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Science 7 Fall Exam Practice

Total questions: 106

Worksheet time: 2hrs 9mins

Name
Class
Date
1.

Which of the following are true?

a)

All cells come from other cells.

b)

Cells are the basic building blocks of life.

c)

All organisms are composed of one or more cells.

d)

All of the above are true.

2.

Which statement of levels of organization from simplest to most complex?

a)

cells, tissue, organs, organ system, organisms

b)

organisms, organ system, organs, tissue, cells

c)

organ, cells, tissue, organ system, organisms

d)

tissue, cells, organ system, organism, organ

3.

Through which cell structure does waste exit the cell?

a)

Vacuole

b)

Nucleus

c)

Cell Membrane

d)

Endoplasmic Reticulum

4.

Makes energy for the cell

a)

Cytoplasm

b)

Nucleus

c)

Mitochondria

d)

Ribosome

5.

Genetic material is located here

a)

Mitochondria

b)

Vacuole

c)

Nucleus

d)

Cytoplasm

6.
What are organs made of?      7.12C
a)
Tissues
b)
Organisms
c)
Organelles
d)
Chemical energy
7.
Which of the following is NOT one of the three parts of Cell Theory?
a)
All living things are made of cells.
b)
The cell is the smallest living thing that can perform all the functions of life.
c)
Cells are too small to see without a microscope.  
d)
All cells must come from pre-existing cells.
8.
When many organ systems work together it can form...
a)
organ
b)
cells
c)
organ system
d)
organism 
9.

The primary function of the chloroplast is to

a)

convert food into energy a cell can use

b)

control the functions of a cell and control genetic traits

c)

convert radiant energy into chemical energy through photosynthesis

d)

store water and nutrients

10.
stiff, protective outer layer of plant cells
a)
cell membrane
b)
nuclear membrane
c)
cell wall
d)
cytoplasm
11.

Leaves are made up of vascular tissue. What level of organization describe leaves?

a)

Tissue

b)

Organ

c)

organ system

d)

organism

12.
Which of the following is the smallest unit of life that can carry out all life functions?
a)
the mitochondria
b)
the vacuoles
c)
the nucleus
d)
the cell
13.
Cells with a nucleus and membrane-bound organelles are called ____________________.
a)
prokaryotes
b)
eukaryotes
c)
bacteria
d)
protists
14.
Rocks are not living because
a)
they never move
b)
they aren't needed for humans
c)
they are not made of cells
d)
they don't break down
15.
Bacteria is what kind of cell?
a)
Eukaryotic
b)
Prokaryotic
16.
What is unicellular? 
a)
one cell 
b)
many cells 
c)
no nuclues 
d)
DNA 
17.
What is multicellular? 
a)
one cell 
b)
no cells 
c)
many cells 
d)
no nucleus 
18.
Which type of cell?
a)
Prokaryote
b)
Eukaryote
c)
Mixed
19.
Which type of cell?
a)
Prokaryote
b)
Eukaryote
20.
Organisms that make their own food are _________________________ and include things like ___________________.
a)
organized, bacteria
b)
autotrophic, plants
c)
heterotrophic, mushrooms
d)
autotrophic, mushrooms
21.
Organisms that consume other organisms are _________________________ and include things like _________________________.
a)
Heterotrophic, mushrooms
b)
Autotrophic, animals
c)
Heterotrophic, plants
d)
Autotrophic, mushrooms
22.
Unique organisms created by two parents were produced by _______________________ reproduction.
a)
Asexual
b)
Sexual
23.
Organisms that reproduce _____________ have only ONE parent.
a)
Sexually
b)
Asexually
24.

If you increase the amount of spinach you eat, then you will increase the iron in your blood.

What's the dependent variable?

a)

increase the amount of iron in your blood

b)

spinach you eat

c)

the amount of proteins you burn

d)

the amount of oxygen you inhale

25.
Plants need ________from the air for photosynthesis
a)
oxygen
b)
soil
c)
carbon dioxide
d)
sugar
26.
The products of photosynthesis are
a)
water and carbon dioxide
b)
oxygen and water
c)
sugar and cabon dioxide
d)
oxygen and sugar (glucose)
27.

