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WorksheetsLife Science Review
Total questions: 102
Worksheet time: 2hrs 37mins
Name
Class
Date
1.
Paco's daughter will be participating in an upcoming dance recital. She will require a different costume for each dance she plans to performs.
c = the number of costumes Paco's daughter will require
d = the number of dances Paco's daughter plans to perform
Which of the variables is independent?
c = the number of costumes Paco's daughter will require
d = the number of dances Paco's daughter plans to perform
Which of the variables is independent?
a)
c
b)
d
2.
In order to earn extra money on the weekends, Josie's string quartet performs at wedding receptions. The longer the reception, the more money they earn.
r = the length of the reception
m = the amount of money Josie's quartet earns
Which of the variables is independent?
r = the length of the reception
m = the amount of money Josie's quartet earns
Which of the variables is independent?
a)
r
b)
m
3.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...
a)
The type of plant
b)
The amount of sunlight
c)
The type of music
d)
The type of liquid
4.
Mr. S set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the independent variable.
a)
Distance traveled by the ball
b)
Height of the ramp
c)
Mass of the ball
5.
Mr. S normally uses praise as a reward to train his dog. He wants to know the best way to train his dog, so he sets up an experiment to find out if there is a better way to get his dog to respond to commands. What is his dependent variable?
a)
Type of reward
b)
Praise
c)
Type of dog
d)
Amount of time the dog follows commands
6.
A list of the steps anyone could follow to conduct an experiment.
a)
obervations
b)
question/problem
c)
materials
d)
procedures
7.
A list of everything you will need to conduct an experiment.
a)
procedures
b)
materials
c)
observations
d)
question/problem
8.
The factor in an experiment that will be changed.
a)
dependent variable
b)
independent variable
c)
controlled variable
d)
not this one.
9.
The factor that will happen because of the change.
a)
dependent variable
b)
independent variable
c)
controlled variabe
d)
not this one.
10.
What step do you find out more information about your topic?
a)
hypothesis
b)
procedures
c)
question/problem
d)
research
11.
True or False. Facilitated diffusion is the movement of specific molecules across a cell membrane through protein channels.
a)
True
b)
False
12.
Which of the following is the formula for photosynthesis?
a)
C6H12O6 + O2 --> CO2 + H2O
b)
C6H12O6 + 6 O2 --> 6 CO2 + 6 H2O
c)
CO2 + H2O --> C6H12O6 + O2
d)
6 CO2 + 6 H2O --> C6H12O6 + 6 O2
13.
Which type of energy transformation occurs in photosynthesis?
a)
Chemical to Mechanical
b)
Light to Chemical
c)
Heat to Electrical
d)
Mechanical to Electrical
14.
Both producers and consumers occurs during photosynthesis or cellular respiration
a)
Cellular Respiration
b)
Photosynthesis
15.
Carbon dioxide given off occurs during photosynthesis or cellular respiration
a)
Cellular Respiration
b)
Photosynthesis
16.
Oxygen is taken in occurs during photosynthesis or cellular respiration
a)
Cellular Respiration
b)
Photosynthesis
17.
Takes place in the mitochondria occurs during photosynthesis or cellular respiration
a)
Cellular Respiration
b)
Photosynthesis
18.
Autotrophs only use cellular respiration or photosynthesis
a)
Cellular Respiration
b)
Photosynthesis
19.
Food is synthesized during photosynthesis or cellular respiration
a)
Cellular Respiration
b)
Photosynthesis
20.
Takes place in the chloroplast
a)
Cellular Respiration
b)
Photosynthesis
21.
Both autotrophs and heterotrophs do this
a)
Cellular Respiration
b)
Photosynthesis
22.
Food is broken down during
a)
Cellular Respiration
b)
Photosynthesis
23.
Oxygen is given off
a)
Cellular Respiration
b)
Photosynthesis
24.
Energy from sun stored in glucose
a)
Cellular Respiration
b)
Photosynthesis
25.
Energy of glucose released
a)
Cellular Respiration
b)
Photosynthesis
26.
The general equations for photosynthesis and cellular respiration show how the two processes are interconnected in natural cycles. Which substance is a product of cellular respiration and reactant in photosynthesis?
a)
Oxygen
b)
Glucose
c)
Water
d)
ATP
27.
Two reactants that are used in the process of photosynthesis are
a)
Glucose and water
b)
Oxygen and water
c)
Water and Carbon Dioxide
d)
Carbon Dioxide and Oxygen
28.
Which is NOT part of cell theory?
a)
Cells spontaneously generate from non-living things
b)
all cells come from other cells
c)
all living things are made of cells
d)
the cell is the basic unit of life
29.
The levels of organization in living things (smallest to largest) are:
a)
cells, organisms, organs, organ systems, tissues
b)
cells, tissues, organs, organ systems, organisms
c)
organisms, organ systems, organs, cells, tissues
d)
organ systems, organs, organisms, tissues, cells
30.
Which part of the chloroplast contains chlorophyll, which captures sunlight?
a)
cristae
b)
stomata
c)
stroma
d)
thylakoids
31.
Which cell part do ALL cells have?
a)
cell membrane
b)
cell wall
c)
chloroplasts
d)
nucleus
32.
