WorksheetsQF2- Biology
Total questions: 83
Worksheet time: 1hrs 23mins
Use the Punnett square to answer the question that follows.
In a monohybrid cross between two organisms heterozygous for a particular trait (Ff), what would be the predicted ratio of the offspring’s genotypes?
1 FF: 3 Ff: 1 ff
1 FF: 2 Ff: 1 ff
2 FF: 2 Ff
3 Ff: 1 ff
The mitochondria is the main location of cellular respiration in eukaryotic cells. Fill in the blanks
___________+oxygen--->_____+water+energy
glucose, carbon dioxide
carbon dioxide, glucose
glucose, water
oxygen, water
The fluid filling the cell - site of chemical reactions such as glycolysis
cytoplasm
nucleus
plasma membrane
ribosomes
Responsible for making proteins
cytoplasm
nucleus
plasma membrane
ribosomes
A semi-permeable barrier surrounding all cells
cytoplasm
nucleus
plasma membrane
ribosomes
Which of these is produced during photosynthesis?
amino acid
glucose
glycerol
carbon dioxide
Photosynthesis is an important process that takes place in the organelle shown below.
What organelle is responsible for photosynthesis?
Cytoplasm
Golgi apparatus
Chloroplast
Lysosomes
This organelle is found mainly in ____, which are able to produce glucose through photosynthesis.
plants
animals
fungi
Cells are divided into two major categories based on their internal structures.
____ are cells that lack a nucleus and do not have membrane-bound organelles.
prokaryotes
eukaryotes
Mammals store extra glucose in the form of a compound called glycogen. Which molecule supplies the energy needed to join glucose molecules together to form a molecule of glycogen?
atp
rna
oxygen
carbon dioxide
Aerobic cellular respiration is the process that takes place in the mitochondria. This process is responsible for producing most of the ___ in eukaryotic cells.
ATP
DNA
protein
glucose
The mitochondria contains many enzymes that help in this process. What would be the likely result if these enzymes were to become denatured?
cellular respiration would stop
you would die
nothing awful
you would lose weight
The picture below shows a cell undergoing a process. This process is necessary in order to
allow the cell to divide.
provide nutrients to the cell.
protect the cell from infection.
allow the cell to change location.
Which of the following organelles is found in all cells?
ribosomes
nucleus
mitochondria
golgi apparatus
A frog living in the rainforest eats insects. Which element would be most abundant in the insects?
iron
calcium
nitrogen
silicon
What is the function of the structure labeled "Z"?
to make glucose
to store water
to make ribosomes
to store DNA
Which of the following is used by plants as a reactant in photosynthesis?
carbon dioxide
oxygen
glucose
hydrogen peroxide
Tall plants are dominant to short plants. What is the outcome if two short plants are crossed?
all tall plants
all short plants
half tall plants, half short plants
1/4 tall plants, 3/4 short plants
Which stage of mitosis is shown in the picture below?
Prophase
Metaphase
Anaphase
Telophase
Mendel did an experiment where he crossed peas with purple flowers with peas with white flowers. All of the offspring had purple flowers. This occurred because the gene for purple flowers is _____to the gene for white flowers.
dominant
recessive
codominant
sex linked
Another trait that Mendel studied was the height of pea plants. Tall (T) is dominant to short (t). Mendel crossed two parents that were both heterozygous for height and 75% of the offspring were tall while 25% of the offspring were short. Select the correct Punnett square for the cross below:
What phase of mitosis is shown in the image below?
Prophase
Metaphase
Anaphase
Telophase
Which characteristic is the BEST example of an inherited trait?
eye color
an infection
knowledge of soccer
length of hair
In cats, yellow eyes (E) are dominant and green eyes (e) are recessive. Two heterozygous cats (Ee) have kittens together. ____ of the kittens are expected to have yellow eyes and _____ of the kittens are expected to have green eyes.
100%,0%
75%,25%
50%,50%
25%,75%
What phase of mitosis is this?
prophase
metaphase
anaphase
telophase
What phase of mitosis is this?
prophase
metaphase
anaphase
telophase
What stage of mitosis is this?
prophase
metaphase
anaphase
telophase
What stage of mitosis is this?
prophase
metaphase
anaphase
telophase
What is the ultimate source of energy for all life on earth?
sunlight
carbohydrates
plants
animals
What is the first stage of cellular respiration?
glycolysis
citric acid cycle
electron transport chain
chemiosmosis
Two unicellular organisms are shown below.