What is cellular respiration?

a)

the breakdown of glucose to release ATP

b)

the breakdown of glucose to release carbon

c)

the breakdown of glucose to release oxygen

d)

the breakdown of glucose to release amino acids

28.
Where do plants receive the energy necessary to carry out photosynthesis?
a)
Heat from the sun
b)
Gamma radiation
c)
Light from the sun
d)
Wind
29.
What are the characteristics of all living things?
a)
All living things get and use food, move, grow, reproduce, and respond to their environment.
b)
All living things have brain
c)
All living thing move to one place to another
d)
All living things can talk
30.
Living things produce other like living things by ____________?
a)
spontaneous generation
b)
reproduction
c)
transfer of energy
d)
mutation
31.
Reproduce means
a)
to make more of the same kind
b)
make more vegetables and fruit
32.

What was Charles Darwin's main contribution to science?

a)

He was the first person to think of the idea of evolution.

b)

He developed the modern theory of natural selection.

c)

He refuted the modern theory of evolution.

d)

He was the first person to actually witness animals evolving.

33.
The process by which organisms with variations most suited to their local environment survive and leave more offspring.
a)
Natural Selection
b)
Artificial Selection
c)
Speciation
d)
Genetic Drift
34.
Which of the following means "change over time"
a)
natural selection
b)
speciation
c)
evolution
d)
isolation
35.
Why are advantageous traits more likely to be passed on to the offspring?
a)
Because parents with those traits can teach their offspring
b)
Because parents with those traits can surive and reproduce better
c)
Because parents with those traits care more about their offspring
36.

______ is the death of the last member of a species

a)

Speciation

b)

Convergent evolution

c)

Extinction

d)

Embryology

37.
An inherited trait that helps those organisms that have it to survive
a)
niche
b)
structure
c)
characteristic
d)
adaptation
38.
Coloring or another physical characteristic that help an organism blend in with its environment
a)
mimicry
b)
camouflage
c)
hibernation
d)
migration
39.
A wasp beetle has the same body markings as a wasp.  this helps the wasp beetle because predators think it's a wasp.  This adaptation is called...?
a)
behavior
b)
countershading
c)
camouflage
d)
mimicry
40.

physical features organisms have that increase their chance of survival

a)

behavioral adaptations

b)

structural adaptations

c)

functional adaptation

41.

When humans select for desirable traits in agricultural products or animals, rather than leaving the species to evolve and change gradually without human interference, like in natural selection.

a)

Natural Selection

b)

Artificial Selection

c)

Agricultural Bredation

d)

Human Selected Traits

42.

Which of these is true?

a)

We have never seen evolution occur

b)

We have seen evolution occur

43.

Where those organisms that adapt best survive most

a)

embryology

b)

sedimentary rock

c)

natural selection

d)

variation

44.

Rock most likely to contain fossils?

a)

evolution

b)

punctuated equilibrium

c)

sedimentary rock

d)

natural selection

45.

Group of organisms with similar characteristics

a)

embryology

b)

variation

c)

species

d)

homologous

46.

Charles Darwin's 5 year voyage around the world gave him the opportunity to observe many animals. He noted that?

a)

Many animals were identical to the animals on the mainland.

b)

Some animals were smaller and dirtier that others.

c)

Many animals were starving to death.

d)

Many animals were similar but not always identical to the animals on the mainland.

47.

Scientists have developed a timeline of life on earth by the studying of fossils. What do we refer to this timeline as?

a)

the fossil record

b)

evolution

c)

the history of primates

d)

natural selection

48.

What do we call mistakes or changes that occur in the DNA sequence?

a)

natural selection

b)

adaptations

c)

mutations

d)

Darwinism

49.

What do we call the preserved remains or physical evidence of an organism that lived in the past?

a)

varitations

b)

mutations

c)

evolutionary features

d)

fossils

50.

This person proposed that the theory of evolution happens as a result of natural selection?

a)

Charles Darwin

b)

Robert Hooke

c)

James Watson

d)

Rosalind Franklin

51.

The possible cause for the finches on the Galapagos Islands to have beaks that are different from the finches living on the south american mainland?

a)

mainland finches built different nests.

b)

there were different types of food available on the island

c)

all the different types of predators living on the island

d)

some were salt water finches

52.

Explain the function of the cell membrane.

a)

It protects and supports the cell.

b)

It performs different functions in each cell.

c)

It controls what enters and leaves the cell.

d)

It forms a hard outer covering for the cell.

53.

