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QF2- Biology

Total questions: 83

Worksheet time: 1hrs 23mins

Name
Class
Date
1.

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?


a)

1 FF: 3 Ff: 1 ff

b)

1 FF: 2 Ff: 1 ff

c)

2 FF: 2 Ff

d)

3 Ff: 1 ff

2.

The mitochondria is the main location of cellular respiration in eukaryotic cells. Fill in the blanks


___________+oxygen--->_____+water+energy

a)

glucose, carbon dioxide

b)

carbon dioxide, glucose

c)

glucose, water

d)

oxygen, water

3.

The fluid filling the cell - site of chemical reactions such as glycolysis

a)

cytoplasm

b)

nucleus

c)

plasma membrane

d)

ribosomes

4.

Responsible for making proteins

a)

cytoplasm

b)

nucleus

c)

plasma membrane

d)

ribosomes

5.

A semi-permeable barrier surrounding all cells

a)

cytoplasm

b)

nucleus

c)

plasma membrane

d)

ribosomes

6.

Which of these is produced during photosynthesis?

a)

amino acid

b)

glucose

c)

glycerol

d)

carbon dioxide

7.

Photosynthesis is an important process that takes place in the organelle shown below.

What organelle is responsible for photosynthesis?

a)

Cytoplasm

b)

Golgi apparatus

c)

Chloroplast

d)

Lysosomes

8.

This organelle is found mainly in ____, which are able to produce glucose through photosynthesis.

a)

plants

b)

animals

c)

fungi

9.

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.

a)

prokaryotes

b)

eukaryotes

10.

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?

a)

atp

b)

rna

c)

oxygen

d)

carbon dioxide

11.

Aerobic cellular respiration is the process that takes place in the mitochondria. This process is responsible for producing most of the ___ in eukaryotic cells.

a)

ATP

b)

DNA

c)

protein

d)

glucose

12.

The mitochondria contains many enzymes that help in this process. What would be the likely result if these enzymes were to become denatured?

a)

cellular respiration would stop

b)

you would die

c)

nothing awful

d)

you would lose weight

13.

The picture below shows a cell undergoing a process. This process is necessary in order to


a)

allow the cell to divide.

b)

provide nutrients to the cell.

c)

protect the cell from infection.

d)

allow the cell to change location.

14.

Which of the following organelles is found in all cells?

a)

ribosomes

b)

nucleus

c)

mitochondria

d)

golgi apparatus

15.

A frog living in the rainforest eats insects. Which element would be most abundant in the insects?

a)

iron

b)

calcium

c)

nitrogen

d)

silicon

16.

What is the function of the structure labeled "Z"?

a)

to make glucose

b)

to store water

c)

to make ribosomes

d)

to store DNA

17.

Which of the following is used by plants as a reactant in photosynthesis?

a)

carbon dioxide

b)

oxygen

c)

glucose

d)

hydrogen peroxide

18.

Tall plants are dominant to short plants. What is the outcome if two short plants are crossed?


a)

all tall plants

b)

all short plants

c)

half tall plants, half short plants

d)

1/4 tall plants, 3/4 short plants

19.

Which stage of mitosis is shown in the picture below?

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

20.

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.

a)

dominant

b)

recessive

c)

codominant

d)

sex linked

21.

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:

a)
b)
c)
22.

What phase of mitosis is shown in the image below?

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

23.

Which characteristic is the BEST example of an inherited trait?


a)

eye color

b)

an infection

c)

knowledge of soccer

d)

length of hair

24.

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.

a)

100%,0%

b)

75%,25%

c)

50%,50%

d)

25%,75%

25.

What phase of mitosis is this?

a)

prophase

b)

metaphase

c)

anaphase

d)

telophase

26.

What phase of mitosis is this?

a)

prophase

b)

metaphase

c)

anaphase

d)

telophase

27.

What stage of mitosis is this?

a)

prophase

b)

metaphase

c)

anaphase

d)

telophase

28.

What stage of mitosis is this?

a)

prophase

b)

metaphase

c)

anaphase

d)

telophase

29.

