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Living Environment Regents 2

Total questions: 121

Worksheet time: 1hrs 28mins

Name
Class
Date
1.

Rejection of a newly transplanted organ is caused by

a)

the immune system reacting to the presence of the organ

b)

antibiotics that stimulate the immune system to attack the organ

c)

inheritance of genetic disorders from infected individuals

d)

development of cancerous cells in the organ

2.

As blood glucose levels increase, hormones are released to return glucose levels to normal. This is an example of

a)

a nervous system disorder

b)

the synthesis of antibodies

c)

a stimulus and a response

d)

an antigen and antibody reaction

3.

Which statement describes a failure of homeostasis in humans?

a)

When activity in an individual increases, the body temperature rises and the individual sweats.

b)

As the concentration of carbon dioxide increases in the human body, the lungs begin to expel more carbon dioxide.

c)

A viral infection leads to a decrease in the number of white blood cells being produced in the body.

d)

After an individual gets a cut, certain chemical changes begin the healing process.

4.

Which biological process is represented in the diagram below?

a)

photosynthesis

b)

respiration

c)

digestion

d)

replication

5.

The diagram below shows specialized plant cells that control openings called stomates. The proper function of these cells is vital to the survival of the plant because they regulate the

a)

rate of glucose use by root cells

b)

absorption of sunlight by leaf cells

c)

products of photosynthesis in the stem

d)

exchange of gases in leaves

6.

Substance X directly supplies energy for various life functions, as shown in the diagram below. Which substance is represented by X in the diagram?

a)

ATP

b)

DNA

c)

starch

d)

glucose

7.

The structural formulas shown below represent parts of two different complex carbohydrate molecules composed of glucose subunits. Molecules 1 and 2 differ in their overall structure. Due to the differences in structure, each of these molecules most likely

a)

is composed of different molecular bases

b)

forms a different protein

c)

contains different elements

d)

performs a different function

8.

To capture their prey, spiders have fangs, which pierce the body wall of insects and inject venom. Spider venoms usually contain specific proteins that attack the cell membranes of the prey. The membranes and most of the contents of the insect’s body turn into a liquid that the spider then ingests for food. These specific venom proteins are most likely

a)

ATP molecules

b)

DNA molecules

c)

biological catalysts

d)

regulatory hormones

9.

Lymphatic capillaries are found throughout the body. Both the lymphatic and circulatory systems transport substances between the bloodstream and body tissues. These two systems are also involved in fighting infections. The arrows shown in the diagram that go from the blood capillaries to the interstitial fluid most likely represent the

a)

release of red blood cells, so that they can diffuse into body cells and fight bacteria

b)

movement of materials from the circulatory system that will eventually enter lymphatic capillaries

c)

transport of digestive enzymes from the blood to help with the digestion of glucose in muscle cells

d)

transport of glucose molecules from the blood to be used by cells to attack proteins and fats

10.

Doctors often use certain medications to treat infections. A few people have a reaction to some of these medications, such as itching, swelling, or trouble breathing. This is an example of

a)

using antibodies to cure a medical problem

b)

the body’s immune system overreacting to a usually harmless substance

c)

the body creating a mutation to fight unknown pathogens

d)

a vaccine causing the body to produce antigens against the infection

11.

A small lizard spends the morning hours lying in the sunlight until its body temperature rises. Later on in the day, the lizard rests in a shady area until its body temperature cools. This type of behavior is important to

a)

maintain homeostasis

b)

detect variations

c)

attract mates

d)

obtain nutrients

12.

The Venus flytrap is a plant that has a unique system by which it traps and breaks down its prey. Unsuspecting insects land on the leaf and touch tiny hairs located on the leaf, triggering the leaf to close around the prey. The substance responsible for breaking down the Venus flytrap’s prey most likely contains

a)

chlorophyll molecules

b)

glucose molecules

c)

hormone molecules

d)

enzyme molecules

13.

