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Final Exam 7th Grade Life Science

Total questions: 90

Worksheet time: 5hrs 30mins

Name
Class
Date
1.
The mathematical chance that something will happen is known as...
a)
chance
b)
luck
c)
probability
2.
Are recessive traits shown with capital or lowercase letters? 
a)
Capital
b)
Lowercase
3.
The different forms of genes are known as
a)
environment
b)
probability
c)
traits
d)
alleles
4.
An allele or gene that always shows is
a)
recessive
b)
dominant
c)
hidden
d)
present
5.
Two of the same genes for a trait (sometimes called purebred). BB or bb
a)
homozygous
b)
hetrozygous
c)
protein
d)
chromosome
6.
Two different genes for a trait (sometimes called hybrid). Bb
a)
protein
b)
homozygous
c)
heterozygous
d)
genotype
7.
What would the ratio for genotypes be for this Punnett Square?
a)
2Bb:2bb
b)
2BB:2Bb
c)
1BB:2Bb:1bb
d)
4Bb
8.
G = dominant green and y = recessive yellow
A fish has a Gy genotype, what will its phenotype be?
a)
yellow
b)
green
c)
greenish-yellow
d)
red
9.
T - tall and t = short
In the punnett square below, what belongs in the missing square
a)
tt
b)
Tt
c)
Bb
d)
TT
10.
Dominant alleles are represented by a:
a)
Male gene
b)
lowercase letter
c)
recessive trait
d)
capital letter
11.
A ________________________ is used to predict the possible genotype from certain parents
a)
Mendel Grid
b)
Genetic Tic Tac Toe
c)
Punnett Square
d)
Pedigree Plot
12.
Heredity is the passing of traits from _____________________ to _____________________
a)
predators to prey
b)
water to rain
c)
parents to offspring
d)
fungi to protists
13.
___________________________ is the field of science that studies of how traits are passed on, or inherited.
a)
dominant traits
b)
ratio
c)
phenotype
d)
genetics
14.
He is known as the father of modern day genetics.
a)
Gregory Mendel
b)
Greg Mendel
c)
Gregor Mendel
d)
Grace Mendel
15.
Which is a true statements about this picture?
a)
Brown is recessive
b)
Brown is dominant
c)
Blue is dominant
d)
Blue is codominant
16.
What are the possible phenotypes in this punnett square?
a)
Bb, bb, BB
b)
purple, white
c)
Bb, bb
d)
light purple
17.
What is a gene?
a)
An entire chromosome that  codes for a trait
b)
a piece of clothing
c)
a piece of a DNA on chromosome that codes for a trait
d)
Chemical messengers in your brain that code for a trait
18.
What is a genotype? 
a)
The genetic make up (code)
b)
The physical trait
19.
Which term refers to the process by which individuals that are better suited to the environment survive and reproduce therefore passing down their genes to their offspring? 
a)
Evolution 
b)
Variation 
c)
Adaptation
d)
Natural Selection 
20.
When an organism completely dies out, it is called.....
a)
Adaption
b)
Extinction
c)
Fossilization
d)
Mutation
21.
Two organisms that are closely related would have
a)
very similar DNA sequence
b)
exactly the same DNA sequences
c)
no proteins in common
d)
completely different DNA sequence
22.
Which of the following is a fossil?
a)
a plant that has recently died
b)
a group of organisms that can reproduce
c)
a structure or organ that no longer functions
d)
a trace of an organisms that existed in the past
23.

What is the term for a feature that allows an organism to survive better in its environemtn?

a)

variation

b)

adaptation

c)

homologous structure

d)

vestigial structure

24.
Who is the father of evolution?
a)
Darwin
b)
Mendel
c)
Newton
d)
Einstein
25.

Images of the embryo and adult stages of three different organisms are shown.


Which of the following is the best conclusion that can be drawn from this evidence?

a)

Having similar embryos indicates that these organisms eat the same types of food.

b)

Having similar embryos indicates that these organisms live in a similar environment.

c)

Having similar embryos indicates that these organisms share a recent common ancestor.

d)

Having similar embryos indicates that a certain protein controls how many legs the adult organisms will have.

26.

Which trait below wouldn't help the species survive?

a)

Eye Color

b)

Long Legs

c)

Large Size

d)

Heightened Senses

27.
Which statement best describes the process of evolution?
a)
Populations can survive in different locations on earth
b)
Environmental conditions limit the number of species on Earth
c)
Populations grow when resources are abundant
d)
The traits of a species can change over time
28.
Structures with the same parts have different functions; suggests that organisms share a common ancestry
a)
vestigial structures
b)
homologous structures
c)
adaptive radiation
d)
fossil
29.
If an organism has a vestigial structure, that structure likely once had a function in a(n)
a)
close relative
b)
early ancestor
c)
unrelated organism
d)
embryological stage
30.
Which of the following is an example of a vestigial structure?
a)
the wings of a red-tailed hawk
b)
the hind limbs of a house cat
c)
the fins of sharks
d)
the tailbone of a human
31.

