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Biology Unit 1 -AHHHHH Bald

Total questions: 75

Worksheet time: 1hrs 11mins

Name
Class
Date
1.

Organs are composed of tissues, which are composed of cells. This is an example of which characteristic of life?

a)

Living things grow and develop.

b)

Living things maintain themselves by homeostasis. 

c)

Living things respond to stimuli.

d)

Living things have levels of hierarchical organization

2.

The smallest unit that has all of the characteristics of life is the:

a)

Cell

b)

tissue

c)

organ

d)

organism

3.

A fossil was once a living organism but its tissues have now been replaced by minerals and it no longer exhibits

most properties of life, except for:

a)

homeostasis

b)

organization

c)

growth and reproduction

d)

respond to stimuli

4.

Outside, the non-living world is unorganized and chaotic while inside the cell or organism there is a relatively

constant environment; maintaining this environment is a process of:

a)

thermodynamics

b)

metabolism

c)

homeostasis

d)

behavior

5.

Which of the following is an example of an organism maintaining homeostasis??

a)

A plant using the openings on its leaves, stomata, to exchange gases and evaporate water to allow more water to get into the plant

b)

A Runner perspiring while running on a hot summer day

c)

The human body releasing insulin to keep blood sugar steady

d)

The maintain ace of a body temperature around 98.6 degrees F

e)

All of the above

6.

Why do the shared electrons in the water molecule like to spend more time with Oxygen?? (this causes a polar covalent bond)

a)

•A- Hydrogen has more protons than oxygen

b)

•B- Oxygen has more protons than hydrogen

c)

•C- Oxygen and Hydrogen have equal amounts of protons

d)

•D- True Love

7.

Why is the water molecule polar??

a)

The electrons spend more time around Hydrogen

b)

The electrons spend more time around Oxygen

c)

The water molecule has ionic bonds

d)

The water molecule has no polarity

8.

The identity of an atom is based on...

a)

the number of electrons it has

b)

the number of protons it has

c)

the number of neutrons it has

d)

the number of shells it has

9.

which kind of bond occurs when atoms transfer electrons and as a result are oppositely charged and bonded together?

a)

ionic

b)

covalent

c)

hydrogen

d)

polar covalent

10.

which statement best explains why a new scientific investigation would be performed to test a theory that is already accepted?

a)

discovery of new evidence

b)

loss of funding for new theories

c)

lack of availability of new theories

d)

public pressure and demand for change

11.

trees use narrow tubes to transport water upward. which property of water does this involve?

a)

high specific heat

b)

net charge of molecule

c)

cohesion and adhesion of molecules

d)

desity of molecules

12.

which of the following statements concerning scientific hypotheses is false?

a)

they must be testable by experimentation

b)

they are not always correct

c)

they are the same as theories

d)

they are constructed based on observations

13.

water is the universal....

a)

solute

b)

solvent

14.

when a person does alot of exercise, blood vessels near the surface of the skin increase in diameter to allow blood to be nearer to the surface and help cool the body. this best illustrates...

a)

synthesis

b)

homeostasis

c)

excretion

d)

locomotion

15.

Water has a special density because it's solid form is...

a)

less dense than its liquid form

b)

more dense than its liquid form

c)

the most dense substance on Earth

d)

the same density as its liquid form

16.

Which of the following list these levels in the correct order of organization from the simplest to the most complex?

a)

biomolecule, organelle, Organisms, organ systems, organs, tissues, cells

b)

biomolecule, Tissues, organelle, cells, organs, organisms, organ systems

c)

biomolecule, organelle, Cells, tissues, organs, organ systems, organisms

d)

Organs, organ systems, organelle, organisms, cells, tissues, biomolecule

17.
What do viruses need to reproduce?
a)
they need genetic material
b)
They need a host cell
c)
They need  bacteria
d)
They need insulin
18.
How could you describe the size of a virus?
a)
Smaller than bacteria
b)
Larger than a parasite
c)
About the size of a dime
d)
Smaller than a proton
19.
What do viruses have in common with living cells? They both...
a)
store genetic information
b)
have chloroplasts
c)
use glucose for cellular respiration
d)
have endoplasmic reticulum
20.

Reasons that viruses are considered to be nonliving is because

a)

They are not contain cellular organelles

b)

They cannot reproduce on their own

c)

They cannot metabolize/ use energy

d)

all of the above

21.
Oldest type of cell
a)
Prokaryote
b)
Eukaryote
c)
both
22.

Which best describes the basic structure of a virus?

a)

genetic material strand surrounded by a protein coat

b)

a tail surrounded by a protein coat

c)

a tail surrounded by a carbohydrate coat

d)

nucleic acid strand surrounded by a carbohydrate coat

23.