It may be harmful when people compete to see who can hold their breath the longest under water. Without oxygen, brain cells

a)

cannot make enough ATP

b)

have too few mitochondria

c)

make too many enzymes

d)

have too much water

14.

Students did an experiment comparing the activity of four different enzymes, A, B, C, and D. The results are represented in the graph below. A valid conclusion based on the information in the graph is that

a)

the pH of some enzymes changes as the temperature changes

b)

enzymes change color in proportion to the rate of activity

c)

a difference in the pH of an environment changes enzyme activity

d)

enzyme activity causes acids to change into bases over time

15.

The diagram below represents changes that take place within the human body. The diagram represents

a)

cellular differentiation

b)

dynamic equilibrium

c)

gene interaction

d)

biological evolution

16.

Sailors in the past may have heard the greeting from a passing ship, “Avast ye scurvy dogs.” This greeting would be a reference to a disease known as scurvy, which is due to inadequate intake of vitamin C. Which row in the chart below correctly identifies the cause of this disease and a possible treatment for it?

a)

Row 1

b)

Row 2

c)

Row 3

d)

Row 4

17.

In the 1660s, Flemish physician Jan van Helmont grew a small willow tree in a pot of soil. He added only water to the pot. At the end of five years, he found that the tree had gained 75 kilograms, but there was very little change in the mass of the soil. Van Helmont concluded that the plant gained weight directly from the water. We now know that this conclusion is only partially correct because, in addition to water, photosynthesis also requires

a)

oxygen from the atmosphere

b)

carbon dioxide from the atmosphere

c)

proteins from animal prey

d)

carbohydrates from the soil

18.

Doctors sometimes use a vaccine to prepare the body to defend itself against future infections. These vaccines most often contain

a)

antibodies

b)

antibiotics

c)

white blood cells

d)

weakened pathogens

19.

Anhidrosis is the inability to sweat normally. If the human body cannot sweat properly, it cannot cool itself, which is potentially harmful. Anhidrosis most directly interferes with

a)

a feedback mechanism that maintains homeostasis

b)

an immune system response to harmless antigens

c)

the synthesis of hormones in the circulatory system

d)

the enzymatic breakdown of water in cells

20.

Carmine, a compound that comes from the cochineal beetle, shown below, is used as a food coloring. The food coloring is not harmful to most people, but in a small number of individuals, it causes a reaction and affects their ability to breathe. This response to carmine is known as

a)

a stimulus

b)

an allergy

c)

natural selection

d)

an adaptation

21.

What term is used to describe the living components of an ecosystem?

a)

Abiotic

b)

Biotic

c)

aerobic

d)

anaerobic

22.

What occurs in the organelle that looks like this?

a)

Break down excess or worn-out cell parts.

b)

Helps process and package proteins and lipid molecules

c)

Production of Ribosomes

d)

Production of Energy

23.

What form is energy made in?

a)

ATP

usable

b)

Lithium

transportable

c)

Fat

storable

24.

What direction does a microscope turn the object you are viewing?

a)

Forward

b)

Inside out

c)

Backwards and upside down

d)

Sideways

25.

What is the substance the enzyme works on called?

a)

Substrate

b)

Product

c)

Active Site

d)

Complex

26.

Name the most important inorganic compound to living things…

a)

Carbon Dioxide

b)

Oxygen

c)

Glucose

d)

Water

27.

How should the control group be treated differently than the experimental group?

a)

The control group gets double the variable.

b)

Both groups should be exactly the same EXCEPT for the variable. The control group doesn’t get the variable.

c)

The control group gets half the variable.

28.

If a 20% salt solution is put into dialysis tubing & added to a beaker of distilled water - what way will the water move?

a)

The water will move into the cell / dialysis tubing.

b)

Into the beaker

29.

What term defines a cell without a nucleus?

a)

Dead

b)

Virus

c)

Prokaryote / prokaryotic

d)

Eukaryote /

eukaryotic

30.

