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Biology 7 - Mock Comp - Global - 1

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0% found this document useful (0 votes)
323 views9 pages

Biology 7 - Mock Comp - Global - 1

Uploaded by

f2tsd8wj64
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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1.

A boy has a hypothesis that tennis balls bounce higher than ping pong
balls. He drops a tennis ball and then a ping pong ball from the same
height and measures how high they each bounce. The independent
variable is __________.
A. the height that the balls were dropped from
B. the speed that the balls hit the ground
C. the height that the balls bounced to
D. the type of ball

2. You come across a green slimy object in a forest. As you get closer, the
object changes color and divides in two. Which characteristics of life has
this object displayed?
A. it can obtain and use energy and has DNA
B. it has DNA and is made of cells
C. it can sense change and can reproduce
D. it can excrete waste and is made of cells

3. Which statement regarding polysaccharides is true?


A. starch is used for energy storage in plants, glycogen is used for
energy storage in animals, and cellulose makes up the cell walls of
fungi
B. starch is used for energy storage in plants, glycogen is used for
energy storage in animals, and cellulose makes up the cell walls of
plants
C. starch is used for energy storage in plants and animals, and
cellulose makes up the cell walls of plants
D. glycogen is used for energy storage in plants and animals, and
cellulose makes fungal cell walls

4. The monomers of proteins are __________.


A. monosaccharides
B. animo acids
C. disaccharides
D. fatty acids
5. Carbohydrates __________.
A. contain carbon, hydrogen, oxygen and sometimes phosphorus
B. contain carbon, hydrogen, and oxygen only
C. contain carbon, hydrogen, nitrogen only
D. contain carbon, hydrogen, oxygen and sometimes nitrogen

6. Which of the following structure-function pairs is correct?


A. nucleolus : the “control center” of the cell
B. endoplasmic reticulum : makes ribosomes
C. lysosome : breaks down worn out organelles
D. vacuole : makes lipids

7. When proteins are made, they follow this pathway:


A. ribosome → endoplasmic reticulum → Golgi body
B. ribosome → vacuole → lysosome
C. ribosome → mitochondrion → vesicle
D. ribosome → Golgi body → endoplasmic reticulum

8. Na+ moves across a cell membrane from low to high concentration


through a membrane protein. This is an example of __________.
A. facilitated diffusion
B. active transport
C. simple diffusion
D. passive transport

9. Structures in prokaryote cells that contain DNA are __________.


A. plasmids and the nucleus
B. pili and the nucleolus
C. plasmids and the nucleoid
D. the nucleolus and the plasmids
10. Humans have an appendix – an organ that serves no function today but
was essential to the survival of our plant-eating ancestors. The human
appendix is __________.
A. an analogous structure
B. a homologous structure
C. a vestigial structure
D. a fossil

11. __________ is a heritable trait that increases fitness.


A. Variation
B. An adaptation
C. A homologous structure
D. Natural selection

12. Which of the following groups would include more organisms than a
class?
A. a family
B. an order
C. a genus
D. a phylum

13. Which of the following characteristics of life do viruses lack?


A. being made of cells
B. being able to reproduce
C. being able to adapt
D. being able to evolve

14. What is the difference between prokaryotes and eukaryotes?


A. Only eukaryotes have a nucleus and organelles
B. Unlike eukaryotes, prokaryotes can be multicellular
C. Only eukaryotes have ribosomes
D. Only prokaryotes have cell walls
15. The three domains of life are __________.
A. Archaea; Bacteria, and Eukarya
B. Plantae; Animalia, and Bacteria
C. Plantae; Animalia, and Fungi
D. Archaea; Bacteria, and Plantae

16. An organism is unicellular and has a cell membrane made of


peptidoglycan. This organism is probably __________.
A. a plant
B. a fungus
C. an Amoeba
D. a bacterium

17. Which of the following prokaryotes are ball-shaped?


A. bacilli
B. vibrio
C. spirilla
D. cocci

18. Kelp seaweed is __________.


A. a brown alga
B. a green alga
C. a dinoflagellate
D. a plant

19. Which of the following is true of the slime molds?


A. They are protists that are similar to bacteria
B. They are protists that are similar to fungi
C. They are fungi that are similar protists
D. They are fungi that are similar to animals

20. Which of the following groups is most similar to plants?


A. brown algae
B. green algae
C. dinoflagellates
D. diatoms
21. Which of the following have cell walls made of silica?
A. brown algae
B. green algae
C. dinoflagellates
D. diatoms

22. Which of the following is not a characteristic of fungi?


A. they have chitin cell walls
B. they are heterotrophic
C. some are unicellular and some are multicellular
D. they are photoautotrophic

23. Fungi use the following molecule for long-term energy storage:
A. glucose
B. starch
C. glycogen
D. cellulose

24. Which of the following is true of mycorrhizae?


A. they are a group of parasitic fungi that infect plant roots
B. they engage in a commensal relationship with plants
C. they help plants absorb water from soil
D. they are a group of protists that live inside plant leaves

25. Which of the following is true of lichen?


A. lichen is an example of commensalism
B. lichen can be made up of a fungus and algae
C. lichen is an example of parasitism
D. lichen is heterotrophic and does not need light to survive
26. A liquid in a laboratory accidentally falls on a petri dish and prevents the
growth of bacteria. This liquid probably contains __________.
A. starch
B. antivirals
C. antibiotics
D. algae

27. Which of the following are requirements of photosynthesis?


A. oxygen and sunlight
B. chlorophyll and oxygen
C. carbon dioxide and water
D. sunlight and glucose

28. What is the chemical formula of glucose?


A. C12H6O12
B. C6H12O6
C. C6H12O12
D. C12H12O6

29. In which group of plants is the gametophyte the dominant generation?


A. bryophytes
B. pteridophytes
C. gymnosperms
D. angiosperms

30. Which group of plants do mosses belong to?


A. bryophytes
B. pteridophytes
C. gymnosperms
D. angiosperms
31. Which group of plants have seeds but no flowers?
A. bryophytes
B. pteridophytes
C. gymnosperms
D. angiosperms

32. Which feature do all plants share?


A. xylem and phloem
B. a waxy cuticle
C. roots
D. seeds

33. What is the difference between xylem and phloem?


A. xylem transports substances downward and phloem transports
substances upward
B. xylem transports food and phloem transports water
C. xylem transports water and phloem transports food
D. xylem is made of living tissue and phloem consists of dead cells

34. Which of the following produces pollen?


A. the sepal
B. the stigma
C. the style
D. the anther

35. Which of the following makes the greatest use of animals for pollination?
A. bryophytes
B. pteridophytes
C. gymnosperms
D. angiosperms
36. An animal has bilateral symmetry, cephalization, and a blind gut. This
animal is most likely __________.
A. a cnidarian
B. a platyhelminth
C. a mollusc
D. an annelid

37. Snails are __________.


A. bivalves, belonging to phylum Cnidaria
B. gastropods, belonging to phylum Mollusca
C. cephalopods, belonging to phylum Mollusca
D. bivalves, belonging to phylum Platyhelminthes

38. Which of the following are characteristics of Arthropoda?


A. radial symmetry and a coelom
B. a pseudocoelom and segmentation
C. segmentation and a notochord
D. an exoskeleton and jointed appendages

39. Which of the following is not a characteristic shared by all chordates at


some point in their lives?
A. a notochord
B. pharyngeal gill slits
C. a post-anal tail
D. a ventral nerve cord

40. Which of the following organisms are warm-blooded?


A. birds
B. fish
C. amphibians
D. reptiles

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