Name: 
 

Gateway Practice Test No. 2



Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

1. 

gateway_no-_2_files/i0020000.jpg
What does this organism use to move about and capture food?
a.
Tentacles with stinging cells
b.
Water vascular system with tube feet
c.
Swim bladder and poison spines
d.
Closed circulatory system and fangs
 

2. 

Which diagnostic method uses magnetism to find injuries to muscles and other soft tissue?
a.
Arthroscopy
b.
Fracture
c.
X-rays
d.
MRI
 

3. 

Directions: Use the diagram below to answer qustions 3 and 4.
gateway_no-_2_files/i0040000.jpg
Which letter represents the organ through which food is absorbed?
a.
A
b.
B
c.
C
d.
D
 

4. 

Which letter represents the organ in which bile is produced?
a.
A
b.
B
c.
C
d.
D
 

5. 

What do fungi have in common with animals?
a.
They are autotrophs.
b.
They are heterotrophs.
c.
They can move.
d.
They use spores to reproduce.
 

6. 

Which land biome is extremely cold and dry?
a.
Deserts
b.
Tundra
c.
Grassland
d.
Mountains
 

7. 

What produces the egg and sperm cells during the life cycle of plants?
a.
Gametes
b.
Gametophytes
c.
Sporophytes
d.
Zygotes
 

8. 

The water in a cell --
a.
allows the temperature of the cell to change rapidly
b.
keeps substances from moving in and out of cells
c.
helps the cell keep its size and shape
d.
prevents chemical reactions from taking place
 

9. 

Why do scientists organize living things into groups?
a.
So they can find them in the wild more easily
b.
So organisms are easier to study
c.
So they can make sense of the variety of rocks on Earth
d.
So products from living things can be easily found in groceries
 

10. 

Which of the following SI units are listed in the correct order, from smallest to largest?
a.
Kilometer, hectometer, dekameter, meter, decimeter, centimeter, millimeter
b.
Centimete, decimeter, dekameter, hectometer, kilometer, meter, millimeter
c.
Millimeter, centimeter, decimeter, meter, dekameter, hectometer, kilometer
d.
Millimeter, centimeter, dekameter, meter, decimeter, hectometer, kilometer
 

11. 

Which of the following statements is part of the cell theory?
a.
Only plants are composed of cells.
b.
All cells are produced from other cells.
c.
Cells can be produced from nonliving matter.
d.
Cells are one of several basic units of structure and function in living things.
 

12. 

Which is NOT a characteristic of a plants's vascular tissue?
a.
It transports water and food inside the plant.
b.
It supports the plant's stems and leaves.
c.
It positions the plant's leaves closer to the sun.
d.
It transports egg and sperm cells for reproduction.
 

13. 

gateway_no-_2_files/i0140000.jpg
What cell process is represented in the drawing?
a.
Diffusion
b.
Osmosis
c.
Active transport
d.
Engulfing
 

14. 

Which of the following should you never do?
a.
Heat a liquid in an open container.
b.
Heat a liquid in a closed container.
c.
Heat a liquid in a glass container.
d.
Heat a liquid in a metal container.
 

15. 

Immunity is the body's ability to --
a.
distinguish pathogens from one another
b.
destroy pathogens before they can cause disease
c.
fight disease with the inflammation response
d.
produce antigens
 

16. 


Directions: Use the information and the chart below to answer questions 16 and 17.
gateway_no-_2_files/i0170000.jpg
What can you infer about the baby's parents?
a.
Neither has type AB blood.
b.
Both have type AB blood.
c.
One has type A blood, and the other has type B blood.
d.
Neither has type O blood.
 

17. 

Why does the baby have only two alleles if the inheritance of blood type is controlled by three alleles?
a.
Each of two chromosomes carries only one allele.
b.
Each chromosome can carry only two alleles.
c.
She has three alleles, but one is recessive.
d.
Each of her parents has only one allele.
 

18. 

gateway_no-_2_files/i0190000.jpg
Which of the following organisms is most closely related to those shown above?
a.
gateway_no-_2_files/i0190001.jpg
c.
gateway_no-_2_files/i0190002.jpg
b.
gateway_no-_2_files/i0190003.jpg
d.
gateway_no-_2_files/i0190004.jpg
 

19. 

Which of the following kingdoms includes both unicellular and multicellular organisms?
a.
Eubacteria
b.
Protists
c.
Plants
d.
Archaebacteria
 

20. 

During DNA replication, adenine (A) always pairs with --
a.
guanine (G)
b.
cytosine (C)
c.
thymine (T)
d.
adenine(A)
 

21. 

The many overlapping food chains in an ecosystem make up a(n)
a.
food web
b.
niche
c.
energy pyramid
d.
feeding level
 

22. 

Gasses pass in and out of a leaf through the --
a.
phloem
b.
xylem
c.
cuticle
d.
stomata
 

23. 

What characteristics do all mammals have in common?
a.
They have feathers.
b.
They have a pouch.
c.
They are omnivorous.
d.
Their young feed on milk.
 

