Practice questions for the Test
1. List the four characteristics of living things (4 marks).
1.
2.
3.
4.
2.
Its body must be organized in a way that enables it to meet its need, obtain and use energy.
It must be able to respond to their environment and adapt to it.__
It must be able to respond to their environment and adapt to it._
It must be able to respond to their environment and adapt to it.
List the 3 concepts (ideas) of the Cell Theory (3 marks)
1. Every living thing is made of one or more cells.
2. Cells carry out the functions needed to support life.
3. Cells come only from other living cells.
3.
The smallest unit that can perform the basic activities of life is
Answer : D
a. an organism.
b. tissue.
c. an organ.
d. a cell.
4.
The protective covering that surrounds every cell is called a
a. cell wall.
b. cytoplasm.
c. nucleus.
d. cell membrane.
5.
An example of a prokaryotic organism is a
a. bacterium.
b. frog.
c. seed.
d. human.
6. Name 5 living kingdoms
Answer: A
Answer : D
a.
b.
c.
d.
e.
7.
--------Animal ----------------Bacteria -----------------Protists ---------------Fungi-------------Plants ---
Which structure controls the movement of materials in and out of a cell?
Answer : B
a. Nucleus
b. Cell membrane
c. Mitochondria
d. Cytoplasm
8. A unicellular organism has ----------------------- and a multicellular organism has ---------------.
Answer : A
a. One cell, more than one cell
b. More than one cell, one cell
c. None of them
9. Which structure has fluid and organelles of the cells. Answer: D
a. Nucleus
b. Cell membrane
c. Mitochondria
d. Cytoplasm
10. If the DNA is contained in a membrane-bound organelle, the nucleus, the cell is called a ---Eukaryotic cell.
11. If the DNA is not contained in a nucleus, the cell is called a -----Prokaryotic cell.
12. Add extra chocolate to make it sweeter. Which of these is the dependent variable in this?
Answer: B
A. Amount of chocolate
B. Level of sweetness
C. Both A and B
D. None of these
13. I will feel energized if I eat too much. The 2 variables: 1. Amount of food eaten. 2. Level of
energizing Which one is the dependent variable? Answer: B
A. Amount of food eaten
B. Level of energizing
C. Both A and B
D. None of these
14. If I study more, I will get higher grades. The two variables: 1. The amount of study 2. Grades.
Which one is the independent variable? Answer: A
A. The amount of the study
B. Grades
C. Both A and B
D. None of these
15. Wildlife biologists make very careful observations and write down very detailed notes to
study. What method do wildlife biologists use to study the natural world? Answer: A
A.
B.
C.
D.
Description method
Modeling method
Experimentation method
Comparison method
16. Ali made a Volcano model in order to study how volcanos work. What method does ali use
to study the natural world? Answer : B
a.
b.
c.
d.
Description method
Modeling method
Experimentation method
Comparison method