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Biology 9th Final Semester 1

Total questions: 112

Worksheet time: 2hrs 52mins

Name
Class
Date
1.

A natural polymer that represents in all living cells and that plays a role in protein synthesis, contains the sugar ribose.

a)

RNA

b)

DNA

c)

Synthesiserase

d)

Polymerase

2.

Carbohydrates that are made up of more than two monosaccharides

a)

Nucleic Acid

b)

Proteins

c)

Duosaccharides

d)

Polysaccharides

3.

Mixture that forms when one substance dissolves another

a)

Solution

b)

Catalyst

c)

Reactant

d)

Suspension

4.

If an atom of hydrogen loses an electron, it becomes an ion. Does this hydrogen ions have a positive or negative charge?

a)

Negative

b)

Positive

5.

Neutral Charge

a)

Proton

b)

Electron

c)

Atom

d)

Neutron

6.

Substance that speeds up the rate of chemical reaction

a)

Catalyst

b)

Isotope

c)

Reactant

d)

Product

7.

Substance that speeds up the rate of chemical change

a)

Catalyst

b)

Isotope

c)

Electron

d)

Reactor

8.

Atoms of the same element that have different numbers of neutrons

a)

Electron

b)

Isotope

c)

Ion

d)

Adhesion

9.

True of False: All isotopes of an element have the same chemical properties

a)

True

b)

False

10.

Located in the nucleus

a)

Atoms

b)

Protons and Neutrons

c)

Protons only

d)

Electron

11.

In order from Acidic to Alkaline: Arrange Bleach, Blood, Lemons, and Tomatoes

a)

Bleach, Blood, Tomatoes, and Lemons

b)

Tomatoes, Blood, Lemons, and Bleach

c)

Blood, Lemons, Tomatoes, and Bleach

d)

Lemons, Tomatoes, Blood, and Bleach

12.

Located outside of the nucleus

a)

Electron

b)

Catalyst

c)

Proton

d)

Enzyme

13.

Positively Charged

a)

Atom

b)

Electron

c)

Proton

d)

Neutron

14.

What would 2 reactants be if you were making a cake?

a)

Eggs and flour

b)

sugar and milk

c)

vanilla and oil

d)

All the above

15.

Compound that prevents sharp sudden changes in pH

a)

Enzyme

b)

Shiftier

c)

Buffer

d)

Catalyst

16.

Formed when one or more electrons are transferred from one atom to another

a)

Radioactive

b)

Isotope

c)

Neutron

d)

Ionic Bond

17.

What charge does an electron have?

a)

No Charge

b)

Negative Charge

c)

Neutral Charge

d)

Positive Charge

18.

Negatively charged sub atomic particle; in constant motion in orbits surrounding the nucleus

a)

Electron

b)

Reactant

c)

Solution

d)

Catalyst

19.

What is the difference between cohesion and adhesion?

a)

Cohesion- to the tendency of some substances to cling to other substances.

Adhesion- is the sticking together of particles of the same substance.

b)

Cohesion- sticking together of particles of the same substance.

Adhesion- the tendency of some substances to cling to other substances.

20.

What are the four macromolecules?

a)

Carbohydrates, liquids, promote, and nucleic acid

b)

Carbon, lipids, proteins, and water

c)

Carbohydrates, lipids, proteins, and nucleic acid

d)

None of the above

21.

Diffusion is the movement of particles from

a)

an area of low concentration to an area of high concentration

b)

an area of high concentration to an area of low concentration

c)

an area of equilibrium to an area of high concentration

d)

all the above

22.

The diffusion of water across a selectively permeable membrane is called

a)

Osmosis

b)

Osmotic pressure

c)

Facilitated diffusion

d)

Active transport

23.

Molecules tend to move from an area where they are more concentrated to an area where they are less concentrated. This process is called ___________

a)

Water

b)

Active Transport

c)

Concentration

d)

Diffusion

24.

When molecules diffuse from an area of low concentration to an area of high concentration

a)

Lipid Bilayer

b)

Channel Proteins

c)

Active Transfer

d)

Facilitated Diffusion

25.

The basic units of life

a)

Atom

b)

Exocytosis

c)

Organelles

d)

Cells

26.

Makes up the cell membrane

a)

Lipid Bilayer

b)

Endocytosis

c)

Osmosis

d)

Mitochondria

27.

When molecules are taken into the cell

a)

Cells

b)

Transport

c)

Endocytosis

d)

Exoctosis

28.

When molecules are released by the cell

a)

Endocytosis

b)

Exocytosis

c)

Inside

d)

Channel Proteins

29.

Assists specific molecules as they move across the membrane

a)

Organelles

b)

Active Transport

c)

Channel Proteins

d)

None of the above

30.