Which of the two organisms is the eukaryote?
amoeba
bacterium
A cell grows, performs normal functions and replicates its DNA during
_______ , which is the longest part of the cell cycle.
interphase
mitosis
cytokenesis
Cellular respiration is an important process in cells. In eukaryotes, it takes place in an organelle shown below.
What organelle is responsible for cellular respiration?
chloroplast
mitochondria
nucleus
ribosomes
What is a job of white blood cells?
transport oxygen
remove waste
fight disease
enable reproduction
Lithops are multicellular organisms found in sandy soil in deserts. They have large, central vacuoles in their cells that store water.
Which of the following best classifies lithops?
They are bacteria because they store water.
They are animals because they are multicellular.
They are fungi because they are found in sandy soil.
They are plants because they have large, central vacuoles.
A cell from an organism has the structures listed below.
nucleus mitochondria cell wall chloroplasts
The organism is most likely classified as which of the following?
animal
bacterium
fungus
plant
Which organ system is responsible for bringing in oxygen and expelling carbon dioxide so that the body can do cellular respiration?
respiratory system
digestive system
excretory system
nervous system
Skin cells and liver cells contain different sets of enzymes. Which of the following conclusions can be made based on this information?
Skin cells and liver cells have different numbers of mitochondria.
Skin cells and liver cells can contain different numbers of chromosomes.
Skin cells and liver cells have different cell membrane compositions.
Skin cells and liver cells can perform different chemical reactions.
In which of the following ways does the plasma membrane regulate the entry of molecules into a cell?
The membrane allows only certain molecules to move into the cell.
The membrane destroys most molecules so that they do not enter the cell.
The membrane changes only certain molecules into ions before they move into the cell.
The membrane allows most molecules to transfer energy to the cell without entering the cell.
Which of the following is a polymer made of amino acids?
triglyceride
polysaccharide
polypeptide
phospholipid
Identify the microscopic creature shown
eukaryote
prokaryote
virus
Identify the microscopic creature shown
eukaryote
prokaryote
virus
Identify the microscopic creature shown
Eukaryote
Prokaryote
virus
The purpose of mitosis is to create two, ___ cells.
identical
different
smaller
This process begins with prophase, which is when the chromosomes condense and the nuclear envelope dissolves. This is followed by metaphase. What occurs during metaphase?
chromosomes line up in the middle of the cell
sister chromatids are pulled apart
two new nuclei are formed
the DNA is replicated
Mitosis takes up only a small percent of a cell's life cycle. Most of the cell's time is spent in interphase. What are two things that must occur during interphase.
growth, dna replication
life, dna replication
dna replication, respiration
dna replication, mating
A human body cell has 46 chromosomes. Which diagram represents mitosis in a human body cell?
A molecule of ATP is shown in the diagram below with adenine, ribose and three phosphates.
energy is released
glucose is produced
chemical energy is captured
light is absorbed
When cell division goes out of control and cells are dividing continuously without growing or performing their normal functions what does this cause?
Cancer
Interphase
Cytokinesis
Apoptosis
In cats, yellow eyes (E) are dominant and green eyes (e) are recessive. Where is the genetic information for the cat located?
the nucleus
the cytoplasm
the membrane
the lysosome
In cats, yellow eyes (E) are dominant and green eyes (e) are recessive. If two heterozygous cats (Ee) have kittens together, what is the probability that the kittens will have green eyes?
25%
50%
75%
100%
Every somatic (body) cell in a human has how many chromosomes?
46
23
2
100
A scientist discovers a new object. It is made of protein, contains DNA and requires a host to reproduce. Based on this information what is it?
a protist
bacterium
a virus
a fungus
In the process of photosynthesis, sunlight is converted into
chemical energy.
nuclear energy.
mechanical energy.
kinetic energy.
Polysaccharides are made of
monosaccharides
fatty acids
amino acids
nucleotides
Polypeptides are made of
monosaccharides
fatty acids
amino acids
nucleotides
Nucleic acids are made of
monosaccharides
fatty acids
amino acids
nucleotides
Triglycerides
Monosaccharides
Fatty acids
Amino acids
Nucleotides
An elephant is a multicellular organism that weighs about 200 pounds at birth and can grow to weigh as much as 15,000 pounds. What increases as the elephant grows into an adult?
the size of each body cell
the number of cells in its body
the amount of energy in its cells
the collection of water in each cell
Waxes form a waterproof coating over the stems and leaves of many terrestrial plants. The waxes are composed of fatty acids linked to long-chain alcohols.
