wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

ODMS DCA #2 Review

Total questions: 80

Worksheet time: 46mins

Name
Class
Date
1.
How many elements are represented in the compound?
Na2CO3
a)
1
b)
2
c)
3
d)
4
2.
What is the correct order of organization
a)
tissues-cells-organs-organ systems-organism
b)
cell-tissue-organs-organ systems-organism
c)
organism-cells-tissues-organ systems-organism
d)
tissues-cells-organs-organ sytems-organism
3.
What structures distinguish a plant cell from an animal cell?
a)
Plant cells have cell walls and ribosomes.
b)
Plant cells have cell walls and chloroplasts.
c)
Plant cells have chloroplasts and ribosomes.
d)
Plant cells have chloroplasts and mitochondria.
4.
Silicon is a semiconductor and has properties of both metals and nonmetals. What type of element is Silicon? 
a)
Metal
b)
Nonmetal
c)
Metalloid
d)
Pretty
5.
The elements argon, krypton, and xenon are all non-metals. What property would these elements have in common?
a)
Good conductor of thermal energy
b)
Poor conductor of electricity
c)
Shiny, lustrous surface
d)
Soft and malleable
6.
Metals have all of the following physical properties except __________.
a)
high conductivity
b)
shiny luster
c)
malleable
d)
brittle
7.
Which of the following chemical formulas represents a compound? 
a)
C3
b)
O2
c)
CH3CHO
d)
H2
8.
Carbon is considered an element while carbon dioxide is considered a compound. This is because carbon dioxide is –
a)
a gas at room temperature.
b)
made of two different elements.
c)
given off by green plants.
9.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
10.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
11.
Jack has a rock. The rock has a mass of 14g and a volume of 2cm3. What is the density of the rock?
a)
7 mL
b)
7 g/cm3
c)
28 g/cm3
d)
1/7 g/cm3
12.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
13.

What is the volume of Object X? The initial volume was 65 ml and the final volume after the rock was added is 90 ml.

a)

10.0 ml

b)

25.0 ml

c)

90.0 ml

d)

155.0 ml

14.

I have cell walls

I am an autotroph

I am multicellular

What am I?

a)

Plant

b)

Animal

c)

Eubacteria

d)

Unicorn

15.

I have no cell walls

I am eukaryotic

I reproduce sexually

I am multicellular

What kingdom do I belong to?

a)

Plantae

b)

Animalia

c)

Protista

d)

Fungi

16.
I am something that is alive or was once alive...
a)
Abiotic Factors
b)
Biotic Factors
c)
Bionic Flavors
d)
Biometric Robots
17.
Sunlight, clouds, moisture, temperature
a)
these are biotic factors
b)
these are abiotic factors
18.

What can an Autotrophic organism do that a heterotrophic organism can NOT?

a)

Make their own food

b)

Have a nuclues

c)

Reproduce through binary fission

d)

They're the same

19.
what is the control center in a cell
a)
mitochondria
b)
DNA
c)
nucleus
d)
movement
20.

also known as the "powerhouse" in a cell

a)

cell membrane

b)

storage

c)

cytoskeleton

d)

mitochondria

21.

What do all of these organisms have in common?

a)

They all have uniform offspring

b)

They are all made of cells

c)

They possess the same features

d)

They have the same internal and external structures

22.

Chloroplasts carry out...

a)

Phagocytocis

b)

Phylocytosis

c)

Photosynthesis

d)

Respiration

23.
Controls what enters and leaves the cell
a)
Mitochondria
b)
Cell Membrane
c)
Cell Wall
d)
Nucleus
24.

This organelle helps plants keep their rigid structure.

a)

Cell wall

b)

Cell membrane

c)

Chloroplast

d)

