Worksheets7th Spring 16' Review (Part 2)
Total questions: 18
Worksheet time: 9mins
Name
Class
Date
1.
African violets are plants that can be grown from leaf cuttings. The leaf cuttings will produce roots and small plants called shoots.
Which of the following statements is true about African violets produced from leaf cuttings?
Which of the following statements is true about African violets produced from leaf cuttings?
a)
The parent plant and the offspring are genetically identical
b)
The parent plant and the offspring are similar but not identical.
c)
The offspring has different mutations than the parent.
d)
The parent plant and the offspring are the same size.
2.
Which structure is responsible for releasing the stored energy within plant and animal cells?
a)
Ribosomes
b)
Lysosomes
c)
Chloroplasts
d)
Mitochondria
3.
In a single-celled organism, which structure regulates the passage of water, food, and waste into and out of the cell?
a)
Nucleus
b)
Vacuole
c)
Cell Membrane
d)
Cytoplasm
4.
Which of the following determines the traits of an organism?
a)
Genes within the chromosomes
b)
Organelles in cells
c)
Ecosystem attributes
d)
Competitive organisms
5.
Paramecium and Euglena are organisms composed of one cell. Both organisms live in watery environments like ponds.
According to cell theory, Euglena and Paramecium are like larger organisms because they –
According to cell theory, Euglena and Paramecium are like larger organisms because they –
a)
are able to move.
b)
convert light into energy.
c)
extract energy from nutrients.
d)
live in the same kind of environment.
6.
A student observed a sample of 3 different cells under the microscope.
In order for the student to determine if the cells are from a plant or animal, the student should also identify the presence of which structure?
In order for the student to determine if the cells are from a plant or animal, the student should also identify the presence of which structure?
a)
Cytoplasm
b)
Chloroplast
c)
Mitochondria
d)
Cell membrane
7.
In the diagram above the path of a hot air balloon is shown.
Where does the hot air balloon have the greatest potential energy?
Where does the hot air balloon have the greatest potential energy?
a)
Q
b)
R
c)
S
d)
T
8.
In the above diagram the main function of this human body system is to
a)
produce sound for speaking.
b)
absorb nutrients from food.
c)
exchange gases with the environment.
d)
release saliva to aid in digestion.
9.
A man is pushing a 100 kg refrigerator up a 20 degree ramp at 2 m/s. Which of the following is true?
a)
As the man pushes the refrigerator up the ramp, work is done.
b)
If the man pushed the refrigerator at 6 m/s, more work is done.
c)
If 2 men move the refrigerator up the ramp, less work is done.
d)
No work is done
10.
Which process is best classified as a chemical change in the digestive system?
a)
chewing of food into smaller pieces
b)
saliva breaking down of carbohydrates into sugars
c)
transport of nutrients through the body
d)
muscles pushing and squeezing food down the esophagus
11.
At which point on the roller coaster will the car have the greatest kinetic energy, and the least potential energy?
a)
W
b)
X
c)
Y
d)
Z
12.
A drawing of a car engine is shown above.
What energy transformations occur when an engine is used to move a car?
What energy transformations occur when an engine is used to move a car?
a)
chemical energy to heat and mechanical energy
b)
electrical energy to heat and light
c)
mechanical energy to chemical and light energy
d)
light energy to chemical and mechanical energy
13.
The graph shows the movement of a car over time.
a)
10 km/hr
b)
12 km/hr
c)
30 km/hr
d)
60 km/hr
14.
A 40 kg box is next to a 2 m ledge as shown above.
Which of the following situations describes work being done?
Which of the following situations describes work being done?
a)
A student lifts the box 2 m from the floor to the ledge.
b)
A student holds the box 2 m above the ledge.
c)
A student weighing 40 kg sits upon the box.
d)
A student waits near the 40 kg box.
15.
Muscles contractions in the stomach mix and break food into smaller pieces.
What type of change occurs in this part of the digestive system?
What type of change occurs in this part of the digestive system?
a)
Thermal
b)
Solar
c)
Chemical
d)
Physical
16.
Jogging is an activity that causes the cells in the muscular system to use oxygen at a faster rate.
Which system is responsible for carrying oxygen to muscles?
Which system is responsible for carrying oxygen to muscles?
a)
Muscular
b)
Endocrine
c)
Respiratory
d)
Circulatory
17.
Which of these situations could be represented by this graph?
a)
A car drives 20 km on the highway in 30 minutes. The car then drives another 10 km in 35 minutes.
b)
A car drives 20 km on the highway in 30 minutes. The car then drives another 10 km in 5 minutes.
c)
A car drives 20 km on the highway in 20 minutes. The car then drives another 10 km in 20 minutes.
d)
A car drives 20 km on the highway in 5 minutes. The car then drives another 10 km in 30 minutes.
18.
When an athlete eats food and then uses the energy from the food to run, the athlete’s body converts –
a)
thermal energy to chemical energy
b)
mechanical energy to radiant energy
c)
chemical energy to mechanical energy
d)
radiant energy to thermal energy
100 %