The part of the plant that absorbs water is _________.

a)

Roots

b)

Flowers

c)

Stem

d)

Leaves

32.

What do the leaves of a plant do?

a)

They make the food for the plant.

b)

They take in the water from the ground.

c)

They transport water to the other parts of the plants

d)

They support the plant upright.

33.

Which part of plant uses sunlight to make food?

a)
b)
c)
d)
34.
Type of root
a)
fibrous root
b)
taproot
35.

what is the name of the process by which a plant makes its own food?

a)

photosynthesis

b)

nutrition

c)

reproduction

d)

germination

36.

Plants need water, sunlight and soil?

a)

True

b)

False, they need minerals and air too.

37.

Plants breath in CO2 (carbondioxide) to make the photosynthesis

a)

True

b)

False

38.

Plants can be classified according to their stem, there are 2 types

a)

Woody plants and Herbaceous

b)

trank plants and Herbaceous

c)

Woody plants and plataceous

39.

How old is this tree?

a)

24 Years old

b)

92 seasons

c)

12 years

d)

37 saturn years

e)

I don't know

40.



NAME THAT ROOT

a)

Fibrous

b)

Woody

c)

Tangle

d)

Tap

e)

I don't know

41.



NAME THAT ROOT

a)

Fibrous

b)

Woody

c)

Tangle

d)

Tap

e)

I don't know

42.

Which of the following are reactants (what the plant needs to start the process) of photosynthesis?

a)

CO2 and H2O

b)

O2

c)

H2O and Glucose

d)

None of the above

43.

What are the end products of photosynthesis?

a)

Carbon Dioxide and Water

b)

Glucose and Carbon Dioxide

c)

Oxygen and Glucose

d)

Water and Glucose

44.

What part of the flower produces eggs?

a)

ovary

b)

petal

c)

anther

d)

stamen

45.

Why are flower petals colored?

a)

They attract different kinds of animals.

b)

The colors attract different pollen.

c)

The colors show which flowers are poisonous to bugs.

d)

They attract seeds.

46.
Small grains that contain a plant's male reproductive cells.
a)
stamen
b)
pollen
c)
anther
d)
stigma
47.
All of the following are examples of seed disbursement except:
a)
wind
b)
volcanic eruptions
c)

Birds and insects

d)
animals feces
48.
When you breathe, your lungs take in ___ and remove ___. 
a)
air/oxygen
b)
oxygen/carbon dioxide 
c)
carbon dioxide/waste 
d)
waste/air 
49.

The organ is responsible for pumping blood throughout your body.

a)

The Brain

b)

The Spine

c)

The Heart

d)

The Lungs

50.

The circulatory system uses _________ to deliver oxygen and nutrients to the whole body.

a)

blood cells and blood vessels

b)

lungs and nose

c)

blood vessels

d)

brain and spinal cord

51.

Which of the following body systems work together for support, protection, and movement?

a)

respiratory and cardiovascular

b)

skeletal and muscular

c)

skeletal and integumentary

d)

digestive and respiratory

52.
1. Which system are the lungs in?
a)
respiratory
b)
digestive
c)
excretory
d)
muscular
53.

About how many bones are in the human body?

a)

108

b)

206

c)

300

d)

509

54.

This system receives information from inside and outside the body and controls the body's responses.

a)

Digestive System

b)

Circulatory System

c)

Nervous System

d)

Endocrine System

55.

The process by which your body breaks down food into small nutrients is the function of what system?

a)

circulatory system

b)

muscular system

c)

digestive system

d)

respiratory system

56.
An example of a unicellular organism is a...
a)
bacteria
b)
animal
c)
plant
d)
fungi
57.
What is an organism that consists of one cell?
a)
unicellular
b)
multicellular
c)
nucleus
d)
organelle
58.
What is an organism that consists of more than one cell?
a)
unicellular
b)
multicellular
c)
nucleus
d)
Organelle
59.
All living organisms are made up of ____.
a)
one or more cells
b)
eukaryotic cells
c)
prokaryotic cells
d)
bacteria
60.
This picture is a good example of
a)
Growth
b)
Development
c)
Organelle
d)
Cell
61.
This picture is a good example of
a)
Growth
b)
Development
c)
Organelle
d)
Cell
62.