Analyze the illustration and determine which cell process is taking place in the FIRST picture.

a)

Endocytosis

b)

Active Transport

c)

Exocytosis

d)

Passive Transport

54.

In which organelle does photosynthesis occur?

a)

mitochondria

b)

chloroplast

c)

nucleus

d)

cytoplasm

55.

The two main processes by which plant cells absorb, release, and use energy are:

a)

fermentation and respiration

b)

digestion and photosynthesis

c)

photosynthesis and cellular respiration

d)

aerobic and anaerobic respiration

56.

Compare plant and animal cells. What can a plant cell do that an animal cell cannot?

a)

make its own food

b)

move from one place to another

c)

takes in an releases gases

d)

reproduces itself

57.

Osmosis and diffusion are related in that _________________.

a)

both are methods to stop movement of molecules across a cell membrane.

b)

osmosis is the movement of water across the cell membrane by diffusion.

c)

both involve the movement of large molecules across the cell membrane.

d)

both processes only work in red blood cells.

58.

The diagram shows a cell taking in a substance that is present in a higher concentration inside the cell than outside the cell. Identify the process that the diagram represents?

a)

osmosis

b)

engulfing

c)

passive transport

d)

active transport

59.

Smaller molecules, such as oxygen and carbon dioxide, cross the cell membrane through what process?

a)

osmosis

b)

active transport

c)

special gas transport proteins

d)

diffusion

60.

Semi-permeable applies to which cell organelle?

a)

mitochondria

b)

cell membrane

c)

nucleus

d)

ribosome

61.

Determine which cell organelles uses oxygen and glucose to provide energy for the cell?

a)

mitochondrion

b)

nucleus

c)

ribosome

d)

vacuole

62.

Very large food particles enter cell membrane through the process called endocytosis. Once it enters the cell, it is digested and broken down by the _______________. Once it leaves this step, it enters the ________________ to be broken down by oxygen in order to produce usable energy for the cell.

a)

cell membrane, chloroplast

b)

lysosome, mitochondria

c)

cytoplasm, mitochondria

d)

vacuole, chloroplast

63.

Recall your knowledge about cell organelles. What gel-like organelle is responsible for holding the organelles in place, distributing materials throughout the cell, and absorbing shock within the cell?

a)

vacuole

b)

cytoplasm

c)

cytoskeleton

d)

nucleus

64.

Who studied the inheritance patterns of pea plants?

a)

Albert Einstein

b)

Anton von Leeuwenhoek

c)

Gregor Mendel

d)

Rosalind Franklin

65.

How many chromosomes are in human body cells?

a)

23

b)

46

c)

92

d)

78

66.

What is the passing of traits to offspring?

a)

heredity

b)

dominance

c)

mutation

d)

genotype

67.

How many chromosomes are in human sex cells?

a)

23

b)

46

c)

92

d)

78

68.

What is the genotype for being female?

a)

XX

b)

XY

c)

TT

d)

tt

69.

Which of these is a phenotype?

a)

TT

b)

Tt

c)

tall

d)

homozygous

70.

What are rod shaped structures found in the nucleus that contain DNA?

a)

DNA

b)

chromosomes

c)

centrioles

d)

RNA

71.

What are the different forms of a gene called?

a)

allele

b)

phenotype

c)

genotype

d)

DNA

72.

Who was able to capture an image of DNA using x-ray crystallography?

a)

James Watson

b)

Francis Crick

c)

Rosalind Franklin

d)

Gregor Mendel

73.

Who won the Nobel Prize for discovering the structure of DNA?

a)

Watson and Crick

b)

Watson and Franklin

c)

Crick and Mendel

d)

Wilkins and Obama

74.

Which parent determines the gender of any offspring (in sexually reproducing organisms)?

a)

Male

b)

Female

75.

Who is more likely to be colorblind?

a)

girls

b)

boys

c)

both genders have an equal chance

76.

What is a portion of DNA that codes for a specific trait called?

a)

allele

b)

chromosome

c)

gene

d)

RNA

77.

Each gene is a code for a specific _____

a)

carbohydrate

b)

protein

c)

chromosome

d)

homeostasis

78.

What base pairs with Adenine in a DNA molecule?

a)

thymine

b)

guanine

c)

cytosine

d)

adenine

79.

What is the shape of a DNA molecule?

a)

a hexagon

b)

a parallelogram

c)

a double helix

d)

a twisted triangle

80.

