scientist

23.

What provides evidence for the endosymbiotic theory?

a)

Mitochondrial DNA in eukaryotic cell

b)

70s ribosome in prokaryotic cells

c)

Gene transfer from prokaryotic cells to eukaryotic cells using plasmids

d)

Prokaryotic cells in the large intestine digest proteins