Nucleus

25.
The chewing and grinding of food into smaller pieces is an example of...
a)
Mechanical Digestion
b)
Chemical Digestion
26.
What energy transformation takes place within the digestive system when an apple is eaten?
a)
light to chemical
b)
chemical to heat
c)
chemical to light
d)
heat to light
27.
Which energy conversion is taking place when you put gasoline in a car?
a)
thermal -> electrical
b)
mechanical -> electrical
c)
chemical -> mechanical
d)
mechanical -> electromagnetic
28.
Gas exchange between the blood and the outside occurs in which system?
a)
Respiratory
b)
Circulatory
c)
Lymphatic
d)
Integumentary
29.
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
30.
The main function of the excretory system is....
a)
To filter waste from the blood stream and carry it outside of the body.
b)
To transport nutrients to the body.
c)
To break down nutrients for absorption.
d)
To provide structure and support for the body.
31.
detects, processes, and responds to information. It controls body processes and coordination
a)
skeletal system
b)
nervous system
c)
endocrine system
d)
lymphatic system
32.
When a bee helps pollinate flowers, it is assisting in 
a)
asexual reproduction
b)
sexual reproduction
c)
vegetative propogation
d)
fragmentation
33.
Paramecia usually reproduce asexually. Fish reproduce sexually. Suppose the environmental conditions in a lagoon where they live changes.
What advantage will the fish population have over the paramecium population?
a)
Sexual reproduction produces offspring that are identical to the parents.
b)
Sexual reproduction decreases the genetic variability in the fish populations
c)
Sexual reproduction limits the spread of harmful characteristics in fish populations.
d)
Sexual reproduction allows populations to adapt to new conditions over fewer generations.
34.
A segment of DNA that carries hereditary instructions from parent(s) to offspring is:
a)
heredity
b)
DNA
c)
genes
d)
chromosomes 
35.

The passing of traits from parent(s) to offspring is:

a)

heredity

b)

chromosomes

c)

genes

d)

recessive

36.

______________ reproduction produces diverse offspring with genetic variation. (different from each other)

a)

Sexual

b)

Asexual

37.

________________ reproduction produces offspring with no variation- they are identical or clones of the parent.

a)

Sexual

b)

Asexual

38.
Which of the following is an example of the effects of geotropism?
a)
Monarch butterflies migrate from Canada to Mexico each year.
b)
A hippopotamus submerges itself in water until the Sun goes down.
c)
A wilted flower returns to an upright position after being watered.
d)
A potted plant falls on its side, but it roots still grow downward.
39.
This before and after picture involving celery can best be described with which term?
a)
phototropism
b)
gravitropism
c)
turgor pressure
d)
thigmotropism
40.
What kind of response is this?
a)
Gravitropism
b)
Photosynthesis
c)
Thigmotropism
d)
Hydrotropism
41.
Which cell shows a wilted plant? 
a)
a)
b)
b)
42.
What energy transformation occurs during photosynthesis?
a)
thermal --> chemical
b)
kinetic --> radiant
c)
chemical --> radiant
d)
radiant --> chemical
43.

Which product of photosynthesis represents chemical (food) energy?

a)

glucose

b)

water

c)

oxygen

d)

sunlight

44.
If the plants contain 10,000 kcal of energy, how much energy would the hawk receive?
a)
0.1 kcal
b)
1kcal
c)
10 kcal
d)
100 kcal
45.
The grass that the mice eat contains energy. What is the source of energy for the grass?
a)
Rainwater
b)
The Sun
c)
The soil
d)
Minerals
46.
Which of the following is NOT needed for a producer to make its own food?
a)
Oxygen
b)
Carbon dioxide
c)
Sunlight
d)
Water
47.
The fox in this food web would be considered a:
a)
Tertiary Consumer
b)
Top Carnivore
c)
Secondary Consumer
d)
All of the above
48.

The arrows in a food chain or web represents what?

a)

They point to the organism that is being eaten.

b)

It shows how sunlight flows within an ecosystem.

c)

They show what direction the energy is flowing between organisms.

d)

They represent how water is transferred within a habitat.

49.

Plants that get their food from the sun's energy and act as source of food for other organisms in an ecosystem is called:

a)

Producer

b)

Consumer

c)

Decomposer

d)

Herbivore

50.
The process of change in the living parts of the ecosystem 
a)
ecological succession 
b)
primary succession 
c)
climax community
d)
pioneer species
51.
How do lichens contribute to primary succession?
a)
Lichens decompose organic matter from animals and plants
b)
Lichens begin to break down rock to form soil
c)
Lichens are nitrogen fixing bacteria
52.
The final stable community of plants and animals is called:
a)
pioneer community
b)
farmland
c)
climax community
d)
old field
53.
A drought has hit this grassland biome. How will this effect the rabbit population?
a)
The rabbits will increase in number.
b)
The rabbit population will stay the same.
c)
The rabbit population will decrease.
d)
The rabbit population will become extinct immediately.
54.
What type of succession is shown going from figure A to figure B?
a)
primary succession
b)
ecological succession
c)
secondary succession
d)
intermediate
55.
What is the name given to lichen or algae after a primary succession?
a)
pioneer species
b)
volunteer species
c)
founder species
d)
conqueror species
56.
Reaches a climax community quicker because soil is already present
a)
primary succession 
b)
secondary succession
c)
both types of succession
57.
A ___________________ is the area of land that collects runoff and channels it into a main river.
a)
rill
b)
gully
c)
stream channel
d)
watershed
58.
Humans affect watersheds and wetlands by :
a)
polluting
b)
destroying
c)
overbuilding
d)
all of the above
59.
The use of pesticides and fertilizers must be carefully monitored 
because of the effect they can have on the environment. 
Which of the following is a possible negative effect of the use 
of these chemicals on the environment?
a)
Runoff carries these chemicals into lakes and streams.
b)
Theses chemicals cannot be purchased in large bulk.
c)

