Biology Exam 1

Question 1 of 39

2

Which is the correct sequence for levels of biological organization within an organism?

Select one of the following:

a. Atom - molecule - organelle - cell - tissue
b. Molecule - atom - organelle - tissue - cell
c. Cell - organelle - atom - tissue - molecule
d. Organelle - molecule - atom - tissue - cell
e. Atom - organelle - molecule - cell – tissue

Explanation

Question 2 of 39

2

Which is not a required characteristic of life?

Select one of the following:

a. Homeostasis
b. Movement
c. Structural organization
d. Evolution
e. Energy use

Explanation

Question 3 of 39

2

The correct sequence of taxonomic categories beginning with domain in descending order are:

Select one of the following:

a. Kingdom - phylum - order - class - genus - family - species
b. Kingdom - class - phylum - order - family - genus - species
c. Kingdom - phylum - order - class - genus - family – species
d. Kingdom - phylum - class - order - family - genus - species
e. Kingdom - phylum - class - order - genus - family – species

Explanation

Question 4 of 39

2

Which of the following is not true about a hypothesis?

Select one of the following:

a. It can be proven to be true
b. It can be shown to be false
c. It is a tentative explanation
d. It is based on previous knowledge
e. It must be testable to be useful

Explanation

Question 5 of 39

2

In an experiment designed to measure the distance a golf ball is hit by clubs made of different material, the dependent variable would be:

Select one of the following:

a. The distance the golf ball traveled
b. The type of material the club is made of
c. The wind direction when the experiment took place
d. The material the golf ball was made of
e. The speed of the golf club prior to hitting the golf ball

Explanation

Question 6 of 39

2

The original three tenets of the cell theory are:

Select one of the following:

a. All organisms have DNA, DNA is the fundamental unit of life and all cells come from preexisting cells
b. All organisms are made of one or more cells, the cell is the fundamental unit of life and all cells come from preexisting cells
c. All organisms have DNA, all organisms are made of cells and all cells produce proteins
d. All organisms are made of one or more cells, the cell is the fundamental unit of life and all cells have a nucleus
e. All organisms are made of one or more cells, all cells contain DNA and all cells come from preexisting cells

Explanation

Question 7 of 39

2

A prokaryotic cell:

Select one of the following:

a. Has a nucleus
b. Does not have a nucleus
c. Does not have ribosomes
d. Is at least 100 micrometers in diameter
e. Has membrane-bounded organelles

Explanation

Question 8 of 39

2

An organelle found in plant cells and some members of the kingdom Protista but not in animal cells is:

Select one of the following:

a. A centriole
b. A ribosome
c. A cell membrane
d. A lysosome
e. A chloroplast

Explanation

Question 9 of 39

2

Which of the following are cellular digestion centers?

Select one of the following:

a. Peroxisomes and ribosomes
b. Lysosomes and peroxisomes
c. Ribosomes and chloroplasts
d. Chloroplasts and ribosomes
e. Lysosomes and Golgi apparatus

Explanation

Question 10 of 39

2

A cytoskeleton is:

Select one of the following:

a. A structure that aids in the process of cell division
b. Found in the cytoplasm of eukaryotic cells
c. A system of tracks used for transport
d. Composed of microtubules and microfilaments
e. All are correct

Explanation

Question 11 of 39

2

Unlike most organelles, chloroplasts and mitochondria contain:

Select one of the following:

a. Membranes
b. Ribosomes and DNA
c. Ribosomes
d. DNA
e. Membranes and ribosomes

Explanation

Question 12 of 39

2

The diffusion of water across a selectively permeable (biological) membrane is:

Select one of the following:

a. Facilitated diffusion
b. Active transport
c. A rare occurrence
d. Osmosis
e. Always beneficial to a cell

Explanation

Question 13 of 39

2

If a cell has a 95% concentration of water in its cytoplasm and the environment surrounding the cell has a 90% concentration of water:

Select one of the following:

a. Water will flow into the cell by osmosis
b. Water will flow out of the cell by active transport
c. Water will flow out of the cell by osmosis
d. Water will flow into the cell by active transport
e. Water will flow into the cell by facilitated diffusion