What is the ultimate source of energy for all life on earth?

a)

sunlight

b)

carbohydrates

c)

plants

d)

animals

30.

What is the first stage of cellular respiration?

a)

glycolysis

b)

citric acid cycle

c)

electron transport chain

d)

chemiosmosis

31.

Two unicellular organisms are shown below.

Which of the two organisms is the eukaryote?

a)

amoeba

b)

bacterium

32.

A cell grows, performs normal functions and replicates its DNA during

_______ , which is the longest part of the cell cycle.

a)

interphase

b)

mitosis

c)

cytokenesis

33.

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?

a)

chloroplast

b)

mitochondria

c)

nucleus

d)

ribosomes

34.

What is a job of white blood cells?


a)

transport oxygen

b)

remove waste

c)

fight disease

d)

enable reproduction

35.

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?

a)

They are bacteria because they store water.

b)

They are animals because they are multicellular.

c)

They are fungi because they are found in sandy soil.

d)

They are plants because they have large, central vacuoles.

36.

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?

a)

animal

b)

bacterium

c)

fungus

d)

plant

37.

Which organ system is responsible for bringing in oxygen and expelling carbon dioxide so that the body can do cellular respiration?

a)

respiratory system

b)

digestive system

c)

excretory system

d)

nervous system

38.

Skin cells and liver cells contain different sets of enzymes. Which of the following conclusions can be made based on this information?

a)

Skin cells and liver cells have different numbers of mitochondria.

b)

Skin cells and liver cells can contain different numbers of chromosomes.

c)

Skin cells and liver cells have different cell membrane compositions.

d)

Skin cells and liver cells can perform different chemical reactions.

39.

In which of the following ways does the plasma membrane regulate the entry of molecules into a cell?

a)

The membrane allows only certain molecules to move into the cell.

b)

The membrane destroys most molecules so that they do not enter the cell.

c)

The membrane changes only certain molecules into ions before they move into the cell.

d)

The membrane allows most molecules to transfer energy to the cell without entering the cell.

40.

Which of the following is a polymer made of amino acids?

a)

triglyceride

b)

polysaccharide

c)

polypeptide

d)

phospholipid

41.

Identify the microscopic creature shown

a)

eukaryote

b)

prokaryote

c)

virus

42.

Identify the microscopic creature shown

a)

eukaryote

b)

prokaryote

c)

virus

43.

Identify the microscopic creature shown

a)

Eukaryote

b)

Prokaryote

c)

virus

44.

The purpose of mitosis is to create two, ___ cells.

a)

identical

b)

different

c)

smaller

45.

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?

a)

chromosomes line up in the middle of the cell

b)

sister chromatids are pulled apart

c)

two new nuclei are formed

d)

the DNA is replicated

46.

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.

a)

growth, dna replication

b)

life, dna replication

c)

dna replication, respiration

d)

dna replication, mating

47.

A human body cell has 46 chromosomes. Which diagram represents mitosis in a human body cell?


a)
b)
c)
d)
48.

A molecule of ATP is shown in the diagram below with adenine, ribose and three phosphates.

a)

energy is released

b)

glucose is produced

c)

chemical energy is captured

d)

light is absorbed

49.

When cell division goes out of control and cells are dividing continuously without growing or performing their normal functions what does this cause?

a)

Cancer

b)

Interphase

c)

Cytokinesis

d)

Apoptosis

50.

In cats, yellow eyes (E) are dominant and green eyes (e) are recessive. Where is the genetic information for the cat located?

a)

the nucleus

b)

the cytoplasm

c)

the membrane

d)

the lysosome

51.

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?

a)

25%

b)

50%

c)

75%

d)

100%

52.

Every somatic (body) cell in a human has how many chromosomes?

a)

46

b)

23

c)

2

d)

100

53.

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)

a protist

b)

bacterium

c)

a virus

d)

a fungus

54.

In the process of photosynthesis, sunlight is converted into


a)

chemical energy.

b)

nuclear energy.

c)

mechanical energy.

d)

kinetic energy.

55.