These chemicals are expensive to produce.
d)
Storage space for these chemicals is limited.
60.
There are many different watersheds in the state of Texas.  The boundaries of a watershed are determined by
a)
number of people in the region
b)
the number of rivers
c)
height of the land
d)
type of weathering
61.
A __________ is where sediments often build up at the mouth of a river, where it enters a larger body of water. 
a)
delta
b)
estuary
c)
wetland
d)
topography
62.
Able to allow water to pass through
a)
Impermeable
b)
Runoff
c)
Pores
d)
Permeable
63.
Most water pollution is the result of __________________.
a)
natural processes
b)
animal waste
c)
human activities
d)
acid rain
64.
Surface runoff in a watershed that empties into the Mississippi river has become polluted by sewage and fertilizers.
Which of the following environments might become polluted as a result?
   
I.surface water downstream of the watershed
II. land environments along the banks of the river
III. environments upstream
IV. the groundwater in the area
a)
I only
b)
III only
c)
I, II, and IV
d)
I and II only
 
65.
What is the water that fills the cracks and spaces in underground soil and rock layers called?
a)
Groundwater
b)
Water Table
c)
Precipitation
d)
Snow
66.
What type of weathering is it when acid rain breaks down and changes the rock?
a)
chemical weathering 
b)
physical weathering
c)
erosion
67.
Is this an example of mechanical or chemical weathering?
a)
Mechanical weathering
b)
Chemical weathering
c)
It is deposition not weathering
d)
It is erosion not weathering
68.
Plants prevent soil erosion by-
a)
holding dirt in place with their roots
b)
providing food for herbivores
c)
the process of photosynthesis
d)
releasing water into the atmosphere through transpiration
69.
Some ecoregions of Texas experience frequent droughts during the hot summer months.  A drought would have which effect on the water table?
a)
The water table would disappear
b)
The water table would rise
c)
The water table remain the same
d)
The water would fall
70.
Pedro was creating a Venn diagram to compare an alluvial fan and a delta.  Which statement would he place in the center?
a)
Sediments are deposited by water when it slows down
b)
Formed at the base of mountains (dry land)
c)
Formed at the base of rivers when they reach bays, oceans or large lakes
d)
Alluvial fans and deltas have nothing in common.  
71.

I'm multicellular, heterotrophic and can reproduce sexually or asexually. I clean up the environment and recycle. Who am I?

a)

Plant

b)

Animal

c)

Fungi

d)

none of the above

72.

What is the main difference between primary and secondary ecological succession?

a)

Primary begins WITHOUT soil; Secondary begins WITH soil

b)

Primary is the first state and secondary is the second stage

c)

Primary builds plant community; secondary builds animal community.

d)

Primary begins WITH soil; Secondary begins WITHOUT soil

73.

Which of the following is the correct order of ecological succession?

a)

grass - shrubs - lichens - trees

b)

lichens - shrubs - grasses - trees

c)

lichens - grasses - shrubs - trees

d)

grasses - lichens - shrubs - trees

74.

What is the term that describes a steady and stable community?

a)

peak community

b)

turf community

c)

climax community

d)

disturbed community

75.
A giraffe has a long neck in order to better reach leaves to eat.  This is an example of _____. 
a)
an adaptation
b)
environment
c)
response
d)
stimulus
76.

What catastrophic event could cause plants to die due to salt water invasion?

a)

Hurricane

b)

Tornado

c)

Flood

d)

Wild Fire

77.
The greatest amount of energy is found at which level?
a)
producer
b)
primary consumer
c)
secondary consumer
d)
tertiary consumer
78.
How much energy is passed on to each trophic level in an energy pyramid?
a)
10%
b)
90%
c)
50%
d)
80%
79.
What is the name of bird W?
a)
Certhidea
b)
Geospiza
c)
Camarhynchus
d)
Platyspiza
80.

Snow, cold, and little food make life very difficult, especially in the winter. Some animals migrate south, others go into hibernation, others simply cope with the environment. Lynx, wolverine, and loons live here.

a)

temperate forest

b)

taiga

c)

tundra

d)

grasslands