Based on this information, waxes are which type of organic molecule?
polysaccharides
proteins
nucleotides
lipids
The cell cycle describes the processes that take place as a cell
absorbs nutrients.
makes proteins.
repairs old cells.
forms new cells.
Multicellular organisms grow in size by producing more
cells.
organs.
heart muscle.
chlorophyll.
Which is the result of mitosis?
two identical nuclei
four unique cells
a decrease in genes
a new protein
As a corn plant ages, its leaves grow. Which process is directly responsible for the growth of these leaves?
the division of cells in the plant
the release of oxygen from the plant
the absorption of carbon dioxide in the stem
the transportation of nutrients from the roots
A snapdragon plant with red flowers (RR) is crossed with a snapdragon plant with white flowers (WW). Snapdragon flowers show incomplete dominance. A Punnett square of the cross is shown below.
If the cross produces four offspring, how many of each color flower would likely be produced?
four red flowers
four pink flowers
two red flowers and two pink flowers
two white flowers and two pink flowers
A student is constructing a model of a single chromosome. The individual segments within the chromosome represent genes that control certain traits.
Based on the model, which term BEST describes gene pair #1.
dominant
heterozygous
homozygous
recessive
A breeder of guinea pigs crosses a male guinea pig that has black fur with a female guinea pig that has white fur. The Punnett square demonstrates the cross which results in offspring that all have black fur.
Using the Punnett square, identify the term that BEST describes the genotype of the offspring.
heterozygous
homozygous
A male fruit fly is homozygous dominant for gray-body color (G) and is crossed with a female fruit fly that is homozygous recessive for ebony-body color (g). What are the probable phenotypes of the offspring?
25% gray, 75% ebony
50% gray, 50% ebony
100% ebony
100% gray
A scientist studied human skin cells as they produced two genetically identical daughter cells from a single parent cell. The scientist mapped the steps as shown.
fertilization
meiosis
crossover
mitosis
A diagram of a plant cell is shown.
What process is shown in the diagram?
meiosis
mitosis
respiration
mutation
A man has a recessive genetic condition that neither of his parents expressed. His wife does not have this condition. However, she is a carrier. Based on this information, which Punnett square correctly predicts the probability that their children will have this genetic condition?
A woman carries one allele for an autosomal recessive disorder. A man carries no alleles for the disorder. If the woman and man have a child, what is the likelihood that the child will have the disorder?
0%
50%
75%
100%
A cleft chin in humans is coded by the dominant allele C. A chin without a cleft is coded by the recessive allele c. A man with a cc allele combination for the trait produces a zygote with a woman with a Cc allele combination for the trait. Which allele combinations could occur in the zygote?
Cc or cc
CC or Cc
CC only
Cc only
A “widow’s peak” hairline in humans is coded by the dominant allele W. A straight hairline is coded by the recessive allele w. A man with a homozygous dominant WW produces a zygote with a woman with a heterozygous Ww for the trait. Which allele combinations could occur in the zygote?
WW or ww
WW or Ww
WW only
Ww only
Shaded individuals in this pedigree express a particular trait.Based on this pedigree, what is the mode of inheritance of the trait?
autosomal dominant
autosomal recessive
sex-linked dominant
sex-linked recessive
What role do plants have in the carbon cycle?
use water and release carbon
use sugar and release carbon
use carbon and release oxygen
use carbon and release nitrogen
In the process of photosynthesis, sunlight is converted into
chemical energy.
nuclear energy.
mechanical energy.
kinetic energy.
If a single-celled organism that uses photosynthesis has its source of light removed, it will
grow in size.
produce less energy.
divide repeatedly.
generate more waste.
What products are produced during photosynthesis?
chloride and sugar
oxygen and sugar
nitrogen and sugar
carbon dioxide and sugar
Which element below is found in the smallest quantity in MOST living things?
iron
carbon
nitrogen
hydrogen
During photosynthesis, plants convert sunlight into what substance to be used for energy?
oxygen
carbon dioxide
iron sulfide
glucose
Which of these has the general chemical formula CH2O?
proteins
lipids
carbohydrates
steroids
The following reaction occurs in plants.
CO2+water + sunlight→O2+water+sugar
This reaction is beneficial to plants because it
results in a net increase in the mass of the atoms.
produces chemical building blocks for proteins.
keeps ultraviolet light from damaging their cells.
provides chemical energy to the cells.
