BIOL 1409 Lab Midterm Quiz
Use the information from your Connect labs and homework assignments to complete this study guide.
Lab Safety (Connect Labs)
- When would a disinfectant be used on your work surface?
- List examples of personal protective equipment in the lab (PPE).
- What is the name of the source for information regarding hazards and handling instructions for any chemical in the lab?
- Is the use of cell phones allowed in a laboratory setting?
- How long should hands be lathered when washing your hands?
Review of Microscopy (Connect Labs)
- What knob on the microscope is used to move the stage upward or downward? Identify its number in the image.
- What knob on the microscope is used to fine-tune the focus? Identify its number in the image.
- What term is used to refer to adjusting the size of the object being viewed in a microscope?
- What is the magnification of the ocular lens? Identify its number in the image.
- Which metric unit is most appropriate for expressing the size of plant and animal cells?
Lab Bacteria (Connect Labs)
- How is an antiseptic different from a disinfectant?
- What is a chemical compound, regardless of its source (either natural or synthetic), that is capable of killing or inhibiting microorganisms is referred to as?
- At what temperature would you predict to see optimum growth rate of bacteria in a human body?
- What is an example of a differential staining procedure performed in lab?
- Describe the difference between a gram-positive cell and a gram-negative cell.
Lab 16.2: Kingdom Protista
- What is the difference between algae and protozoa?
- Insert a picture of Spirogyra in conjugation and in vegetative state. What is the difference between these two?
- What are zooflagellates known for?
- Insert a picture of plasmodium. Why can this organism be detrimental to humans?
- Insert a picture of an amoeba. What is their means of locomotion and ingesting food particles in their environment?
Lab 17: Nonvascular Plants and Seedless Vascular Plants (Handouts & Lab Review Questions)
- Describe the plants known as “The Bryophytes.”
- Insert a picture of a slide for the Mnium structure archegonia and antheridia. Which is male? Which is female?
- Insert a picture of the Marchantia What does the term sporophyte refer to?
- Insert a picture of a fern prothallium. Is this the sporophyte or gametophyte?
- Insert a picture of a Fern frond with sori. Why is this structure important to the plant?
- When two gametes fuse, what plant generation is formed?
- Do seedless vascular plants have dominant sporophytes or gametophytes?
Lab 18: Seed Vascular Plants (Handout & Lab Review Questions)
- Insert a picture of the stamen of a flower. Which sex would you give this structure?
- Insert a picture of the carpel (pistil) of a flower. Which sex would you give this structure?
- Insert a picture of a male Pinus cone and one of a female Pinus What is a clear distinction to tell them apart?
- Which generation, gametophyte or sporophyte, is dispersed by seed plants?
- What is the transfer of the seed plants’ male gametophyte by wind or a carrier called?
- What is the name given to plants that produce “naked seeds”?
- What is produced when double fertilization occurs in angiosperms?
Lab 19: Organization of flowering plants (Plant Form Handout & Lab Review Questions)
- Insert a picture of a monocot and dicot seed. If you were to plant a seed without knowing what it is, how would you be able to know which class it belongs to when it begins to germinate?
- Insert a picture of a slide of monocot and a dicot stem. How can you tell them apart?
- Insert a picture of a live specimen of monocot leaf and dicot leaf. What is the difference?
- What kind of plant tissue is composed of cells that divide?
- What term refers to stems that are nonwoody?
- What kind of growth do woody plants undergo when the diameter of their trunk increases?
Lab 20: Invertebrates
- Insert a picture of sponge. What phylum do sponges belong to?
- Insert a picture of Ascaris. What phylum does it belong to?
- Insert a picture of a crayfish. What phylum does it belong to?
- Is an animal a protostome or a deuterostome if the first opening becomes the mouth?
- What characteristics does an animal with a definite head region have?
Lab 21: The vertebrates
- Insert a picture of a sea squirt. What subphylum does it belong to?
- Insert a picture of an amphibian. What was their biggest adaptation?
- Insert a picture of a placental mammal. What does their infraclass infer about their young?
- What kind of development, protostome of deuterostome, is common to chordates and echinoderms?
- What do reptiles produce that ensures their embryos won’t dry out on land?