A cell maintains life by undergoing ….

a)

Metabolic (life) functions

b)

Homeostasis

c)

Mitosis

d)

Budding

31.

What part of a plant cell allows them to make their own food?

a)

Chloroplast

b)

Golgi Body

c)

Rough Endoplasmic Reticulum

d)

Mitochondria

32.

What molecule has the instructions (blueprint) for the cell?

a)

ATP

b)

RTI

c)

DNA

33.

Name the building block of a starch

a)

Polysaccharide

b)

Monosaccharide

c)

Amino Acid

d)

Lipid

34.

If a segment of DNA is ATCGA what would its complement be?

a)

UAGCU

b)

TAGCT

35.

What organism is an ecosystem that would be most affected by a decrease in CO2?

a)

Bacteria

b)

Consumers

c)

Green Plants/Algae

d)

Humans

36.
Proteins are composed of what smaller building blocks?
a)
amino acids
b)
nucleic acids
c)
fatty acids
d)
nucleotides
37.

Based on the graph, what is the optimum temperature for this enzyme? 

a)
15 C
b)
40 C
c)
30 C
38.
What happens when enzymes are heated to a high temperature?
a)
The enzymes die.
b)
The shapes of the enzyme are altered or denatured
c)
The enzymes' amino acid sequence changes.
d)
The enzymes remain the same
39.
Enzymes are
a)
nucleic acids
b)
proteins
c)
lipids
d)
carbohydrates
40.

Which is the strongest acid?

a)

ph of 1

b)

ph of 4

c)

ph of 7

d)

ph of 9

41.
DNA and RNA are two types of
a)
proteins
b)
lipids
c)
carbohydrates
d)
nucleic acids
42.

Which is the initial color of starch indicator solution?

a)

blue

b)

yellow/brownish orange

c)

amber

d)

blue-black

43.

In our diffusion lab, what happened to the “cell” that contained starch solution after 20 minutes?

a)

The contents of the dialysis tube turned blue-black.

b)

The liquid in the beaker would turn blue-black.

c)

The dialysis tube would burst.

d)

There would be no change.

44.

When a cell shrinks in size, what type of solution was added to it?

a)

Salt solution

b)

Tap water

c)

distilled water

d)

iodine solution

45.
Cell membranes are said to be selectively permeable. Which statement best explains what selectively permeable means?
a)
The cell membrane prevents any harmful substance from entering the cell.
b)
The cell membrane lets certain substances enter the cell and keeps certain substances out of the cell.
c)
The cell membrane allows only large molecules to diffuse into the cell.
d)
The cell membrane has pores that let only water and glucose into the cell and carbon dioxide out.
46.
Base your answer to the question on the diagram below and on your knowledge of biology. The diagram represents two solutions, A and B, separated by a selectively permeable membrane. Which statement best describes the outcome after 20 minutes?
a)
Solution A will contain approximately the same number of glucose molecules as solution B.
b)
Solution A will contain all of the water molecules.
c)
Solution B will remain unchanged.
d)
Solution B will lose all of the glucose molecules to solution A.
47.
The diagram below represents a cell in water.  Formulas of molecules that can move freely across the cell membrane are shown.  Some molecules are located inside the cell and others are in the water outside the cell.

Based on the distribution of these molecules, what would most likely happen after a period of time?
a)
The concentration of O2 will increase inside the cell.
b)
The concentration of CO2 will remain the same inside the cell.
c)
The concentration of O2 will remain the same outside the cell.
d)
The concentration of CO2 will decrease outside the cell.
48.
A substance is most likely to diffuse into a cell when
a)
it is a large organic food molecule such as protein or starch
b)
it is enclosed in an organelle such as a vacuole
c)
the concentration of the substance is greater outside the cell than inside
d)
the pH of the substance is greater than the pH of the cellListen
49.
The diagram below shows the relative concentration of molecules inside and outside of a cell.

