Biology Test One

1 What are recorded observations in an experiment called?

2 Which device is used to determine mass?

3 For any laboratory experiment, what should be the first step?

4 Use the graph below to answer the following question.

On day three what is the approximate height of the control plant?

5 A controlled experiment allows the researcher to isolate and test:

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6 To test a hypothesis that a certain virus causes cancer in rats, a biologist experiments with two groups of these animals. In a controlled experiment:

7 Patrice wanted to test the effect of temperature on plant growth. She filled three identical pots with the same kind of soil and identical seeds. She placed one pot in a sunny room, one in a cool basement, and one in a refrigerator. She gave each plant the same amount of water each day. After four weeks the plant in the warm room was taller than the other two plants. Patrice concluded that plants grow best in warm temperatures. Her conclusions was unwarranted because she fail to control one of the variables. Which variable should have also been controlled?

8 There are many sizes and shapes of plants and animals. This fact suggests that earth is:

9 A tropical fish hobbyist wants to see weather a new, more expensive fish food causes fish to grow faster. She sets up an experiments using three groups of ten fish each. The fish in group A receive a diet of the new fish food. Fish in group B receive the old fish food. Fish in group C received a mixture containing two parts new food and one part old food. The length of each fish is measured weekly. What is the control group in this experiment?

10 Using the chart below number 11 determine which species of bird has the largest population.

11 Using the chart below determine the reason for the small sunbitterns population.

12 A student wishes to find a diagram of a flower in his science book. Which part of the textbook is likely to be most useful?

13 In which part of a science textbook are definitions of science terms most likely to be found?

14 In her journal, Sandy recorded that it rained yesterday because after school she noticed that the sidewalks were wet. Which describes her journal entry?

15 Theories about the effects of radiation have changed over the years. Suppose you are preparing a report on the most current views on the subject. While searching for reference books, you find a book entitled Radiation and You. Which piece of information should you use to determine if this book will be useful source for your research?

16 All living things require:

17 Use the bar graph below to answer the question. Which population has remained the same size?

18 The branch of biology which focuses on the study of classification is known as:

19 Botany is the study of :

20 The science of how organisms develop is:

21 A scientist who studies living things is working in the field of:

22 If you were researching the effects of pollution on a river, you would be studying:

23 Complex carbohydrates break down into:

24 When the strong ATP bond is broken in the energy cycle:

25 Which proteins in the cell speed up chemical reactions?

26 What is always found in organic compounds?

27 Which of these has the most calories per gram?

28 The abiotic factors in a balanced terrarium should include:

29 White oak is also known as Quercus alba. Its species name is:

30 Who developed the modern system of taxonomy?

31 Which of these is the largest catagory?

32 Every organism is called by a two-word name representing its:

33 The Linnaean system of naming organisms uses:

34 Which is the broadest classification category?

35 A parasitic unicellular organism is found to have no organized nucleus. Choose the kingdom below in which this organism is classified.

36 The levels of classification in order from smallest to largest are:

37 The primary characteristic of all bacteria is:

38 The protist kingdom includes:

39 Families are divided into:

40 Nitrogen-fixing bacteria can be found in the roots of soybeans and other legumes. Farmers are advised to rotate these plants with other crops. What would be one outcome of this practice?

41 Which of the following processes involves the chloroplast?

42 The ability of a plant to turn its leaves toward light is called:

43 In a food chain, energy transferred to the next trophic level:

44 Organic matter in an ecosystem is measured as biomass. Compared to the biomass of the vegetation of its ecosystem, the biomass of a lion population is:

45 An organism which feeds only on consumers is:

46 Animals that are food for other animals are:

47 A climax community is the result of:

48 Large land areas with stable abiotic conditions and similar plants make up:

49 The Greenhouse Effect is responsible for:

50 As an ecosystem reaches its carrying capacity, there is an increase in competition for:

51 Vertical stratification, or the layering of organisms from top to bottom, occurs in many different types of biomes. What factor is MOST important in determining which plants will be found in the various strata within a tropical rainforest?