What is it called when neither gene in a gene pair hides the other (instead, they mix)?

a)

Mendelian inheritance

b)

hybridization

c)

incomplete dominance

d)

recessive

81.

Red flowers are (R) dominant. The allele for white flowers are color (r) is recessive.

Red Flower #1 is Rr and that the genotype of Red Flower #2 is RR.


What is the offspring for Box A and Box B?

a)

Box A and Box B are only red flowers

b)

Box A and Box B are only white flowers

c)

Box A has red and white flowers and Box B only has red flowers

d)

Box A has only red flowers and Box B has red flowers and white flowers

82.

If H represents the dominant allele and h represents the recessive allele, what are the genotypes of the parents shown in the pedigree?

a)

Hh and Hh

b)

hh and hh

c)

HH and HH

d)

Hh and HH

83.

Some plants can reproduce by sprouting new plants from their roots.


Which statement describes a disadvantage of this type of reproduction?

a)

The new plant lack genetic variety.

b)

Each new plant can reproduce only once

c)

The new plants are poorly adapted to the environment.

d)

Each new plant develops different characteristics quickly

84.

A cell from a turkey’s wing contains 40 chromosomes. How many chromosomes are in the unfertilized egg?

a)

20

b)

40

c)

60

d)

80

85.

Which phenotype is dominant?

a)

Purple

b)

Black

c)

Fur

d)

Brown

86.

Which statement is a reasonable explanation for the difference in the appearances of the two Oldfield mouse populations?

a)

Beach mice with dark coats were more easily spotted by predators.

b)

The dark coats of beach mice became lighter with exposure to sunlight.

c)

Beach mice with light coats were more likely to remain in underground burrows.

d)

The dark coats of beach mice were more common because the coat color is a dominant trait.

87.

Which statement gives an example of asexual production?

a)

A new potato plant that grows from a potato

b)

Two worms mate and produce more worms

c)

An apple seed is produced from pollinated flowers

d)

Butterflies have genetic information from both parents.

88.

Four different mammal populations contain varying numbers of individuals with a range of fur thickness.


Which graph shows a population that would have the greatest chance of surviving climate change?

a)

Population 1

b)

Population 2

c)

Population 3

d)

Population 4

89.

Homozygous, Purebred or Dominant

a)

Bb

b)

BB

90.

Heterozygous or Hybrid

a)

BB

b)

Bb

91.

Recessive

a)

BB

b)

bb

c)

Bb

92.

Carrier of a Trait

a)

Bb

b)

BB

c)

bb

93.
What does a filled in square represent?
a)
Not affected Female
b)
Not affected Male
c)
Affected Male
d)
Affected Female
94.
How many generations are shown in this pedigree?
a)
1
b)
2
c)
3
d)
4
95.
How many kids did the mother and father from the first generation have?
a)
2
b)
4
c)
5
d)
6
96.
What do half colored symbols represent?
a)
The individual is a carrier (heterozygous).
b)
The individual expresses the trait.
c)
The individual has both recessive alleles.
d)
The individual has both dominant alleles.
97.
What does an open circle represent?
a)
Not Affected Male
b)
Not Affected Female
c)
Affected Male
d)
Affected Female
98.
In the second generation-how many people are carriers of the trait?
a)
2
b)
3
c)
5
d)
6
99.
How many people in this whole pedigree have the trait/disease?
a)
2
b)
3
c)
4
d)
6
100.
How many females are in this pedigree?
a)
3
b)
4
c)
6
d)
7
101.
What is this?
a)
Pedigree
b)
Karyotype
c)
Venn diagram
d)
Punnett Square
102.
Which individual in the first generation is a carrier?
a)
The male
b)
The female
c)
individual 1
d)
None of the above
103.
What does a horizontal line between a square and a circle mean?
a)
They are siblings
b)
They are cousins
c)
They are married ("together")
d)
They are the children
104.
If a trait SKIPS a generation, it is an indication that the trait is....
a)
dominant
b)
recessive
c)
incompletely dominant
d)
co-dominant
105.

Objective #13

This is a pedigree that follows blue eyes which is a recessive trait. What is the phenotype of the mother (circle) in generation 1?

a)

Brown

b)

Blue

c)

1 blue, 1 brown

106.

Objective #13

On a pedigree how do we know if they have the trait?

a)

Not shaded

b)

Shaded

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