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Life Science

Total questions: 71

Worksheet time: 3570secs

Name
Class
Date
1.
What stores food and begins the process of breaking it down?
a)
Heart
b)
Teeth
c)
Stomach 
d)
Brain
2.
_______  is a muscle that pumps blood throughout the body. 
a)
Brain
b)
Stomach
c)
Jaws
d)
Heart
3.
 Verterbrate or Invertebrate
a)
 Verterbrate
b)
Invertebrate
4.
Which of the following are only found in plant cells? 
a)
cell membrane  
b)
mitochondria 
c)
nucleaus
d)
cell wall
5.
Which ones are singled-celled organisms?
a)
Goldfish
b)
Seaweed
c)
Bacteria
d)
Ants 
6.
Which of these is an inherited trait? 
a)
a broken wing
b)
knowing where to find a bird feeder
c)
a scar
d)
the shape of a birds beak 
7.
Which of these is an inherited trait? 
a)
knowing how to read
b)
speaking Spanish 
c)
being able to play the violin
d)
having curly hair
8.
Which part of a cell directs most of the cell's activities? 
a)
nucleus
b)
cytoplasm
c)
cell membrane
d)
cell wall 
9.
A biologist discovers a new multicellular organism. The biologist is not sure if it is a plant or an animal. She decides to look at the cells under a microscope. Which structure would best indicate that the organism is a plant?
a)
chloroplast
b)
Golgi body
c)
ribosome
d)
lysosome
10.
The outermost part of an animal cell is the _____________. 
a)
cell membrane
b)
cell wall
11.
The green plant-cell part used in food making is the ________________________. 
a)
cytoplasm
b)
chloroplast
c)
embryo
12.
How many oxygen atoms are in this chemical formula?
a)
7 oxygen atoms
b)
4 oxygen atoms
c)
3 oxygen atoms
d)
1 oxygen atoms
13.
Law of conservation of mass states that 
a)
matter is created
b)
matter is destroyed
c)
matter is neither created nor destroyed
d)
matter does not change
14.
True or false.  Law of conservation of mass means that the number of atoms of the products is more than the number of atoms in the reactants. 
a)
True
b)
False
15.
All living things do which of the following?
a)
Chemosynthesis
b)
Respiration
c)
photosynthesis
d)
all of the answers
16.
What is one of the reactants of cellular respiration?
a)
energy
b)
glucose
c)
carbon dioxide
d)
water
17.
A plant is releasing a gas. What is the most likely gas?
a)
co2
b)
methane
c)
water vapor
d)
oxygen
18.
What is the site of cellular respiration in a cell? 
a)
stomata
b)
chloroplast
c)
mitochondria
d)
chlorophyll
19.
What is glucose converted to in the mitochondriaduring cellular respiration?
a)
ATP
b)
ADP
c)
DNA
d)
80p
20.
How many kingdoms are there?
a)
2
b)
3
c)
6
d)
8
21.
In what kingdom would you find trees and flowers?
a)
Plantae
b)
Fungi
c)
Eubacteria
d)
Animalia
22.
What can an autotrophic organism due that a heterotrophic organism can NOT?
a)
Make their own food 
b)
Have a nucleus
c)
Reproduce through binary fission
d)
They're the same
23.
 You would find mushrooms in what kingdom?
a)
Plantae
b)
Protists
c)
Fungi
d)
Animalia
24.
What is the difference between unicellular and multicellular?
a)
They are the same
b)
One has a nucleus and one doesn't
c)
Unicellular has one cell and multicellular has many 
d)
One is bacteria and the is archaebacteria
25.
This kingdom includes complex, multicellular organisms that are usually green, have cell walls, and make sugar by photosynthesis
a)
fungi
b)
bacteria
c)
plantae
d)
archaea
26.
Tigers, Jellyfish, Gorillas and Sponges are all part of kingdom _______.
a)
Animalia
b)
Plantae
c)
Fungi
d)
Bacteria
27.
Animals need to eat other organisms for food this classifies them as:
a)
Heterotroph
b)
Autotroph
c)
Eukaryotic
d)
Prokaryotic
28.
Organisms that are classified as autotrophic are able to-
a)
be seen with the human eye
b)
move
c)
reproduce
d)
make their own food
29.
Which Kingdom is referring to "old" bacteria?
a)
Eubacteria
b)
Archeabacteria
c)
Fungi
d)
Plantae
30.
The genotypic percentage resulting from this this cross would be _____________________.
a)
25% blue eye 75 % brown eye 
b)
BB = 25% Bb = 50% bb = 25%
c)
BB= 50 % bb = 50%
d)
All brown eye
31.
The dominant trait as seen in this punnett square is
a)
yellow pea seeds
b)
green pea seeds
c)
there is no dominant seed
d)
Jolly green giant
32.
A ________________________ is a tool used to predict the possible genotype from certain parents
a)
Mendel Grid
b)
Genetic Tic Tac Toe
c)
Punnett Square
d)
Pedigree Plot
33.
What term describes what you see, or the physical appearance.
a)
Genotype
b)
Phenotype
c)
Homozygous
d)
Heterozygous
34.
Complex molecule that carries genetic information that defines an organism's traits. It is stored in the nucleus.