Which statement best describes the general direction of diffusion across the membrane of this cell?
a)
Glucose would diffuse into the cell.
b)
Protein would diffuse out of the cell.
c)
Oxygen would diffuse into the cell.
d)
Carbon dioxide would diffuse out of the cell.
50.

If an DNA sequence reads AGGCTA then the mRNA sequence would read

a)

TCCGAT

b)

UGGCUA

c)

UCCGAU

51.

What is the total magnifications of a microscope on high power (40x) if the eyepiece is 10x?

a)

40x

b)

400x

c)

4000x

d)

4x

52.

What process requires energy?

a)

active transport

b)

osmosis

c)

diffusion

d)

passive transport

53.

creating large, complex molecules by combining smaller molecules is referred to as ____

a)

excretion

b)

transport

c)

synthesis

d)

homeostasis

54.

A solution with a pH of 9 is a(n) ___.

a)

Acid

b)

Base

55.

Organic compounds such as starch are too ___ to fit though the cell membrane. They must be digested into ___ before they can be absorbed

a)

Big

simple sugars

b)

Big

amino acids

c)

small

amino acids

d)

Big

fatty acids

56.

Research has shown that treadmill training increases the number of certain energy-releasing structures in the brain cells of rats. The cellular structures referred to in this study are most likely

a)

mitochondria

b)

nuclei

c)

vacuoles

d)

ribosomes

57.

Which process must first take place in order for the proteins in foods to be used by body cells?

a)

digestion

b)

storage

c)

synthesis

d)

excretion

58.

The diagram below represents the formation of a cancerous growth. Which statement best explains the events represented in this diagram?

a)

A gene mutation caused the cells to become muscle cells.

b)

The growth resulted from the introduction of a vaccine.

c)

A gene mutation caused abnormal mitotic cell division.

d)

The growth resulted from uncontrolled meiotic cell division.

59.

Which statement best explains why different body cells of the same individual look and function differently?

a)

Each cell contains different genes.

b)

Different genes are activated in different kinds of cells.

c)

Cells are able to change to adapt to their surroundings.

d)

Half of the genes in the cells came from the mother and half from the father.

60.

The development of organs and tissues from a zygote includes

a)

mitosis and differentiation

b)

mitosis and gamete production

c)

meiosis and gamete production

d)

meiosis and fertilization

61.

An ameba is a single-celled organism. It uses its cell membrane to obtain food from its environment, digests the food with the help of organelles called lysosomes, and uses other organelles to process the digested food. From this, we can best infer that

a)

all single-celled organisms have lysosomes to digest food

b)

amebas are capable of digesting any type of food molecule

c)

single-celled organisms are as complex as multicellular organisms

d)

structures in amebas have functions similar to organs in multicellular organisms

62.

The process of transferring energy during respiration occurs in a series of steps. This prevents too much heat from being released at one time. Maintaining an appropriate temperature is beneficial to an organism because

a)

enzymes need a proper range of temperatures to catalyze vital reactions

b)

cellular waste products can only be excreted in cooler temperatures

c)

hormones can only produce antibodies if temperatures are not excessive

d)

nutrients diffuse faster into cells when temperatures are lower

63.

Fruits and vegetables exposed to air begin to brown because of a chemical reaction in their cells. This may result in these foods being thrown out. Some people have found that adding lemon juice (citric acid) to apple slices keeps them from turning brown. The prevention of browning is likely the result of

a)

increasing the concentration of enzymes

b)

increasing the temperature

c)

slowing the rate of enzyme action

d)

maintaining the pH

64.
Which sequence of terms is in the correct order from simplest to most complex?
a)
cells --> tissues--> organs -->> organ systems
b)
tissues --> organisms --> cells --> organ systems
c)
cells --> tissues --> organ systems --> organs
d)
organs --> organisms --> organ systems --> cells
65.
The diagram represents levels of organization in living things.
Which term would best represent X?
a)
stomach
b)
organelle
c)
tissue
d)
human
66.
The chart below lists substances involved in the process of photosynthesis.
Which statement best describes how these substances interact in photosynthesis? 
a)
A and B combine to produce C and D.
b)
 C and D combine to produce A and B. 
c)
B and C combine to produce A and D. 
d)
A and C combine to produce B and D.
67.
The graph activity of which enzyme decreases in both acidic and basic environments? 
a)
chymotrypsin
b)
cholinesterase
c)
pepsin
d)
papain
68.