The amount of solutes dissolved in a solution

a)

Cells

b)

Facilitated Diffusion

c)

Osmosis

d)

Concentration

31.

"Tiny organs"

a)

Organelles

b)

Cells

c)

Atoms

d)

Proteins

32.

The diffusion of water through a selectively permeable membrane

a)

Lipid Bilayer

b)

Osmosis

c)

Transport

d)

Concentration

33.

When certain molecules are "help" in diffusing across the cell membrane

a)

Hypertension

b)

Facilitated Diffusion

c)

Osmosis

d)

Osmotic pressure

34.

What did Griffith observe when he injected into mice a mixture of heat-killed bacteria and live harmless bacteria?

a)

The disease-causing bacteria changed into harmless bacteria

b)

The mice developed pneumonia

c)

The harmless bacteria died

d)

The mice were unaffected

35.

DNA is made up of units called nucleotides. Nucleotides ared made up of what three parts?

a)

Glucose + Phosphate Group + Adenine

b)

Ribose + Phosphate Group + Nitrogenous Base

c)

5 Carbon Sugar + Hydrogen Bond + Nitrogenous Base

d)

5 Carbon Sugar + Phosphate Group + Nitrogenous Base

36.

DNA replication results in two DNA molecules,

a)

Each with two new strands

b)

One with two new strands and the other with two original strands

c)

Each with one new strand and one original strand

d)

Each with two original strands

37.

What holds two complementary nitrogenous bases together

a)

Helicase

b)

DNA Polymerase

c)

A Hydrogen Bond

d)

Nitrogen Bond

38.

Avery's experiments showed that bacteria are transformed by

a)

RNA

b)

DNA

c)

Proteins

d)

Carbohydrates

39.

DNA wraps around tiny proteins called __________.

a)

Histones

b)

Glucose

c)

DNA Polymerse

d)

Helicase

40.

At the beginning of DNA replication, what enzyme "unzips" the two strands of a DNA molecule?

a)

Helicase

b)

DNA Polymerase

c)

Kinase

d)

ATP Synthase

41.

A virus that infects bacteria by injecting its own genetic material into the bacteria is called what?

a)

DNA Polymerase

b)

Baceriophage

c)

E. coil

d)

Pneumonia

42.

Who came up with the 3D model of the structure of DNA?

a)

Alfred Hershey and Martha Chase

b)

Fredrick Griffith

c)

James Watson and Francis Crick

d)

Oswald Avery

43.

According to the principle of __________, adenine can only bond with thymine, and guanine can only bond with cytosine

a)

X-ray Diffraction

b)

DNA Replication

c)

Base Pairing

d)

Transformation

44.

DNA is copied during a process called

a)

Replication

b)

Translation

c)

Transcription

d)

Transformation

45.

Who developed the technique of using X-ray diffraction to determine the structure of DNA?

a)

James Watson and Francis Crick

b)

Rosalind Franklin

c)

Alfred Hershey and Martha Chase

d)

Frederick Griffith

46.

What enzyme attaches complementary base pairs to complete base pairs to complete the process of replications?

a)

DNA Polymerase

b)

Helicase

c)

Kinase

d)

ATP Synthase

47.

Adenine and Thymine are said to be what?

a)

Purines

b)

Pyrimidines

c)

Templates

d)

Complimentary

48.

If one strand of DNA has the following sequence, AATCATGGA, what would the complementary strand be?

a)

AATCATGGA

b)

UUAGUACCU

c)

TTAGTACCT

d)

GGATAUCUA

49.

Process of cell division

a)

Mitosis

b)

Metaphase

c)

Cytokinesis

d)

S-Phase

50.

The cell grows

a)

S-Phase

b)

Telophase

c)

Interphase

d)

Cytokinesis

51.

Chromatin condenses to form chromosomes and the nuclear envelope dissolves

a)

Metaphase

b)

G2 Phase

c)

Cytokinesis

d)

Prophase

52.

Chromosomes are pulled apart by the spindle fibers

a)

Telophase

b)

Metaphase

c)

G2 Phase

d)

Anaphase

53.

Chromosomes line up along the middle

a)

Mitosis

b)

Metapahse

c)

S-Phase

d)

Telophase

54.

Division of the cytoplasm

a)

Cytokinesis

b)

G2 Phase

c)

Interphase

d)

G1 Phase

55.

Cells spend most of their life in this phase

a)

S-Phase

b)

Telophase

c)

Interphase

d)

Metaphase

56.

Which of these phases of mitosis take place first?

a)

Anaphase

b)

Prophase

c)

Metaphase

d)

Telophase

57.