What is the purpose of surface proteins on a virus?

a)

replication of the virus

b)

attachment to a host cell

c)

protection of DNA

d)

movement

24.

Prokaryotic cells do not have.....

a)

membrane bound organelles

b)

cell membrane

c)

DNA or RNA

d)

life

25.

You can distinguish a prokaryote apart from a eukaryote by--

a)

The presence of a ribosome

b)

The presence of a cell membrane

c)

The presence of DNA

d)

The presence of a nuclear membrane

26.
multicellular
a)
Prokaryote
b)
Eukaryote
c)
both
27.

Looking at the chart above, which molecule stores the most energy?

a)

Protein

b)

Carbohydrate

c)

Fat/Lipid

d)

nucleic acid

28.

All cells have to be able to....

a)

Reproduce

b)

Respond to environment

c)

use energy

d)

all of the above

29.

What structure do plant cells and bacteria have but NOT animal cells?

a)

ribosome

b)

cytoplasm

c)

cell wall

d)

cell membrane

30.

What is the name of the theory that explains how the more complex Eukaryotes evolved from Prokaryotes?

a)

Autogenous

b)

Endosymbiotic

c)

Cell

d)

Evolution

31.

What is the study of life?

a)

Anatomy

b)

Biology

c)

Psychology

32.

An amoeba and a bacteria are unicellular.

a)

True

b)

False

33.
Which of these would NOT be studied by a biologist? 
a)
the relationship between trees and fungi. 
b)
how sand is distributed on the ocean floor. 
c)
the chemicals that break down food in your stomach
d)
how fast a cheetah runs. 
34.

An unicellular organism is one that...

a)

Can make its own food.

b)

Cannot make its own food.

c)

Has only one cell.

d)

Has many cells.

35.
The scientific name for something living is a(an)
a)
organism
b)
cell
c)
tissue
d)
human
36.

What is a biosphere?

a)

basic unit of life

b)

everything that lives on Earth

c)

species

d)

chemicals

37.

What is a species?

a)

particular type of living things that can breed and reproduce

b)

characteristic of life

c)

study of life

d)

step in scientific method

38.

What is metabolism?

a)

single stage of offspring

b)

group of related parts that work together

c)

fully grown

d)

chemical processes that happen in an organism

39.

Which of the following does not result from hydrogen bonding in water molecules?

a)

Cohesion

b)

Adhesion

c)

Surface Tension

d)

Dissolving fats

40.

Why is water considered polar?

a)

Nonpolar covalent bonds in structure

b)

Ionic bonds in structure

c)

Polar covalent bonds in structure

d)

Hydrophobic interaction in structure

41.

Which macromolecule(s) have nitrogen?

a)

Carbohydrates

b)

Proteins

c)

Nucleic Acids

d)

Nucleic Acids & Proteins

42.

Which macromolecule(s) have phosphorus?

a)

Carbohydrates

b)

Proteins

c)

Nucleic Acids

d)

Fats

43.

Which macromolecule(s) have sulfur?

a)

Carbohydrates

b)

Proteins

c)

Nucleic Acids

d)

Fats

44.

Describes the forming of a bond between monomers with the removal of a water molecule.

a)

Hydrolysis

b)

Dehydration

45.

Describes the breaking of a bond within a polymer using water.

a)

Hydrolysis

b)

Dehydration

46.

Which of the following is NOT in the monomer of a nucleic acid?

a)

pentose sugar

b)

nitrogenous base

c)

phosphate

d)

amino acid

47.

Which of the following is NOT in the monomer of a protein?

a)

Amine Group

b)

R Group

c)

Carboxyl Group

d)

Nitrogenous Base

48.

What component of the polypeptide is the next amino acid added forming the peptide bond?

a)

amino group

b)

hydrogen

c)

carboxyl group

d)

R groups

49.

Which protein involves R group bonding to form the final three dimensional structure?

a)

primary

b)

secondary

c)

tertiary

d)

quaternary

50.

Which protein structure involves the peptide bonds between amino acids?

a)

primary

b)

secondary

c)

tertiary

d)

quaternary

51.