There are over 2000 kinds of edible insects in the world, and they are becoming an increasingly popular source of protein. One cup of cricket flour contains over 28 grams of protein. The building blocks of the protein in cricket flour are

a)

water

b)

amino acids

c)

carbohydrates

d)

simple sugars

69.

Protein synthesis is accomplished primarily by the interaction of which two cell structures?

a)

nuclei and ribosomes

b)

nuclei and mitochondria

c)

vacuoles and mitochondria

d)

ribosomes and vacuoles

70.

Traits are passed from parents to offspring. These traits are determined by

a)

genes, located on chromosomes, found in the nucleus

b)

chromosomes, located on genes, found in the ribosomes

c)

genes, located on chromosomes, found in the ribosomes

d)

chromosomes, located on genes, found in the nucleus

71.

Some viruses attack cells by attaching to their outer covering, entering, and taking over their genetic “machinery.” Viruses are able to invade cells after first attaching to their

a)

nuclear membrane

b)

genetic machinery

c)

cell membrane

d)

viral proteins

72.

A vaccine contains...

a)

cow pox

b)

a small amount of the pathogen that is weakened or dead

c)

a large amount of the pathogen

d)

small pox

73.
Disease-causing microorganism, such as a bacterium or virus.
a)
pathogen 
b)
allergen
c)
prion 
d)
antigen 
74.
Caffeine is a compound found in the seeds of many different plants, such as coffee beans, cola nuts, and cacao beans (the source of chocolate). The presence of this chemical in all three types of plants suggests that these plants
a)
inherited identical mutations
b)
share a common ancestry
c)
were exposed to the same type of radiation in the past 
d)
were cloned from a caffeine plant
75.
The corn we eat today is larger and has more kernels than the corn people first grew thousands of years ago. Which process is most likely responsible for the changes that have occurred? 
a)
mitosis
b)
direct harvesting
c)
succession
d)
selective breeding
76.
Which substance is an inorganic molecule?
a)
water
b)
starch
c)
DNA
d)
fat
77.
The technique used to separate the DNA for analysis is 
a)
genetic engineering
b)
chromatography
c)
electrophoresis
d)
protein synthesis
78.
This part of the experiment serves as a basis of comparison; the one variable being tested has been omitted. 
a)
experimental group
b)
control group
c)
data
d)
variables
79.
A __________ includes all living and non-living things in an environment. 
a)
population
b)
niche
c)
abitotic
d)
ecosystem
80.
Which group do fungi, bacteria, and termites belong to?
a)
decomposers
b)
producers
c)
herbivores
d)
omnivores
81.
Which organism make their own food through the process of photosynthesis? 
a)
decomposer
b)
consumer
c)
herbivore
d)
producer 
82.
the process by which a new community forms where no community lived before 
a)
resource
b)
invasive (non- native) species
c)
primary succession
d)
competition
83.
Continued depletion of the ozone layer will most likely result in
a)
an increase in skin cancer among humans 
b)
a decrease in atmospheric pollutants 
c)
an increase in marine ecosystem stability 
d)
a decrease in climatic changes
84.
The average temperature of the surface of Earth has increased approximately 1°C in the past century. Which reason best explains this increase in temperature?
a)
lower levels of ozone in the atmosphere
b)
lower levels of nitrogen in the atmosphere
c)
higher levels of carbon dioxide in the atmosphere
d)
higher levels of oxygen in the atmosphere
85.
An error in DNA copying that results in a new trait
a)
Homeostasis
b)
Mutation
c)
Natural Selection
d)
Selective Breeding
86.
What process is being shown in this image?
a)
Variation
b)
Natural Selection
c)
Selective Breeding
d)
Homeostasis
87.