a)
DNA
b)
protein
c)
RNA
d)
glucose nucleic acid (GNA)
35.
Two heterozygous parents produce offspring. What is the probability of the HETEROZYGOUS GENOTYPE appearing in the offspring generation?
a)
75%
b)
25%
c)
50%
d)
100%
36.
The dominant trait is
a)
yellow pea seeds
b)
green pea seeds
c)
there is no dominant seed
d)
Jolly green giant
37.
Two organisms both benefit from the relationship
a)
Commensalism
b)
Mutualism
c)
Parasitism
38.
A bird makes a nest in a tree.  The bird gets a house, but the tree is unharmed.
a)
Commensalism
b)
Mutualism
c)
Parasitism
39.
A bear eats fish out of the river
a)
mutualism
b)
parasitism
c)
predator / prey
40.
The black bear has a tick on it's back
a)
parasitism
b)
mutualism
c)
commensalism
41.
In mutualism
a)
both species benefit
b)
one species is killed
c)
both species fight for something
d)
one species is unaffected
42.
In commensalism
a)
Both species fight for something
b)
Both species benefit
c)
One species is killed
d)
One species is unaffected
43.
In competition
a)
One species is killed
b)
both species benefit
c)
Both species fight for something
d)
One species is harmed
44.
In parasitism
a)
Both species benefit
b)
One species is harmed
c)
Species fight for something
d)
One species is unaffected
45.
An animal that hunts other animals for food is a ___________
a)
herbivore
b)
predator
c)
prey
d)
omnivore
46.
What is another name for producer?
a)
consumer
b)
herbivore
c)
autotroph
d)
lichen
47.
What does every food chain start with?
a)
producers
b)
sun
c)
consumer
d)
decomposers
48.
An organism that needs to eat other organisms to obtain energy is known as a:
a)
Autotroph
b)
Producer
c)
Consumer
d)
Mutualist
49.
Consumer that eats plants
a)
heterotroph
b)
herbivore
c)
producer
d)
community
50.
Relationship in which two species live closely together over a longer period of time
a)
resource
b)
mutualism
c)
succession
d)
symbiosis
51.
The rabbit in this food web would be considered a:
a)
Decomposer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
52.
What does a Secondary Consumer eat?
a)
Tertiary Consumers
b)
Primary Consumers
c)
Producers
d)
Secondary Consumers
53.
The arrows of a food web show...
a)
The direction energy flows.
b)
How quickly organisms move.
c)
Which organism is the strongest.
d)
The consumers.
54.
a body system that controls and coordinates all body activities through electric impulses/messages between brain, spinal cord and nerves.
a)
endocrine system 
b)
nervous system
c)
nerve
d)
neuron
55.
If the environment gets cold, we will often shiver in order to:
a)
keep body temperature the same as the external temperature
b)
decrease body temperature
c)
increase body temperature
d)
regulate blood pressure
56.
Which diagram represents an organ?
a)
#1
b)
#2
c)
#3
d)
#4
57.
What is involuntary contractions of voluntary muscles to warm up?
a)
Shivering
b)
Sweating
c)
Vasodilation
d)
Vasoconstriction
58.
What is the evaporation of a liquid to cool the body?
a)
Shivering
b)
Sweating
c)
Vasodilation
d)
Vasoconstriction
59.
Which is the largest structure?
a)
Cells
b)
Tissue
c)
Organ
d)
Organism
60.
Which system moves body parts?
a)
muscular
b)
skeletal
c)
digestive
d)
respiratory
61.
Which system provides oxygen and removes carbon dioxide?
a)
digestive
b)
muscular
c)
respiratory
d)
nervous
62.
Which system controls all parts of your body and sends/receives messages?
a)
muscular
b)
digestive
c)
circulatory
d)
nervous
63.
Which system carries blood to and from body cells?
a)
muscular
b)
circulatory
c)
skeletal
d)
respiratory
64.
Which system supports the body and protects organs?
a)
skeletal
b)
muscular
c)
respiratory
d)
digestive
65.
Which system provides nutrients to the body?
a)
circulatory
b)
nervous
c)
digestive
d)
skeletal
66.
Bones, skin, and kidneys are considered?
a)
systems
b)
organs
c)
tissues
d)
cells
67.
What are the building blocks of life?
a)
arteries
b)
cells
c)
organs
d)
capillaries
68.
Which system has the brain as the main organ?
a)
skeletal
b)
muscular
c)
nervous
d)
respiratory
69.
What is the correct order of biological organization from most simple to most complex?
a)
tissue, cells, organs, systems
b)
organs, cells, tissues, systems
c)
cells, tissues, organs, systems
d)
systems, organs, tissues, cells
70.
the jelly like substance in the plant cell.
a)
cytoplasm
b)
choroplast
c)
vacuole
d)
nucleus
71.
What structure is in  plant cells but not animal cells. 
a)
cell membrane
b)
mitochondria
c)
cell wall
d)
vacuole