DNA and RNA differ on many qualities, which of the following is NOT a difference?

a)

Sugar

b)

Nitrogenous Base

c)

Phosphate Group

d)

Strandedness

52.
What do disaccharides, such as sucrose, and polysaccharides, such as starch, have in common?
a)
They are lipids made of fatty acids.
b)
They are proteins made of amino acids.
c)
They are nucleic acids made of nucleotides.
d)
They are carbohydrates made of simple sugars.
53.
Which group of organic compounds contains fatty acids?
a)
Carbohydrates
b)
Lipids
c)
Nucleic Acids
d)
Proteins
54.
Which of the following answers links a biomolecule with one of its proper functions?
a)
Lipids - Store genetic information
b)
Carbohydrates - short term energy storage
c)
Nucleic Acids - Catalyze reactions
d)
Proteins - long term energy storage
55.
Peptide bonds in proteins can be broken down by the enzyme peptidase. Adrian orders a hamburger and French fries for lunch. He adds cheese and mayonnaise to his hamburger and then sits down to eat lunch with his friends. Which structure would most likely result from the action of peptidase in Adrian’s stomach?
a)
Lipids
b)
Glucose
c)
Nucleic Acid
d)
Amino Acid
56.
How many sugar-phosphate strands exist in each RNA molecule?
a)
4
b)
2
c)
1
d)
None
57.
Which organic macromolecules are composed of chains of amino acids that join to form the structural components of organisms.
a)
Carbohydrates
b)
Proteins
c)
Amino Acids
d)
Lipids
58.
This diagram shows the molecular structure of glucose.

Simple sugars like glucose can be used to make larger organic molecules. Identify a larger molecule made from simple sugars.
a)
Carbohydrates
b)
Lipids
c)
Monosaccharides
d)
Amino Acids
59.
The molecule in the diagram plays what role in the body?
a)
Releasing Energy
b)
Forming part of the sugar-phosphate backbone of DNA
c)
Storing Fat
d)
Controlling blood glucose levels
60.
The monomers used to synthesize proteins are called ____________.
a)
Nucleotides
b)
Fatty Acids
c)
Amino Acids
d)
Sugars
61.
The four most common elements found in biomolecules are:
a)
Carbon, Nitrogen, Phosphorus, Bromine
b)
Sulfur, Nitrogen, Iron, Carbon
c)
Sulfur, Phosphorus, Carbon, Oxygen 
d)
Carbon, Oxygen, Nitrogen, Hydrogen
62.
Which biomolecule is made of nucleotides and contain you DNA?
a)
Carbohydrate
b)
Lipids
c)
Protein
d)
Nucleic Acid
63.
Which biomolecule has sugars and starches?
a)
Lipids
b)
Proteins
c)
Carbohydrates
d)
Nucleic Acid
64.
Which biomolecule functions include enzymes­ which speeds the rate of chemical reactions, structural components in cells, mechanical functions in muscles and cytoskeleton, cell signaling, and immune response; provides structure and helps with chemical reactions 
a)
Protein
b)
Lipids
c)
Carbohydrate
d)
Nucleic Acid
65.
Which biomolecule is important source of energy for humans; glucose for human cells, tissues, and organs; provides fiber, sugar, and starches; provides structural support, cell wall, and cell membrane maker?
a)
Nucleic Acid
b)
Lipid
c)
Carbohydrate
d)
Protein
66.
Which biomolecule includes fats, such as triglycerides, oils, waxes, and steroids (cholesterol); insoluble in water; provides energy storage, insulation, part of cell membrane, and hormones 
a)
Nucleic Acid
b)
Lipids
c)
Carbohydrate
d)
Protein
67.
Identify the biomolecule
a)
Carbohydrate
b)
Lipid
c)
Protein
d)
Nucleic Acid
68.
Identify the biomolecule
a)
Lipid
b)
Protein
c)
Carbohydrate
d)
Nucleic Acid
69.
What is the monomer for a protein?
a)
Monosaccharide
b)
Triglyceride
c)
Amino Acid
d)
Nucleotide
70.
This biomolecule would be used for
a)
Building enzymes
b)
Storing energy
c)
Key source of energy
d)
Storing genetic information
71.
Lipids are made up of which of the following?
a)
glycerol and fatty acids tails
b)
glycerol and monolipids
c)
fatty acids and phosolipids
d)
amino acids and nucleotides
72.
What is the monomer of nucleic acids?
a)
Glycerol
b)
Monosaccharides
c)
Amino Acids
d)
Nucleotides
73.
Which biomolecule is this a picture of?
a)
Protein
b)
Nucleic Acid
c)
Lipid
d)
Carbohydrate
74.
The arrangement of which three components is used to distinguish one molecule from another?
a)
carbon, hydrogen, and oxygen
b)
glucose, fructose, and ribose
c)
peptide, fatty acid, and purine
d)
water, carbon dioxide, and notrogen
75.
The waxy, organic substances used by aquatic birds to coat their feathers, when analyzed consists mostly of 
a)
lipids
b)
proteins
c)
carbohydrates
d)
nucleic acids

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