Polysaccharides are made of

a)

monosaccharides

b)

fatty acids

c)

amino acids

d)

nucleotides

56.

Polypeptides are made of

a)

monosaccharides

b)

fatty acids

c)

amino acids

d)

nucleotides

57.

Nucleic acids are made of

a)

monosaccharides

b)

fatty acids

c)

amino acids

d)

nucleotides

58.

Triglycerides

a)

Monosaccharides

b)

Fatty acids

c)

Amino acids

d)

Nucleotides

59.

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?


a)

the size of each body cell

b)

the number of cells in its body

c)

the amount of energy in its cells

d)

the collection of water in each cell

60.

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?

a)

polysaccharides

b)

proteins

c)

nucleotides

d)

lipids

61.

The cell cycle describes the processes that take place as a cell


a)

absorbs nutrients.

b)

makes proteins.

c)

repairs old cells.

d)

forms new cells.

62.

Multicellular organisms grow in size by producing more


a)

cells.

b)

organs.

c)

heart muscle.

d)

chlorophyll.

63.

Which is the result of mitosis?


a)

two identical nuclei

b)

four unique cells

c)

a decrease in genes

d)

a new protein

64.

As a corn plant ages, its leaves grow. Which process is directly responsible for the growth of these leaves?


a)

the division of cells in the plant

b)

the release of oxygen from the plant

c)

the absorption of carbon dioxide in the stem

d)

the transportation of nutrients from the roots

65.

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?


a)

four red flowers

b)

four pink flowers

c)

two red flowers and two pink flowers

d)

two white flowers and two pink flowers

66.

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.

a)

dominant

b)

heterozygous

c)

homozygous

d)

recessive

67.

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.

a)

heterozygous

b)

homozygous

68.

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?


a)

25% gray, 75% ebony

b)

50% gray, 50% ebony

c)

100% ebony

d)

100% gray

69.

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.

a)

fertilization

b)

meiosis

c)

crossover

d)

mitosis

70.

A diagram of a plant cell is shown.

What process is shown in the diagram?


a)

meiosis

b)

mitosis

c)

respiration

d)

mutation

71.

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)
b)
c)
d)
72.

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?


a)

0%

b)

50%

c)

75%

d)

100%

73.

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?


a)

Cc or cc

b)

CC or Cc

c)

CC only

d)

Cc only

74.

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?


a)

WW or ww

b)

WW or Ww

c)

WW only

d)

Ww only

75.

Shaded individuals in this pedigree express a particular trait.Based on this pedigree, what is the mode of inheritance of the trait?


a)

autosomal dominant

b)

autosomal recessive

c)

sex-linked dominant

d)

sex-linked recessive

76.

What role do plants have in the carbon cycle?

a)

use water and release carbon

b)

use sugar and release carbon

c)

use carbon and release oxygen

d)

use carbon and release nitrogen

77.

In the process of photosynthesis, sunlight is converted into


a)

chemical energy.

b)

nuclear energy.

c)

mechanical energy.

d)

kinetic energy.

78.

If a single-celled organism that uses photosynthesis has its source of light removed, it will


a)

grow in size.

b)

produce less energy.

c)

divide repeatedly.

d)

generate more waste.

79.

What products are produced during photosynthesis?


a)

chloride and sugar

b)

oxygen and sugar

c)

nitrogen and sugar

d)

carbon dioxide and sugar

80.

Which element below is found in the smallest quantity in MOST living things?


a)

iron

b)

carbon

c)

nitrogen

d)

hydrogen

81.

During photosynthesis, plants convert sunlight into what substance to be used for energy?


a)

oxygen

b)

carbon dioxide

c)

iron sulfide

d)

glucose

82.

Which of these has the general chemical formula CH2O?

a)

proteins

b)

lipids

c)

carbohydrates

d)

steroids

83.

The following reaction occurs in plants.


CO2+water + sunlight→O2+water+sugar

This reaction is beneficial to plants because it

a)

results in a net increase in the mass of the atoms.

b)

produces chemical building blocks for proteins.

c)

keeps ultraviolet light from damaging their cells.

d)

provides chemical energy to the cells.