If body temperature is too high, some blood vessels increase in size and sweat glands will excrete sweat, resulting in a lower body temperature. These changes are an example of

a)

a learned behavior

b)

feedback mechanisms

c)

an inherited disorder

d)

genetic mutations

88.

Which process must first take place in order for the proteins in foods to be used by body cells?

a)

digestion

b)

storage

c)

synthesis

d)

excretion

89.

Which statement is characteristic of reproduction in humans?

a)

The reproductive cells of males and females differ in chromosome number.

b)

Males and females produce gametes in the ovaries.

c)

Males and females produce the same number of gametes.

d)

The reproductive cycles of males and females are regulated by hormones.

90.

The diagram below represents the formation of a cancerous growth. Which statement best explains the events represented in this diagram?

a)

A gene mutation caused the cells to become muscle cells.

b)

The growth resulted from the introduction of a vaccine.

c)

A gene mutation caused abnormal mitotic cell division

d)

The growth resulted from uncontrolled meiotic cell division.

91.

A diagram of the female reproductive system is shown below. Identify the structure within which the egg cell is normally fertilized.

a)

A

b)

B

c)

C

d)

D

92.

Five different living organisms are represented below. Which statement about the organisms represented above is correct?

a)

All of the organisms are autotrophs.

b)

Only the flowering plant, green heron, and aquatic plant carry out photosynthesis.

c)

Only the frog and green heron can maintain homeostasis

d)

All of the organisms pass on traits through reproduction.

93.

Mistletoe is an evergreen shrub that can produce most of its own food. Often, mistletoe can be found living on trees and taking water and nutrients away from the tissues of the trees. The relationship between mistletoe and trees is an example of

a)

consumer/herbivore

b)

predator/prey

c)

scavenger/decomposer

d)

parasite/host

94.

The diagram below represents an important biological technique scientists rely on to produce replacement hormones. Which two processes are required for the technique to successfully produce hormones?

a)

replication of DNA in bacterial cells and cell division

b)

replication of DNA in bacterial cells and gamete formation

c)

meiosis and development

d)

mitosis and fertilization

95.

Research has shown that treadmill training increases the number of certain energy-releasing structures in the brain cells of rats.The cellular structures referred to in this study are most likely

a)

mitochondria

b)

nuclei

c)

vacuoles

d)

ribosomes

96.

In an effort to reduce the number of deaths due to malaria, scientists have successfully introduced a gene into mosquitoes. The gene makes the mosquitoes unable to support development of the parasite that causes malaria. The technique used to produce this new variety of mosquito is most likely

a)

chromotography

b)

genetic engineering

c)

electrophoresis of genes

d)

selective breeding

97.

Acid rain is a major problem in the Adirondack Mountains. Evidence that acid rain negatively affected the Adirondack ecosystem is that

a)

this rain has increased the amount of water in Adirondack lakes

b)

there has been a decrease in the variety of fish found in Adirondack lakes

c)

the amount of carbon dioxide in the air over the Adirondack Mountains has drastically decreased in recent years

d)

the number of heterotrophic organisms in Adirondack lakes has increased

98.
How can you make an experiment more valid?
a)
Increase the sample size
b)
Repeat the experiment
c)
Add more trials 
d)
All of the above 
99.

The following events occur during sexual reproduction:

A. mitosis

B. meiosis

C. fertilization

D. birth

Which sequence represents the correct order of these events during sexual reproduction?

a)

A → C → B → D

b)

B → C → A → D

c)

C → B → A → D

d)

B → A → C → D

100.
Students in a science class took their pulse rates before and after they ran in place for one minute. The class data showed that pulse rates increased with exercise. A graph of the data would look most like (SEE DIAGRAM)
a)
1
b)
2
c)
3
d)
4
101.