What type of cells are bacteria?
a)
embryonic cells
b)
eukaryotic cells
c)
prokaryotic cells
d)
zygotic cells
33.
Which of the following cell parts are found only in plant cells?
a)
cell membrane
b)
chloroplast
c)
lysosome
d)
mitochondria
34.
Which cell part is the "post office" of the cell, packaging materials to be secreted?
a)
Golgi body
b)
chloroplast
c)
mitochondria
d)
nucleus
35.
Which cell part controls what moves in and out of the cell?
a)
cell wall
b)
cell membrane
c)
cytoplasm
d)
mitochondria
36.
Which cell part controls what moves in and out of the cell?
a)
cell wall
b)
cell membrane
c)
cytoplasm
d)
mitochondria
37.
Which cell part is the "post office" of the cell, packaging materials to be secreted?
a)
Golgi body
b)
chloroplast
c)
mitochondria
d)
nucleus
38.
What cell organelle is the "powerhouse of the cell", where sugar is broken down to make ATP?
a)
mitochondria
b)
chloroplast
c)
nucleus
d)
ribosome
39.
What are the reactants for photosynthesis?
a)
carbon dioxide and oxygen
b)
carbon dioxide and water
c)
oxygen and glucose
d)
oxygen and water
40.
What are the products of photosynthesis?
a)
carbon dioxide and oxygen
b)
glucose and oxygen
c)
glucose and carbon dioxide
d)
carbon dioxide and water
41.
Which part of the chloroplast contains chlorophyll, which captures sunlight?
a)
cristae
b)
stomata
c)
stroma
d)
thylakoids
42.
What kind of organisms can perform cellular respiration?
a)
autotrophs
b)
heterotrophs
c)
both autotrophs and heterotrophs
d)
neither autotrophs nor heterotrophs
43.
Does not require light
a)
Cellular Respiration
b)
Photosynthesis
44.
Food is broken down during
a)
Cellular Respiration
b)
Photosynthesis
45.
Oxygen is given off
a)
Cellular Respiration
b)
Photosynthesis
46.
Occurs in all living things occurs during photosynthesis or cellular respiration
a)
Cellular Respiration
b)
Photosynthesis
47.
Takes place in the mitochondria occurs during photosynthesis or cellular respiration
a)
Cellular Respiration
b)
Photosynthesis
48.
What is a phenotype?
a)
The expression of a trait; physical appearance.
b)
refers to the genetic makeup of an individual
c)
An organism that has the same genes for a trait (ex. TT or tt)
d)
the passing of traits from parent to offspring
49.
What does heterozygous mean?
a)
An organism that has the same genes for a trait (TT or tt)
b)
An organism that has different genes for a trait (Tt)
c)
When neither gene is fully dominant; offspring is a mixture of both
d)
the different forms of a trait (hair color--> brown, blonde, red
50.
R=round seed
r=wrinkled seed.
Cross a homozygous round with a wrinkled. Which statement predicts the results?
r=wrinkled seed.
Cross a homozygous round with a wrinkled. Which statement predicts the results?
a)
offspring will be Rr
b)
offspring will be RR
c)
round seeds will be recessive to wrinkled
d)
Wrinkled will be observed in half of offspring
51.
Pea plants can have green or yellow seeds. In a pea plant that is heterozygous for seed color, the allele for yellow seeds masks the effects of the allele of green seeds. Which of the following terms best describes the allele for yellow seeds?
a)
codominant
b)
recessive
c)
dominant
d)
sex-linked
52.
Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?
a)
0 %
b)
25%
c)
50%
d)
75%
53.
Which of the following alleles is homozygous recessive?
a)
Tt
b)
tt
c)
TT
d)
T
54.
What determines gender in humans?
a)
the X and Y chromosome
b)
chromosome 21
c)
codominance
d)
epistasis
55.
How many alleles (letters) do each person carry for a trait?
a)
1
b)
2
c)
3
d)
4
56.
How many alleles (letters) does a child get from each parent for each trait?
a)
1
b)
2
c)
3
d)
4
57.
Which of the following genotypes is heterozygous?
a)
Bb
b)
BB
c)
bb
d)
B
58.
Which of the following is homozygous dominant?
a)
Yy
b)
Y
c)
yy
d)
YY
59.
Which of the following is homozygous recessive?
a)
Tt
b)
tt
c)
TT
d)
T
60.
Which of the following organisms are LEAST closely related?
a)
organisms that share a domain
b)
organisms that share a family
c)
organisms that share a genus
d)
organisms that share a species
61.
Which kingdom contains members who are prokaryotic?
a)
Archaebacteria and Eubacteria
b)
Archaebacteria and Protista
c)
Eubacteria and Animalia
d)
Eubacteria and Fungi
62.
Members of this kingdom live in unusual conditions such as deep ocean trenches or volcanoes
a)
Eubacteria
b)
Protista
c)
Fungi
d)
Archaebacteria
63.
Which kingdom consists of heterotrophic organisms that grow on or in what they eat?
a)
archaea
b)
bacteria
c)
protists
d)
fungi
64.