Which phase is described as sister chromatids lined up in the center of the cell

a)

Metaphase

b)

G1 Phase

c)

Prophase

d)

Interphase

58.

Chromatid pairs can be seen, spindle fibers form and nuclear membrane disappears

a)

Telophase

b)

Anaphase

c)

Prophase

d)

Metaphase

e)

Cytokinesis

59.

Two new nuclei form and the cytoplasm splits

a)

Cytokinesis

b)

Metaphase

c)

Telophase

d)

Metaphase

e)

Prophase

60.

Chromosomes duplicate, the cell grows and develops

a)

Telophase

b)

Metaphase

c)

Prophase

d)

Anaphase

e)

Cytokinesis

61.

Centrioles pull the chromosomes apart toward the opposite sides of the cell describes

a)

Anaphase

b)

Prophase

c)

Cytokinesis

d)

Telophase

62.

What is this structure called?

a)

DNA Molecule

b)

Amino Acid

c)

RNA Molecule

d)

Protein

63.

Identify the phase

a)

Prophase

b)

Cytokinesis

c)

Anaphase

d)

Interphase

64.

Identify the phase

a)

Telophase

b)

Metaphase

c)

Prophase

d)

Anaphase

65.

Identify the phase

a)

Metaphase

b)

Interphase

c)

Anaphase

d)

Telophase

66.

Identify the phase

a)

Interphase

b)

Telophase

c)

M2

d)

Anaphase

67.

Identify the phase

a)

Telophase

b)

Interphase

c)

Metaphase

d)

Anaphase

68.

What does this image show?

a)

Phosphate Group

b)

Nucleotide

c)

Cytosine

d)

5 Carbon Sugar

69.

Which of the following is a nucleotide found in RNA?

a)

Ribose + Phosphate Group + Thymine

b)

Ribose + Phosphate Group + Uracil

c)

Deoxyribose + Phosphate Group + Uracil

d)

Deoxyribose + Phosphate Group + Cytosine

70.

Unlike DNA, RNA contains

a)

Adenine

b)

Phosphate Groups

c)

Uracil

d)

Thymine

71.

Which type(s) of RNA is (are) involved in protein synthesis?

1.Transfer RNA

2.Messenger RNA

3.Ribosomal RNA

a)

1 only

b)

2 and 3 only

c)

1 and 3 only

d)

None of the above

e)

All of the above

72.

During transcription, an RNA molecule is formed

a)

That is complementary to both strands of DNA

b)

That is complementary to neither strand of DNA

c)

That is complementary to one strand of DNA

d)

Inside the cytoplasm

73.

How many codons are needed to specify three amino acids?

a)

6

b)

3

c)

9

d)

12

74.

Which of the following terms is LEAST closely related to the others?

a)

Intron

b)

tRNA

c)

Amino Acid

d)

Anticodon

75.

RNA contains the sugar

a)

Deoxyribose

b)

Glucose

c)

Ribose

d)

Lactose

76.

Which RNA molecule carries amino acid

a)

Messenger RNA

b)

RNA Poymerase

c)

Ribosomal RNA

d)

Transfer RNA

77.

What is produced during transcription

a)

Proteins

b)

RNA Polymerase

c)

RNA Molecules

d)

DNA Molecules

78.

What happens during the process of translation

a)

Messenger RNA is made from DNA

b)

Ribosomes use information from messenger RNA to produce proteins

c)

Transfer RNA is made from messenger RNA

d)

Copies of DNA molecules are made

79.

Genes contain instructions for assembling

a)

Purines

b)

Nuclesomes

c)

Proteins

d)

Pyrimidines

80.

Which type of RNA functions as a blueprint for a protein?

a)

rRNA

b)

tRNA

c)

mRNA

d)

RNA Poymerase

81.

A promoter is a

a)

Binding site for DNA polymerase

b)

Release point for RNA polymerase

c)

Start signal for transcription

d)

Stop signal for transcription

82.

Which pieces of RNA are used for protein synthesis?

a)

Introns

b)

Exons

c)

Thymine

d)

Histones

83.

What pieces of RNA are NOT used for protein synthesis?

a)

Introns

b)

Exons

c)

Thymine

d)

Histones

84.

Why is it possible for an amino acid to be specified by more than one kind of codon?

a)

Some condons have the same sequence of nucleotides

b)

There are 64 different kinds of codons, but only 20 amino acids

c)

Some condons do not specify an amino acid

d)

The codon AUG codes for the amino acid methionine and serves as the "start codon for protein synthesis

85.

The codon is found on which molecule?

a)

mRNA

b)

rRNA

c)

tRNA

d)

DNA

86.

The anticodon is found on which molecule?

a)

mRNA

b)

rRNA

c)

tRNA

d)

DNA

87.