Explanation

Question 14 of 39

2

14. The organelle that carries out photosynthesis in plants is the:

Select one of the following:

a. chloroplast
b. mitochondria
c. ribosome
d. chlorophyll
e. lysosome

Explanation

Question 15 of 39

2

In flowering plants:

Select one of the following:

a. The gametophyte is larger than the sporophyte
b. The gametophyte can grow independently of the sporophyte
c. The gametophyte is both smaller than the sporophyte and can grow independently
d. The gametophyte is smaller than the sporophyte
e. The gametophyte is both larger than the sporophyte and can grow independently

Explanation

Question 16 of 39

2

The substance that strengthens and supports cell walls allowing plants to grow tall and upright is:

Select one of the following:

a. Algin
b. Agar
c. Chlorophyll
d. The carotenoids
e. Lignin

Explanation

Question 17 of 39

2

Flowers and fruits are unique to:

Select one of the following:

a. Angiosperms
b. Bryophytes
c. Gymnosperms
d. Conifers
e. Cycads

Explanation

Question 18 of 39

2

Plants and algae most recently shared a common ancestor 480 million years ago, and plants colonized land shortly after that. Light, water, minerals, and dissolved gases surround the whole body of a submerged green alga, and the buoyancy of water provides physical support. What adaptation did plants have to make in taking up water and minerals when they moved to dry land?

Select one of the following:

a. Development of stomata
b. Production of pollen
c. Development of vascular tissue
d. Production of a cuticle
e. Production of lignin

Explanation

Question 19 of 39

2

The first land plants were bryophytes, which then branched into ferns, gymnosperms, and finally angiosperms. What advantage did ferns have over bryophytes?

Select one of the following:

a. The ferns were able to do photosynthesis
b. The ferns were also heterotrophs
c. Ferns have a vascular system, this allowed them to grow taller
d. Ferns do not require water to reproduce
e. Ferns go through alternation of generations

Explanation

Question 20 of 39

2

In bryophytes the sporophyte is conspicuous or dominant.

Select one of the following:

True
False

Explanation

Question 21 of 39

2

In the ecosystems of the world fungi act primarily as:

Select one of the following:

a. Decomposers
b. Producers
c. Primary consumers
d. Secondary consumers

Explanation

Question 22 of 39

2

Yeasts are:

Select one of the following:

a. Multi-celled autotrophs
b. Single-celled heterotrophs
c. Single-celled autotrophs
d. Multi-celled heterotrophs
e. All are correct

Explanation

Question 23 of 39

2

Which is the best description of the mutual benefit to both species found in a lichen?

Select one of the following:

a. The autotroph provides energy and the heterotroph prevents dehydration
b. The autotroph prevents dehydration and the heterotroph provides energy
c. The autotroph produces oxygen and the heterotroph consumes oxygen
d. The heterotroph protects the autotroph from predation
e. The autotroph produces antibiotics to ward off infection by bacteria

Explanation

Question 24 of 39

2

Which of the following characteristics do all animals share?

Select one of the following:

a. They are single-celled eukaryotes
b. They are multi-cellular prokaryotes
c. They are multi-cellular eukaryotes
d. They are single-celled prokaryotes

Explanation

Question 25 of 39

2

In animals, a sphere of embryonic cells surrounding a fluid-filled cavity is called a:

Select one of the following:

a. Gastrovascular cavity
b. Blastula
c. Coelom
d. Gastrula
e. Hydrostatic skeleton

Explanation

Question 26 of 39

2

Cnidarians all share the ability to do which of the following?

Select one of the following:

a. Photosynthesize
b. Secrete enzymes to digest food
c. Sting predators and prey
d. Live on land
e. Fly

Explanation

Question 27 of 39

2

Snails and squids belong to the phylum:

Select one of the following:

a. Cnidaria
b. Porifera
c. Platyhelminthes
d. Mollusca
e. Annelida

Explanation

Question 28 of 39

2

The most successful phylum in regards to diversity and numbers is:

Select one of the following:

a. Mollusca
b. Nematoda
c. Platyhelminthes
d. Arthropoda
e. Echinodermata

Explanation

Question 29 of 39

2

Which of the following is a characteristic of the phylum Chordata?

