EOCT Quiz #8

1. EOCT Quiz#8 35 Questions Created by Brandy McClain

2. #1. Which of the following is the bestevidence that this bird is nocturnal? a. The size of its eyes b. The shape of its beak c. The thickness of its feathers d. The length of its talons

3. #2. In rabbits, short fur (F) is dominant to long fur (f). According to the Punnett square, what is the chance of two heterozygous short-haired rabbits having offspring with short fur? • One in four • Two in four • Three in four • Four in four

4. #3. Which level of this food pyramid represents the largestbiomass? a. Bass b. Minnows c. Copepods d. Algae

5. #4. Which macromolecules are the primary energy source for organisms? • nucleic acids • proteins • carbohydrates • lipids

6. #5. According to this chart, the insects that are most closely related are the — a. Springtails and bristletails b. Springtails and proturans c. Bistletails and mayflies d. Dragonflies and proturans

7. #6. According to this table, a codon AGC is the code for which amino acid? • Cysteine (Cys) • Leucine (Leu) • Serine (Ser) • Tyrosine (Tyr)

8. #7. Which of these is most closely related to the oak weevil? a. A b. B c. C d. D

9. #8. Homeostasis is the maintenance of a relatively stable internal environment. Cells have several mechanisms that regulate their internal environments. Which of these mechanisms of cellular homeostasis expends energy? • Osmosis • Passive transport • Active transport • Diffusion

10. #9. According to the graph, addition of the enzyme amylase causes the reaction to — a. Speed up b. Give off heat c. Take in heat d. Slow down

11. #10. According to this simplified water cycle, the process of transpiration is the process that— • Releases water vapor from plants • Increases the rate of the water cycle • Speeds the evaporation of water • Causes photosynthesis in plants

12. #11. In the graph, what is the population of deer at the carrying capacity of the environment? a. 30 b. 10 c. 50 d. 70

13. #12. An experiment is designed to clear an oak-hickory forest and replant the area with pines. Which of the following species would be most threatened by this experiment? • Hooded warbler • Summer tanager • Cardinal • Field sparrow

14. #13. The above chart shows vertebrate embryo development. Which of these would be least related to the others? a. 1 b. 2 c. 3 d. 4

15. #14. Eutrophication of a lake occurs when a. Algal and bacterial populations grow quickly due to nutrients being washed into waterways b. Photosynthesis organisms are limited c. The diversity of its species increase d. Oxygen levels in the water increase

16. #15. Amoeba and paramecium belong to this kingdom: a. Eubacteria b. Fungi c. Protista d. Animalia

17. #16. Scientists have discovered a new species of bird. What is the BEST basis for determining this bird’s relatedness to other species so that it can be classified? a. Cell structure b. Habitat • Method of reproduction • DNA comparison

18. #17. Structures with no current biological function that are remnants of an organism’s evolutionary past are called a. Vestigial structures b. Analogous structures c. Homologous structures d. Fossil structures

19. #18. Which of the following is a biotic factor that would affect the population of trout in a stream? a. Sunlight b. Water temperature c. Water level d. Predators

20. #19. The digestion of pizza, the light reactions in photosynthesis, and the removal of a stain by laundry detergent all require ____, which are biological proteins that lower the activation energy for chemical reactions. a. Enzymes b. Antibiotics c. Carbohydrates d. Nucleic Acids

21. #20. Bacteria populations in a petri dish will go until the food source runs out. This type of growth is called: a. Exponential growth b. Carrying capacity c. Predator/prey growth d. Homeostasis

22. #21. What process accounts for species diversity because it offers genetic variation? a. Mitosis b. Meiosis c. Predation d. Symbiosis

23. #22. Which two organisms are MOST closely related? a. Birds & Snakes b. Crocodiles & Lizards • Birds & Lizards • Lizards & Snakes

24. #23. Like the camel, many animals that live in soft sandy areas have large wide feet compared to their body size. The large feet are an advantage in these environments because they — • are rapidly toughened by sharp sand grains • reduce the vibrations caused by walking • distribute body weight over a large area so they don’t sink into the sand • allow rapid digging in the sand

25. #24. An enzyme known as amylase is found in the saliva of humans. This enzyme helps to begin the process of digesting starch molecules in the foods we eat. Which of these BEST describes how enzymes like amylase help in the process of digestion? • Amylase acts as a buffer to keep the pH of foods at a consistent level. • Amylase breaks down the food molecules directly by forming powerful acids. • Amylase is a catalyst that speeds up the chemical process of breaking down food molecules. d. Amylase contains the DNA molecules necessary to assemble the proteins needed for digestion.

26. #25. Most organisms break down sugar to produce usable energy through the process of a. Cellular respiration b. Photosynthesis • Transpiration • Diffusion

27. #26. The nonpoisonous eastern scarlet snake has colored bands that closely resemble the very venomous coral snake. This selective adaptation provides the eastern scarlet snake with — • increased feeding opportunities • increased breeding opportunities • a method of avoiding predation • the ability to attract prey

28. #27. Cactus have thorns and small hairs on plant stems and leaves help to protect it from animals eating them. These thorns & hairs are an example of a(n): • Vestigial structure b. Homologous structure • Pioneer species • Adaptation

29. #28. These organisms live in extreme environments like in volcanoes and hydrothermal vents: • Fungi • Eubacteria • Archaebacteria • Protozoans

30. #29. Very large ears on animals that live in hot climates are an adaptation for: • Preventing dirt from getting into their eyes b. Fanning themselves • Hearing prey • Releasing heat and cooling the body

31. #30. Which of the following statements describes the process of natural selection? • Populations sharing the same gene pool interbreed and create new species. • New species are formed via genetic engineering. • Individuals survive that have inherited traits adapted to their environment. • Farmers select animals with desirable variations for breeding.

32. #31. Most of the ATP made during cellular respiration is produced in • Mitochondria b. Ribosomes • Lysosomes • Vacuoles

33. #32. Paramecium have contractile vacuoles that draw in or release water from the cell. The purpose of this is to: • Aid in moving and swimming • Maintain homeostasis • Aid in catching prey • Store proteins

34. #33. What are the reactants of cellular respiration? • Oxygen & Water b. Carbon dioxide & Sugar • Oxygen & Sugar • Carbon dioxide & ATP

35. #34. Which structure is used by Euglena to move? • Cilia • Psuedopods • Vacuole • Flagella

36. #35. This picture depicts what process? • Transcription • Translation • Replication • Duplication

37. The End