Chemical equation for photosynthesis

a)

602 + C6H1206 --> 6C02 + 6H20 + Energy

b)

6CO2 + 6H2O → C6H12O6 + 6O2

c)

Carbon dioxide + water -> glucose + oxygen

88.

Word equation for photosynthesis

a)

6CO2 + 6H2O → C6H12O6 + 6O2

b)

glucose + oxygen --> carbon dioxide + water + energy

c)

Carbon dioxide + water + light yields glucose + oxygen

d)

602 + C6H1206 --> 6C02 + 6H20 + Energy

89.

chemical equation for cellular respiration

a)

6CO2 + 6H2O → C6H12O6 + 6O2

b)

602 + C6H1206 --> 6C02 + 6H20 + Energy

90.

Word equation for cellular respiration

a)

glucose + oxygen --> carbon dioxide + water + energy

b)

Carbon dioxide + water -> glucose + oxygen

91.

Photosynthesis takes place in what organelle?

a)

Chloroplast

b)

Mitochondria

92.

Cellular respiration takes place in what organelle?

a)

Chloroplast

b)

Mitochondria

93.

What is the difference between ATP and ADP?

a)

ATP: 3 phosphate groups

ADP: 2 phosphate groups

b)

ATP: 2 phosphate groups

ADP: 3 phosphate groups

94.

What organelle would you expect to find in plant cells?

a)

Mitochondrion

b)

Ribsome

c)

Chloroplast

d)

Smooth Endoplasmic Reticulm

95.

Which organelle makes proteins using coded instructions that come from the nucleus?

a)

Golgi Apparatus

b)

Mitochondrion

c)

Vacuole

d)

Ribosome

96.

Who was the first person to identify and see cells

a)

Anton van Leeuwenhoek

b)

Robert Hooke

c)

Matthias Scheiden

d)

Mr. Luthy

97.

Which of the following organelles synthesize and package lipids?

a)

Smooth E.R.

b)

Rough E.R.

c)

Golgi Apparatus

d)

Ribosomes

98.

Eukaryotes usually contain

a)

A nucleus

b)

Specialized Organelles

c)

Genetic Material

d)

All of the above

99.

Which cell structure contains the cell's genetic material and controls many of the cell's activities?

a)

Ribosome

b)

Nucleus

c)

Cell Envelope

d)

Cytoplasm

100.

Which of the following is a function of the cell membrane?

a)

Breaks down lipids, carbohydrates, and protein from foods

b)

Stores water, salt, proteins, and carbohydrates

c)

Keeps the cell wall in place

d)

Regulates which material enter and leave the cell

101.

The main function of the cell wall is to

a)

Support and protect the cell

b)

Store DNA

c)

Direct the activities of the cell

d)

Help the cell move

102.

Which of the following is NOT found in the animal cell?

a)

Chloroplast

b)

Lysosomes

c)

Ribosomes

d)

DNA

103.

Which of the following is a function of the cytoskeleton?

a)

Helps a cell keep its shape

b)

Contains DNA

c)

Surrounds the cell

d)

Helps make proteins

104.

Which of the following structures serves as the cell's boundary from its environment?

a)

Mitochondrion

b)

Cell Membrane

c)

Chloroplast

d)

Channel Proteins

105.

Which organelle converts sunlight into energy that the cell can use?

a)

Chloroplast

b)

Golgi Apparatus

c)

Endoplasmic Reticulum

d)

Mitochondrion

106.

Prokaryotes lack

a)

Cytoplasm

b)

A cell membrane

c)

a nucleus

d)

genetic material

107.

The thin, flexible barrier a cell is called the

a)

Cell Membrane

b)

Cell Wall

c)

Cell Envelope

d)

Cytoplasm

108.

Which of these provide support and structure to the cell?

a)

Cytoplasm and Ribosomes

b)

Nucleolus and Nucleus

c)

Microtubules and Microfilaments

d)

Chromosomes

109.

Unlike smooth endoplasmic reticulum, rough endoplasmic has ___________ attached to it

a)

Ribosomes

b)

Cells

c)

Golgi Apparatus

d)

Mitochondria

110.

According to the cell, theory, new cells are produced from existing _____________.

a)

Mitochondria

b)

Golgi Apparatus

c)

Ribosomes

d)

Cells

111.

Proteins and lipids are delivered to the _____________ in order to be packaged and shipped out to different parts of the cell

a)

Cells

b)

Golgi Appartus

c)

Ribsomes

d)

Mitochondria

112.

The _____________ converts food into energy that the cell can use; it acts as a power generator for the cell

a)

Ribosomes

b)

Cells

c)

Mitochondria

d)

Golgi Apparatus

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