EOCT Review

1. EOCT Review #3 40 Questions Created by Brandy McClain

2. 1 Which of the following is an example of incomplete dominance? • White & red flowers that make pink flowers • Black & white chickens that make speckled chickens • Color blind parents make non-color blind children • Tall & short parents make tall children

3. 2 Which of the following would be considered a member of a pioneer community for an area? • Cedar trees • Lichens • Grasses • Flowers

4. 3 A hawk carries a field mouse to its nest to feed its young. The hawk is: • a herbivore • an omnivore • a decomposer • a carnivore

5. 4 The idea that both mitochondria and chloroplasts were once prokaryotes, but are now organelles in eukaryotes is called the: • Endosymbiotic Theory • Evolutionary Theory • Lamarck Theory • Cell Theory

6. 5 In humans, brown eyes, B, are dominant to blue eyes, b. Name the genotype and phenotype of a person who is heterozygous for this trait. • bb – blue eyes • Bb – blue eyes • Bb – brown eyes • BB – brown eyes

7. 6 Which of the following is a heterotroph? • Dandelion • Wheat • Mushroom • Willow tree

8. 7 Match this enzyme with the correct substrate: a. c. b. d.

9. 8 Which group names are used to make the scientific name of an organism? • Genus and species • Order and family • Class and Order • Kingdom and Domain

10. 9 Locomotive structures found in some protists include • Muscles • Appendages • Cilia • Tentacles

11. 10 This is where protein synthesis occurs: • Ribosomes • Nucleus • Mitochondria • Cell Membrane

12. 11 Which represents mitosis? • Sexual cellular reproduction b. The division of genetic material of a cell to produce a zygote c. The splitting of a cell to produce two daughter cells identical to the parent d. The splitting of a cell to produce two gametes with half the chromosomenumber of the parent

13. 12 Which of the following is characteristic of producers? • Ability to decompose dead organisms b. Ability to hunt c. Ability to eat plants d. Ability to undergo photosynthesis

14. 13 In humans, which of the following is considered a vestigial organ? • Liver • Colon • Stomach • Appendix

15. 14 Which group of organisms is an example of a population? • Leopard frogs in a stream • Birds in Colorado • Tress in a forest • Reptiles in the Sahara Desert

16. 15 Which of these is a common adaptation that helps desert plants conservewater? • waxy coverings on leaves & stems • large broad leaves • flowering at night • very deep root systems

17. 16 Which type of compound is NOT part of the structure of DNA? • Protein • Deoxyribose • Phosphate • Nitrogen base

18. 17 Which of these makes up the abiotic factors in an ecosystem? • Bacteria, fungi, mosses • Trees, flowers, grasses • Mice, raccoons, vultures • Rocks, minerals, rainfall

19. 18 One bird species that feeds on large seeds nests in the same tree as a bird that feeds on small seeds. How are the birds able to coexist? • They occupy different ecosystems b. They occupy different habitats c. They occupy different communities d. They occupy different niches

20. 19 Which of the following organisms is an autotroph? • Mushroom • Tree • Bactiera • Amoeba

21. 20 If elements are to be recycled in nature, which organisms must be present? • Decomposers • Predators • Herbivores • Parasites

22. 21 What biome is known for its largeherbivores, few trees, and fire-dependent ecology? • Desert • Grasslands • Tropical Rain forests • Tundra

23. 22 The method proposed by Charles Darwin to explain the process of evolution is termed: • Coevolution • Natural Selection • Principle of population • Spontaneous Generation

24. 23 Meiosis results in the formation of: • Cells with a haploid number of chromosomes • Cells with a diploid number of chromosomes • Cells with the same number of chromosomes as the parent cells d. Cells with only 1 chromosome

25. 24 What does the fossil record show about the history of species on Earth? • Species stay the same over time. • Species evolve from one form to another. • Modern species have no relationship to ancient species • No new species have emerged in the last 200 million years.

26. 25 Which term refers to the behavior of 2 species attempting to use the same living space, food source, and water source? • Predatory • Symbiotic • Competition • Mutualism

27. 26 In this process, cells use glucose to produce energy: • Photosynthesis • Homeostasis • Respiration • Lysosome

28. 27 Why do some strains of bacteria become resistant to antibiotics? • The bacteria develop a method of surviving without energy. • Through natural selection, some bacteria develop an adaptation that enables them to survive in the presence of antibiotics • The bacteria grow in habitats protected from antibiotics • Bacteria that live in host organisms are not affected by antibiotics.

29. 28 A cat’s phenotype can be determined by • Looking at the cat’s mother • Looking at the cat’s father • Looking at the cat’s DNA • Looking at the cat

30. 29 What is the purpose of transfer RNA (tRNA)? • It unzips the double helix so transcription can begin • It retrieves amino acids from the cytoplasm for protein construction • It carries genetic information to the ribosomes • It produces a complementary copy of a strand of DNA

31. 30 What form of energy is used by cells? • ATP • DNA • Enzymes • ABC

32. 31 A community in which barn owls and snakes consume only mice is being observed. If the number of snakes increases, which of the following is most likely to happenfirst? • The barn owl population will increase • The mouse population will decrease • The barn owl population will decrease • The mouse population will remain the same

33. 32 Which population would most impacted if the insects were eliminated? • Decomposers • Producers • Primary consumers • Secondary consumers

34. 33 In guinea pigs, the allele for rough coat (R) is dominant to the allele for smooth coat (r). A rough coat male and a smooth coat female mate. They produce several litters, of which 50% are rough coat and 50% smooth coat. What were the genotype of the parents? • RR x rr • Rr x rr • RR x Rr • Rr x Rr

35. 34 In a biomass pyramid, which tropic level has the greatest biomass? • Decomposers • Consumers • Herbivores • Producers

36. 35 In a food chain, the amount of energy that is passed from one trophic level to the next is about • 10% • 20% • 50% • 90%

37. 36 This picture represents: • Endosymbiotic Theory • Biomagnificaiton • Disease • Evolution

38. 37 Structures with no current biological function that are remnants of an organism’s evolutionary past are called • Vestigial structures • Analogous structures • Homologous structures • Fossil structures

39. 38 Which of the following does NOT provide valid evidence of evolution? • The fossil record • Comparative anatomy • Molecular biology • Acquired characteristics

40. 39 According to Lamarck’s ideas about use and disuse, changes caused by an organism’s lifestyle could be: • Temporary at best • Evolved • Acquired during its life time • Harmful to survival

41. 40 Eutrophication of a lake occurs when • Algal and bacterial populations grow quickly because of excess phosphorous introduced into the ecosystem • Photosynthesis organisms are limited • The diversity of its species increase • Oxygen levels in the water increase

42. The End