What do protists, plants, fungi, and animals ALWAYS have in common? They are all...
a)
Multicellular
b)
Eukaryotic
c)
Prokaryotic
d)
Consumers
65.
Members of this kingdom are multicellular and heterotrophic
a)
Plantae
b)
Protista
c)
Animalia
d)
Achaebacteria
66.
Members of this kingdom never have a cell wall
a)
Animalia
b)
Plantae
c)
Archaebacteria
d)
Protista
67.
Members of this kingdom have cell walls made of cellulose
a)
Eubacteria
b)
Protista
c)
Plantae
d)
Fungi
68.
Who first proposed binomial nomenclature as a way of classifying organisms?
a)
Carl Linnaeus
b)
Carl's Jr.
c)
Charles Darwin
d)
Henry Groseclose
69.
Cells that do not have a true nucleus are called....
a)
eukaryote
b)
prokaryote
c)
unicellular
d)
multicellular
70.
Scientists use seven major classification levels to group and name organisms. Which level is the broadest (most general) classification level listed below?
a)
species
b)
kingdom
c)
family
d)
class
71.
What is taxonomy?
a)
the scientific study of how living things are classified
b)
the name of Linneaus' classification system
c)
the process used by geologists to classify rocks
d)
the process of observing an organism's behavior
72.
In a scientific name the: First name is the ____________ and the second name is the __________
a)
genus and species
b)
species and genus
73.
Scientific names are written in ________
a)
Telugu
b)
French
c)
Tamil
d)
Latin
74.
an organism that makes it food through photosynthesis
a)
autotroph
b)
heterotroph
75.
What kingdom are Humans in?
a)
Plantae
b)
Fungi
c)
Eubacteria
d)
Animalia
76.
This plantlike organism lacks chlorophyll and cannot make it's own food.
a)
Bacteria
b)
Virus
c)
Fungus
d)
Protist
77.
Protist:
a)
Live in dark areas
b)
Live in Direct Sun Light
c)
Live in Dry Areas
d)
Live in Water Sources
78.
Harmful bacteria an example of this is the_________.
a)
baccili
b)
cyanobacteria
c)
Pathogenic
d)
cocci
79.
How is bacteria classified
a)
How they reproduce
b)
How they get their food
c)
How they move
d)
How they interact with others
80.
Viruses...
a)
use a host to reproduce
b)
breath oxygen
c)
grow
d)
eat food
81.
Which of the following is not a bacterial shape?
a)
bacilli
b)
spirilla
c)
spacecraft
d)
cocci
82.
Binary fission is a type of _____ reproduction that bacteria do.
a)
sexual
b)
asexual
83.
Name this bacteria shape
a)
bacilli
b)
cocci
c)
spirilla
d)
crystal
84.
A disease causing organism
a)
pathogen
b)
poison
c)
vaccine
d)
lyctic
85.
Bacteria that help break down dead material in the environment are called
a)
vaccines
b)
decomposers
c)
oats
d)
Consumers
86.
Bacteria are...
a)
producers
b)
consumers
c)
decomposers
d)
all of these are correct
87.
Which of the following is not a bacterial shape?
a)
bacilli
b)
spirilla
c)
spacecraft
d)
cocci
88.
Bacteria cells are classified as
a)
Eukaryotes
b)
Prokaryotes
c)
Viruses
d)
A Host
89.
Why do you need to get a flu shot every year?
a)
the flu virus mutates from year to year
b)
your immune system doesn't keep immunity for more than a year
c)
viruses mutate faster every year
d)
vaccines get stronger each year
90.
Which is a producer?
a)
deer
b)
tall grass
c)
lion
d)
worm
91.
What is this called?
a)
Food Web
b)
Food Chain
c)
Abiotic Factors
92.
What is this called?
a)
Food Web
b)
Food Chain
c)
Abiotic Factors
93.
Primary Consumers are usually carnivores.
a)
True
b)
False
94.
What does a Primary Consumer eat?
a)
Tertiary Consumers
b)
Secondary Consumers
c)
Producers
95.
Overlapping food chains in an ecosystem make up....
a)
food web
b)
food chain
c)
niche
d)
symbiosis
96.
A producer is a____________.
a)
heterotroph
b)
autotroph
c)
omnitroph
d)
consumotroph
97.
In the energy pyramid below, which organism has the least amount of energy available?
a)
Producers
b)
Herbivores
c)
Carnivores
d)
Top Predator
98.
In the energy pyramid here, how much of the energy in each level gets lost as heat or used by the organism for survival?
a)
80%
b)
90%
c)
10%
d)
20%
99.
In the energy pyramid here, how much of the energy in the producers gets passed to the herbivores?
a)
10%
b)
20%
c)
80%
d)
90%
100.
In the food web shown, the fox is a...
a)
primary consumer
b)
secondary consumer
c)
tertiary consumer
d)
producer
101.
Is it possible for the hawk and the fox to be on the same trophic level (this means producer, primary consumer, secondary etc.)?
a)
Yes, the fox and hawk can be on the same trophic level
b)
No, the fox and hawk can not be on the same level
102.
Decomposers affect all levels of the food web.
a)
True
b)
False
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