Select one of the following:

a. They do not have true tissues
b. They have a gastrula with only two germ layers
c. They have radial symmetry
d. They have a notochord
e. They have a pseudocoelom

Explanation

Question 30 of 39

2

Mammals that lay eggs are:

Select one of the following:

a. Marsupials
b. Placentals
c. Bats
d. Birds
e. Monotremes

Explanation

Question 31 of 39

2

Birds are endothermic, feathered reptiles,

Select one of the following:

True
False

Explanation

Question 32 of 39

2

The genetic information in viruses:

Select one of the following:

a. Is found in the nucleus of the virus
b. Is always DNA
c. Can be DNA or RNA
d. Is always RNA
e. Can be replicated outside of a cell

Explanation

Question 33 of 39

2

A reason or reasons given by scientists as to why viruses are not considered living organisms include:

Select one of the following:

a. Viruses do not contain genetic information
b. Viruses do not reproduce on their own
c. Viruses are all smaller than the smallest known cells
d. Viruses do not contain a nucleus
e. Viruses can be frozen and still survive

Explanation

Question 34 of 39

2

Which of the following is true of a prokaryote?

Select one of the following:

a. Prokaryotes do not have a nucleus
b. Prokaryotes are multi celled
c. Prokaryotes do not have a chromosome
d. Prokaryotes have membrane-bounded organelles
e. Prokaryotes do not have ribosomes

Explanation

Question 35 of 39

2

The domain (domains) that contain prokaryotes is (are):

Select one of the following:

a. Archaea
b. Bacteria
c. Both Archaea and Bacteria
d. Eukarya
e. Both Bacteria and Eukarya

Explanation

Question 36 of 39

2

An asexual process used by prokaryotes, in which replicated DNA and other cell parts are distributed into two daughter cells is called:

Select one of the following:

a. Mitosis
b. Binary fusion
c. Daughter cell duplication
d. Binary fission
e. Conjugation

Explanation

Question 37 of 39

2

All protists:

Select one of the following:

a. Are prokaryotes
b. Do not have a nucleus
c. Do not have membrane-bounded organelles
d. Are eukaryotes
e. Have a cell wall

	Created by Rayne Cook over 6 years ago

Help practice.

Biology Exam 1

Biology Exam 1

Question 1 of 39

Which is the correct sequence for levels of biological organization within an organism?

Select one of the following:

Explanation

Question 2 of 39

Which is not a required characteristic of life?

Select one of the following:

Explanation

Question 3 of 39

The correct sequence of taxonomic categories beginning with domain in descending order are:

Select one of the following:

Explanation

Question 4 of 39

Which of the following is not true about a hypothesis?

Select one of the following:

Explanation

Question 5 of 39

In an experiment designed to measure the distance a golf ball is hit by clubs made of different material, the dependent variable would be:

Select one of the following:

Explanation

Question 6 of 39

The original three tenets of the cell theory are:

Select one of the following:

Explanation

Question 7 of 39

A prokaryotic cell:

Select one of the following:

Explanation

Question 8 of 39

An organelle found in plant cells and some members of the kingdom Protista but not in animal cells is:

Select one of the following:

Explanation

Question 9 of 39

Which of the following are cellular digestion centers?

Select one of the following:

Explanation

Question 10 of 39

A cytoskeleton is:

Select one of the following:

Explanation

Question 11 of 39

Unlike most organelles, chloroplasts and mitochondria contain:

Select one of the following:

Explanation

Question 12 of 39

The diffusion of water across a selectively permeable (biological) membrane is:

Select one of the following:

Explanation

Question 13 of 39

If a cell has a 95% concentration of water in its cytoplasm and the environment surrounding the cell has a 90% concentration of water:

Select one of the following:

Explanation

Question 14 of 39

14. The organelle that carries out photosynthesis in plants is the:

Select one of the following:

Explanation

Question 15 of 39

In flowering plants:

Select one of the following:

Explanation

Question 16 of 39

The substance that strengthens and supports cell walls allowing plants to grow tall and upright is:

Select one of the following:

Explanation

Question 17 of 39

Flowers and fruits are unique to:

Select one of the following:

Explanation

Question 18 of 39

Select one of the following:

Explanation

Question 19 of 39

The first land plants were bryophytes, which then branched into ferns, gymnosperms, and finally angiosperms. What advantage did ferns have over bryophytes?

Select one of the following:

Explanation

Question 20 of 39

In bryophytes the sporophyte is conspicuous or dominant.