WorksheetsScience CA Review
Total questions: 24
Worksheet time: 12mins
Name
Class
Date
1.
Part of the body system is shown. The main function of this system is to ---
a)
Control Reproduction
b)
Transport Oxygen
c)
Produce Hormones
d)
Remove Waste
2.
Based on the information provided which of the organisms can produce offspring that are genetically identical to the parent organism?
a)
Ferns only
b)
Amoebas and yeasts only
c)
Cats, Hydras, Frogs and Ferns only
d)
Amoebas, Yeasts, Hydras and Ferns only
3.
The diagram shows parts of a cell. Which organelle stores the information that determines an individual's blood type?
a)
Organelle 1
b)
Organelle 2
c)
Organelle 3
d)
Organelle 4
4.
During the Industrial Revolution, Coal-burning factories produced black soot that covered the trees. In these areas, dark peppered moths increased while light peppered moths decreased. What contributed to this change?
a)
The soot-covered trees camouflaged the dark moths.
b)
The dark moths preyed on the light moths.
c)
Bird populations increased in the areas near these factories.
d)
The dark moths laid fewer eggs than the light moths.
5.
Based on the list provided of body parts, which of the following is a chemical change that occurs to the food?
a)
Reduction in size of food particles
b)
The movement of food to the stomach
c)
The breakdown of food by enzymes
d)
None of the answers.
6.
Which organelle is the table would correctly identify the function for chloroplast?
a)
Organelle 1
b)
Organelle 2
c)
Organelle 3
d)
Organelle 4
7.
Certain species of whiptail lizards have only female individuals and no males. These lizards reproduce asexually. What is one disadvantage of asexual reproduction for these lizards?
a)
A new population can be established by a single individual in a relatively short period of time.
b)
All the members of a population are genetically very similiar and less able to survive.
c)
They are smaller than lizards that reproduce sexually.
d)
They are more likely to develop a variety of tail lengths.
8.
Many processes occur in the digestive system. Which process is best classified as a physical change?
a)
Saliva converting the starch molecules in crackers into simple sugars.
b)
Digestive enzymes breaking down proteins into smaller fragments.
c)
Bacteria converting lactose into simple sugars in the intestines.
d)
Teeth grinding an almond into smaller pieces in the mouth.
9.
When a lion eats a zebra then uses the energy from the zebra to run, the lion's body converts -
a)
chemical energy -> mechanical energy
b)
electrical energy -> chemical energy
c)
chemical energy -> radiant energy
d)
thermal energy -> chemical energy
10.
When people run long distances, their muscles require increased amounts of oxygen. Which system is responsible for carrying this oxygen to the muscles?
a)
Muscular
b)
Nervous
c)
Circulatory
d)
Respiratory
11.
Based on the information provided, which theories are part of the modern cell theory?
a)
Theories 1, 2, 4, and 6
b)
Theories 2, 3, and 5
c)
Theories 1, 4, and 5
d)
Theories 2, 4, and 5
12.
The diagram shows one of the processes that occurs in vertebrates. According to the information, which two body systems work together during this process?
a)
Skeletal and Respiratory
b)
Circulatory and Excretory
c)
Endocrine and Excretory
d)
Respiratory and Circulatory
13.
The digestive system has an organ that provides the entrance of food. According to the chart, this organ is most connected to -
a)
Chloroplast
b)
Cell Wall
c)
Mitochondria
d)
Cell Membrane
14.
Which section would you correctly classify the following information:
Has a true Nucleus
Has a true Nucleus
a)
A
b)
B
c)
C
d)
None of the choices
15.
The students in a school move from class to class. Without the students, a school would not exist. What cell organelle is comparable to the students?
a)
Cell Membrane
b)
Cytoplasm
c)
Cell Wall
d)
Nucleus
16.
The kudzu was introduced to Japan to help with the soil. Over generations, the kudzu has grown to take over buildings, cars and even other plant life in order for it to survive. The kudzu would be an example of which of the following?
a)
Natural Selection
b)
Selective Breeding
c)
Genetic Mutation
d)
Overproduction
17.
Watermelons have developed over time by humans breeding for a more juicy center. This development as a result of human activity is an example of -
a)
Evolution
b)
Natural Selection
c)
Selective Breeding
d)
Adapt
18.
Which of the following correctly orders the organization in plants and animals from least to most complex?
a)
Organisms→ Organ Systems→ Organs→ Tissues→ Cells
b)
Tissues→ Cells→ Organs→ Organisms→ Organ Systems
c)
Organs→ Tissues→ Organisms→ Cells→ Organ Systems
d)
Cells→ Tissues→ Organs→ Organ Systems→ Organisms
19.
Roots will use the force of gravity to break its way through pipes so it can get to the water beneath it. This is an example of -
a)
Geotropism
b)
Thigmotropism
c)
Phototropism
d)
Hydrotropism
20.
When a plant wilts due to lack of water, it is responding to which of the following internal stimuli?
a)
Decreased water pressure within the plant cells.
b)
Lack of nutrients carried by water in the plant.
c)
Decreased rate of photosynthesis in the stem.
d)
Increased stroage of glucose in the leaves.
21.
What is the function of this body system?
a)
Exchange gases with the environment.
b)
Controls chemicals called hormones
c)
Assists with breaking down food.
d)
Removes Waste.
22.
Which body system will send signals to our brain in order to respond to an external stimulus?
a)
Nervous
b)
Integumentary
c)
Circulatory
d)
Endocrine
23.
What is mechanical digestion?
a)
The movement of food through our system.
b)
The breakdown of food molecules. into small molecules that can be used by the cell
c)
The change of food into simpler molecules.
d)
Plants response to sunlight.
24.
What three body systems work together to flex and relax your arm?
a)
Muscular, Digestive, and Integumentary
b)
Nervous, Endocrine, and Skeletal
c)
Skeletal, Nervous, and Muscular
d)
Endocrine, Integumentary, and Digestive
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