Which two systems work together to maintain homeostasis while transporting oxygen throughout the body and removing carbon dioxide?

a)

circulatory and respiratory

b)

respiratory and excretory

c)

circulatory and digestive

d)

respiratory and digestive

102.

If there are 12 bases - how many amino acids will you get?

DNA - ATC GTC GTA CGT

     RNA - UAG/ CAG/ CAU /GCA

     AA -   AA 1  AA 2  AA 3   AA 4

  - use the amino acid wheel to identify which ones

a)

23

b)

4

c)

46

d)

120

103.

Lower power has a larger _________ so you see ________ organism/objects.

a)

Field of view /  less

b)

Microscope / bigger

c)

Field of view /  more 

d)

Ocular / more

104.

What type of organic compound are enzymes?

(SHAPE)

a)

Carbohydrates

b)

Lipids

c)

Nucleic Acids

d)

Enzyme

105.

Where does protein synthesis occur in the cell?

a)

Ribosome

b)

Cytoplasm

c)

Vacuole

d)

Golgi Body

106.

What process makes substances move with the concentration gradient?

(Make no confusion it must be _____. which way does it go? From high to low)

a)

Osmosis

b)

Active Transport

c)

Diffusion

d)

Contractile Vacuole

107.

How is the control group treated differently than the experimental group?

a)

The control group has multiple variables.

b)

The control gets half the variable.

c)

The control groups gets twice the of variable.

d)

The control group does not get the variable

108.

Put the following in order of increasing: centimeter, millimeter, meter, micrometer.

a)

Millimeter, micrometer,

meter, centimeter

b)

Micrometer, millimeter, centimeter,

meter

c)

Meter,

millimeter, centimeter, micrometer

d)

Centimeter, millimeter, micrometer,

meter

109.

What axis (x or Y) does the dependent variable go on?

a)

x axis

b)

y axis

110.

What term describes the sum of all life functions?

a)

Mitosis

b)

Homeostasis

c)

Metabolism

d)

Biology

111.

Convert 3.5 cm to mm.

3.5 cm = ___ mm

a)

3.5mm

b)

0.0035mm

c)

300mm

d)

35mm

112.

What life function is defined by control and coordination?

a)

Growth

b)

Fertilization

c)

Regulation

113.

What is needed to make experimental results valid?

a)

Do multiple tests

Have a large sample size

b)

Do a couple tests with different sample sizes

c)

One successful test with a small sample size

d)

A couple successful tests with published results

114.

Multi-cellular organisms use organs to carry out life functions.

What do unicellular organisms use?

a)

Organ tissue

b)

Body cells

c)

Organelles

d)

Autosomal chromosomes

115.

What direction does a microscope turn the object you are viewing?

a)

Upside down

and

backwards

b)

Sideways

c)

Right side up

and

forwards

d)

Tilted

and

backwards

116.

Why does an object appear larger under high power?

a)

Larger field of view

Lower magnification (x10)

b)

Smaller field of view

Lower magnification (x10)

c)

Larger field of view

Higher magnification (x40)

d)

Smaller field of view

Higher magnification (x40)

117.

Convert 8.6 cm to millimeters

a)

860 mm

b)

86 mm

c)

0.86 mm

118.

Chromosome mutations can usually be seen in the __________.

a)

Phenotype

b)

Genotype

c)

Genome

d)

DNA

119.

A section of DNA on a chromosome makes up a ____________.

a)

Nucleic Acid

b)

Nucleotide

c)

DNA

d)

Gene

120.

Predicting values that fall within the range of data points taken

a)

Extrapolate

b)

Interpolate

121.

Predicting the data point outside of the data given.

a)

Interpolate

b)

Extrapolate

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