24. 

Which of the following is an example of predator adaptation?
a.
gateway_no-_2_files/i0250000.jpg
c.
gateway_no-_2_files/i0250001.jpg
b.
gateway_no-_2_files/i0250002.jpg
d.
gateway_no-_2_files/i0250003.jpg
 

25. 

Which of these is an example of a human tissue?
a.
gateway_no-_2_files/i0260000.jpg
c.
gateway_no-_2_files/i0260001.jpg
b.
gateway_no-_2_files/i0260002.jpg
d.
gateway_no-_2_files/i0260003.jpg
 

26. 

Which of the following characteristics do bacterial cells have in common with plant cells?
a.
Both have chloroplasts.
b.
Both have cell walls.
c.
Both are prokaryotes.
d.
Both have mitochondria.
 

27. 

Directions:Use the information given below to answer questions 27 and 28.
gateway_no-_2_files/i0280000.jpg
What was Samantha trying to discover?
a.
Does decaying meat produce maggots?
b.
Do maggots prefer one type of meat to another?
c.
Does the appearance of maggots depend on temperature?
d.
Does plastic wrap prevent meat from spoiling?
 

28. 

What conclusion should Samantha have reached?
a.
Meat will not decay if it is covered.
b.
Decaying meat produces maggots.
c.
Decaying meat does not produce maggots.
d.
Maggots live in meat and grow as the meat ages.
 

29. 

Which characteristics do biologists use to classify fishes into three major groups?
a.
Number of fins and type of diet
b.
Eye structure and number of teeth
c.
Color and length
d.
Mouth structure and type of skin
 

30. 

Directions: Use the information given below to answer questions 30 and 31.
gateway_no-_2_files/i0310000.jpg
How much unsaturated fat does each serving of this food contain?
a.
0g
b.
1g
c.
2g
d.
3g
 

31. 

What Percent Daily Value of carbohydrates would one serving of this food provide to a person who consumes 2,500 Calories each day?
a.
More than 12%
b.
Between 7% and 12%
c.
7%
d.
Less than 7%
 

32. 

Louis Pasteur demonstrated that killing organisms that cause a disease could --
a.
prevent the spread of the disease
b.
be accomplished only with antibiotics
c.
be accomplished only with over-the-counter medications
d.
make a person sick with that disease
 

33. 

Consumers that eat both plants and animals are called --
a.
omnivores
b.
herbivores
c.
carnivores
d.
scavengers
 

34. 

Which of these organisms is a protists?
a.
gateway_no-_2_files/i0350000.jpg
c.
gateway_no-_2_files/i0350001.jpg
b.
gateway_no-_2_files/i0350002.jpg
d.
gateway_no-_2_files/i0350003.jpg
 

35. 

Which of the following is an example of the benefits of genetic engineering?
a.
Cross-breeding to create disease-resistant crops
b.
Creating human insulin to treat people with diabetes
c.
Analyzing karyotypes and pedigree charts
d.
Growing a new plant from a cutting
 

36. 

Which of the following shows the path of food through the human digestive system?
a.
Mouthgateway_no-_2_files/i0370000.jpgesophagusgateway_no-_2_files/i0370001.jpgstomachgateway_no-_2_files/i0370002.jpgsmall intestinegateway_no-_2_files/i0370003.jpglarge intestinegateway_no-_2_files/i0370004.jpganus
b.
Mouthgateway_no-_2_files/i0370005.jpgtracheagateway_no-_2_files/i0370006.jpgstomachgateway_no-_2_files/i0370007.jpgsmall intestinegateway_no-_2_files/i0370008.jpglarge intestinegateway_no-_2_files/i0370009.jpganus
c.
Anusgateway_no-_2_files/i0370010.jpgmouthgateway_no-_2_files/i0370011.jpgesophagusgateway_no-_2_files/i0370012.jpgstomachgateway_no-_2_files/i0370013.jpgsmall intestinegateway_no-_2_files/i0370014.jpglarge intestine
d.
Mouthgateway_no-_2_files/i0370015.jpgesophagusgateway_no-_2_files/i0370016.jpgstomachgateway_no-_2_files/i0370017.jpglarge intestinegateway_no-_2_files/i0370018.jpganus
 

37. 

How do police use DNA fingerprinting to help solve crimes?
a.
By proving that a suspect's blood type matches evidence in a crime
b.
By showing that a suspect's fingerprints are at a crime scene
c.
By comparing a suspect's DNA patterns with evidence from a crime scene
d.
By matching phenotypes of suspects with DNA samples
 

38. 

Ponds and rivers are two types of --
a.
marine biomes
b.
rain forest biomes
c.
freshwater biomes
d.
estuary biomes
 

39. 

Which of these plants is NOT a dicot?
a.
gateway_no-_2_files/i0400000.jpg
c.
gateway_no-_2_files/i0400001.jpg
b.
gateway_no-_2_files/i0400002.jpg
d.
gateway_no-_2_files/i0400003.jpg
 



 
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