Responding to change helps an organism to survive. Which are a response to change in an environment? There are two correct choices.

a)

A cell reproduces asexually.

b)

You get hot and sweat.

c)

A cell only grows in a certain environment.

d)

Hummingbirds migrate to the south for the winter.

63.

Which one of these IS one of the characteristics of living things?

a)

All living things have are made of basic building blocks called cells

b)

All living things have nuclei.

c)

All living things are prokaryotes.

d)

All living things are eukaryotes.

64.

What is the name given for an organism that CAN make its own food?

a)

Heterotroph

b)

Autotroph

c)

Unicellular

d)

Mulitcellular

65.

What is the name given for an organism that CANNOT make its own food?

a)

Heterotroph

b)

Autotroph

c)

Unicellular

d)

Mulitcellular

66.

This is a type of experiment where all things are the same except for one variable that is changed

a)

Variable experiment

b)

Manipulated experiment

c)

Controlled experiment

d)

Scientific method

67.

These are the four basic needs of all living things

a)

Food, Water, Movement, Oxygen

b)

Water, Food, Sun, Carbon Dioxide

c)

Food, Living space, Water, Homeostasis

d)

Food, Living space, Sun, Carbon Dioxide

68.

What is another name for a living thing?

a)

Cell

b)

Autotroph

c)

Heterotroph

d)

Organism

69.

This is the name of the basic building blocks that make up all living things

a)

Organism

b)

Cell

c)

Autotroph

d)

Heterotroph

70.
A worm turns away from light is an example of a worm
a)
reproducing
b)
doing cellular respiration
c)
having cells
d)
responding to its environment
71.
Which of the following characteristics of living things best explains why your legs and arms get longer and stronger as you get older? 
a)
living things respond to their environment
b)
living things maintain internal balance
c)
living things are made of cells
d)
living things grow and develop
72.
Which of the following characteristics of living things best explains why humans sweat when they get hot?
a)
maintaining a stable internal enviornment
b)
growth and development
c)
using energy
d)
ability to reproduce
73.

What is biotic mean?

a)

Living

b)

Nonliving

c)

Unicellular

d)

Multicellular

74.

This is the process of grouping things according to similariteis

a)

Biotic

b)

Abiotic

c)

Classification

d)

Species

75.

This is the two part naming system

a)

Classification

b)

Binomial Nomenclature

c)

Genus

d)

Species

76.

The process by which a species changes over time

a)

Classification

b)

Cellular Organization

c)

Evolution

d)

Growth

77.

The idea that living things can come from nonliving things

a)

Evolution

b)

Spontaneous Generation

c)

Reproduction

d)

Homeostasis

78.

These are the 8 levels of classification in order

a)

Domain, Kingdom, Genus, Class, Species, Order, Family, Phylum

b)

Kingdom, Phylum, Class, Order, Genus, Family, Species, Domain

c)

Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species

d)

Domain, Kingdom, Phylum, Order, Class, Family, Species, Genus

79.

These are the three Domains of Life

a)

Bacteria, Archaea, Eukarya

b)

Eukarya, Prokarya, Bacteria

c)

Protists, Plants, Animals

d)

Fungi, Prokarya, Protists

80.

Come in a variety of shapes and sizes

a)

Viruses

b)

Bacteria

c)

Both viruses and bacteria

81.

Contain genetic information in the form of DNA or RNA

a)

Viruses

b)

Bacteria

c)

Both viruses and bacteria

82.

Are larger in size

a)

Viruses

b)

Bacteria

c)

Both viruses and bacteria

83.

Classify the pathogen

a)

Virus

b)

Bacteria

c)

Both virus and bacteria

84.

Classify the pathogen

a)

Virus

b)

Bacteria

c)

Both virus and bacteria

85.
You should always carry the microscope by the
a)
arm and base
b)
arm and body tube
c)
arm only
d)
the objectives
86.

A light microscope that has MORE THAN ONE LENS, the ocular (eye piece lens) and objective lens, is called a _______________.

a)

compound microscope

b)

microscope

c)

electrical microscope

d)

telescope

87.
Find the total magnification: 
Eyepiece = 10X 
Objective lens = 55X  
a)
10x
b)
55x
c)
65x
d)
550x
88.
What power do you start with when using a microscope?
a)
High power
b)
Medium power
c)
Low power
d)
Extra high power
89.
The__________ sharpens the image under high magnification.
a)
the diaphragm
b)
fine adjustment knob
c)
coarse adjustment knob
d)
the ocular
90.
The higher the magnification, the ________ you see of the specimen.
a)
more
b)
less
c)
higher
d)
lower

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