Biology

1.     E coli is a shortened name for a bacterium that lives in our gut.  According to the rules of binomial nomenclature it is properly written as _______________.

a.     Escherichia COLI

b.    Escherichia Coli

c.     Escherichia coli

d.    escherichia coli

e.     escherichia coli

 

2.     What does the term “biodiversity” refer to in the field of biology?

a.     Total number of species on earth

b.    Genetic variation that exists within populations all of the earth’s species

c.     Total number of Earth’s ecosystems

d.    All of the above are correct

 

3.     Prokaryotic cells are classified in Domain(s) _______

a.     Archaea

b.    Bacteria

c.     Eukarya

d.    Archaea and Bacteria

e.     Archaea, Bacteria and Eukarya

 

4.

4.  The shape of this bacterium is __________ and the attachment filaments radiating out are called_________

a. bacillus…………. flagella

b. coccus……………cilia

c.  spirilla…………..pili

d. bacillus………… pili

e. vibrio…………….cilia

 

 

 

5.     A certain bacterium can withstand heating, drying and toxic chemicals that would kill most other bacteria. This indicates that it is probably able to form a __________

a.      Pseudopodia

b.     Conjugation tube

c.      Endospore

d.     Flagellum

e.      Endotoxins

6.What ecological role is played by cyanobacteria ?

a.  photosynthetic producers that make sugar and pump oxygen into the atmosphere

b. decomposers of dead leaves and dead animals

c.  chemosynthetic producers

d   pathogens of plants and animals

e.  predators of other bacteria

 

 

6.

 

7.     The term phytoplankton applies to photosynthetic, microscopic floating organisms such as________

a.     Protozoan ciliates and flagellates

b.    Aquatic plants

c.     Dinoflagellates, diatoms and some unicellular or colonial green algae

d.    Macroalgae and seaweeds

e.     Fungus like protists such as slime molds

 

8.      Which of the following statements is false?

a.     Most protists are aquatic.

b.    Protists are eukaryotes.

c.     Most protists are unicellular.

d.    Protists have more complex cells than prokaryotes.

e.     Photosynthetic protists are called protozoa.

9.

9.  Which of the following structures is used by amoebas to move and to eat?

a.  microvilli

b.  cilia

c.  flagella

d.  pseudopodia

e.  tendrils

 

 

 

 

 

10.  Into what kingdom do we place multicellular heterotrophic eukaryotes that acquire food by absorption from the environment and have cell walls made of chitin?

a.     Plantae

b.    Animalia

c.     Protista

d.    Fungi

e.     Proteobacteria

11.

11.  (See image to the left) A fungus surrounding a root absorbs food from the plant and in turn this fungus provides water and minerals to the plant.  This is a _________ relationship?

a. parasitic

b. commensalistic

c. predatorial

d. mutualistic

e. competitive

 

 

 

 

12.  (See image above).  A fungus growing together with a plant root in a way that benefits both is

a(n)_______

a.     Lichen

b.    Epiphyte

c.     Mycorrhizae

d.    Hemiparasite

e.     Halophyte

 

13.  Which group shares the most recent common ancestor with land plants?

a.      Fungi

b.     Cyanobacteria

c.      Brown algae

d.     Green algae –  charophytes

e.      Filamentous Bacteria

 

14.

14. The part of the moss the arrow points to is the _____________ and it produces spores by ____________

a.  male gametophyte……..mitosis

b.  female gametophyte…..meiosis

c.  sporophyte………………..mitosis

d.  sporophyte……………….meiosis

.

15.  Which of the following plant features is an adaptation for survival and reproduction on land?

a.     Cuticle

b.    Seed

c.     Vascular tissue

d.    Pollen grain

e.     All of the above

 

16.

16. The arrow is pointing to a __________ in the life cycle of a fern?

a.  sporophyte

b.  female gametophyte

c.  male gametophyte

d.  zygote

 

17.  Which of the following identifies allvascular plants that produce seeds?

a.      Mosses and ferns

b.     Ferns and Gymnosperms

c.      Gymnosperms and Angiosperms

d.    Only mosses

e.     Only Angiosperms

 

 

 

 

 

 

18.  (see image below)

18.  The structure is called a(n) ______ and it belongs to the _____ part of the flower.

a. stigma………………………female

b. anther…………………….. male

c.  anther……………………..female

d.  stigma……………………..male

e.  pollen tube…………….male

 

 

19.

A

B

E

19. ( see diagram to right)   Sperm nuclei are located in pollen produced at ________ and the egg is located within the _________

a.   C ……………..B

b.   A………………C

c.    A……………..D

d.    D……………..A

e.    B……………..D

 

D

C

 

20.  The wood of trees is actually layers of _______________

a.      Vascular cambium

b.     Cork cambium

c.     Secondary phloem

d.    Secondary xylem

e.     Cork

 

21.  Corn kernels, peppers, tomatoes and cucumbers all contain seeds and are derived from the ovary of a flowering plant; therefore in botanical terms, they are____________

a.      Fruits

b.     Modified Stems

c.      Modified leaves

d.     Sepals

e.      None of the above

 

22.  Which of the following statements do not apply to all animals?

a.     Animals are multicellular

b.    Animals are heterotrophic

c.     Animals are multicellular

d.    Animals have tissues and organs

e.     Animals are eukaryotes

23.  A marine biologist finds a small animal at the bottom of the ocean that is uniformly segmented with short stiff bristles and soft skin.  It has a complete digestive system and a circulatory system but no exoskeleton. Based on this description, this animal sounds like it is a(n)___________

a.     Flatworm

b.    Nematode

c.     Eel

d.    Annelid

e.     Squid

24.  Examine this diagram of a planarian.  It is a(n)____________

a.  acoelomate

b.  pseudocoelomate

c.  coelomate

 

 

 

 

 

24.

 

25.  (See the arrow pointing to the outer layer of cells in the planarian)  What is this germ layer called?

a.     Endoderm

b.    Mesoderm

c.     Ectoderm

d.    Placoderm

e.     Pachyderm

 

26.  Which reptilian adaptation enables reptiles to reproduce on land?

a.     Lungs

b.    Endothermic metabolism

c.     An amniotic egg

d.    Four legs

e.     Three chambered heart

 

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