52 In what order would you take the following steps to organize a recycling program in your community? (I) Get local media to announce a recycling program for the community (II) Determine the type of materials which can be recycled in your community (III) Organize central sites for people to deposit recyclable materials

53 The “greenhouse effect” is an ecological problem associated with:

54 A significant increase in the population of Alaska is likely to cause:

55 An insecticide is mistakenly sprayed over a forest and dissolves the waxy coating of the pine needles. How will this affect the trees?

56

This food pyramid involves snakes, wheat ,owls, and mice. At which level would the wheat be placed in the pyramid?

57 The fruit in an apple orchard is being destroyed by larval insects. The owner wants to get rid of the insects without harming other animals. His first step should be:

58 Decreasing the use of chlorofluorocarbons (CFCs) can reduce:

(I) destruction of the ozone layer (II) global temperatures (III) the likelihood of developing skin cancer

For the next two questions read this paragraph and answer the questions that follow.

In the longstanding war between coyotes and sheep ranchers in New Mexico, studies show that (a) coyotes kill sheep (b) the percentage of sheep lost from herds in areas where coyotes have been exterminated is about the same as the percentage lost in areas where coyotes are still present.

59 What is a likely explanation for the similarity in the percentage of sheep lost in both areas?

60 According to ecologists’ understanding of predator-prey relationships, which is NOT likely to be an effect of completely exterminating coyotes?

61 The process of chemical activity which converts solar energy in chemical energy is called:

62 When you blow on a cold surface, the water vapor that you deposit comes from:

63 The process that converts energy-storing molecules to energy available for cellular activities is called:

64 Which type of cellular respiration occurs only in the presence of oxygen?

65 When cells break down food molecules, energy:

66 Heterotrophs are organisms that can:

67 Which of the following are NOT autotrophs?

68 All members of the plant kingdom:

69 Roots anchor plants, take in water and minerals, and:

70 In reproductive terms, which of the following could be a fruit?

71 Which is the male reproductive structure in plants?

72 Farmers often plant certain grain crops in autumn so that they will produce an “early” crop in the spring, before the dry summer months. If you tried to reproduce this timing in a lab, what special conditions would you need to provide to get the seeds to germinate?

73 When transplanting a wild plant to garden soil, it is very important to include some of the soil from the original habitat. This is most likely because soil from the original habitat would contain:

74 In the leaves of seed plants, the stomata are responsible for:

75 Which is the female part of the flower?

76 Which seed plant organs are responsible for sexual reproduction?

77 When pollen is transferred from the anther of one flower to the stigma of another flower, what has occurred?

78 Pines, spruces, and firs are:

79 Plants are an important part of our lives for all of the following reasons except:

80 The xylem is vascular tissue that:

81 You are given a plant in bloom one autumn and decide to keep it indoors as a house plant. Knowing that some plants require specific periods of light and darkness for certain activities, what should you do to ensure that this plant would bloom again?

82 Why would it be advantageous for stomata to be found on the upper surface of water lily leaves?

83 Which feature must be included in an aquarium for a sea star to survive?

84 Hookworms frequently infect children in tropical countries where the spend a great deal of time outdoors. What preventive measure would help protect more from hookworms?

85 Large scale spraying of generalized pesticides that kill most insects is not generally recommended. Why must care be taken in the application of pesticides? (I) many insects are vital for plant production (II) insects serve as a food source for other animals (III) individuals resistant to the pesticide survive to reproduce resistant populations

86 Marking and protecting their territory provides an adaptive advantage to organisms because (I) it spreads the members of a population over a larger area thus insuring a a better food supply (II) members of the group are less likely to mate under these circumstances (III) a territory reduces conflict and competition among members:

87 Invertebrates are defined as animals without:

88 All social insects are characterized by:

89 Which feature characterizes insects as arthropods?

90 Which do fish, frogs, snakes, birds, dogs, and humans have in common?

91 What purpose does an endoskeleton serve?

92 Use the illustration below to answer the question. What do the relative size of the olfactory lobes (the white areas) on the fish and bird brains indicate about these two vertebrates?

93 Arthropods have an exoskeleton and:

94 The digestive system of an earthworm includes:

95 All echinoderms live:

96 The special tissue that produces a shell in mollusks is the:

97 All mammals:

98 What do all chordates have in common?

99 Social insects have an arrangement know as “division of labor” for the purpose of survival of the colony. An example of a social insect is:

100 Platy helminthes have: