True/False - JustAnswer



True/False

Indicate whether the sentence or statement is true or false.

1. Amoebas move by means of pseudopodia.

2. Prostists cause amebic dysentery, giardiasis, and sleeping sickness.

3. Some protests live in damp soil.

4. The kingdom Protista contains the eukaryotes that are not plants, animals, or fungi.

5. Disease is one of the greatest effects protests have on humans.

6. All protests are unicellular.

Multiple choice

1. Photosynthetic bacteria : sunlight::

a. chemotrophic bacteria : dead organisms

b. chemoautotrophic bacteria : inorganic molecules

c. photosynthesis : nitrification

d. heterotrophic bacteria : photosynthesis

2. The chromosomes of bacteria

a. Contain numerous types of organelles.

b. Are divided into compartments.

c. Vary in number, depending on the species of bacteria.

d. Contain a single circular piece of DNA

3. Bacteria that cause botulism may survive in canned food for a long time because

a. the can was left open

b. Some cans may contain viruses that protect the bacteria.

c. The bacteria may form endospores.

d. Sterilized cans do not have enough oxygen to harm the bacteria.

4. A pathogen is an agent that is

a. Beneficial to humans.

b. Harmful only to plants

c. Harmful to living organisms

d. Nearly extinct

5. Bacterial endospores

a. Occur where there is plenty of available food.

b. Allow certain species to survive harsh environmental conditions

c. Are similar to human tumors.

d. Can cause growth abnormalities in plants.

6. The symptoms of malaria

a. Include delirium and sweating.

b. Follow a cycle.

c. Include sever chills and fever.

d. All of the above

7. The kingdom Protista includes

A. most of the single-celled eukaryotes.

b. slime and water molds.

c. multicellular seaweed.

d. all of the above

7. giardiasis : contaminated water ::

a. amebic dysentery : mosquito

b. amebic dysentery : giardiasis

c. malaria : mosquito

d. malaria : food

8. In addition to causing disease, protests also affect humans through

a. their role in the nitrogen cycle.

b. The diseases they transmit to plants.

c. The diseases they cause in livestock.

d. All of the above

9. A protest may be

a. unicellular and heterotrophic.

b. Unicellular and autotrophic.

c. Multicellular and autotrophic.

d. All of the above.

True/False

1. In ATP, three phosphate groups branch from a five-carbon sugar, ribose.

2. Autotrophs make their own organic molecules by using energy from inorganic materials or sunlight.

3. The major light-absorbing pigment in plant photosynthesis is chlorophyll.

4. During aerobic respiration, the breakdown of a molecule of glucose yields a net of two molecules of ATP.

5. Glycolysis is carried out in the cytoplasm of cells.

6. Aerobic respiration must follow glycolysis if a cell is to maximize its ATP production.

7. Photosynthesis is a process that takes place in autotrophs.

8. Fermentation and aerobic respiration both take place in the absence of oxygen.

9. As light intensity increases indefinitely, the rate of photosynthesis increases indefinitely.

10. ATP is a nucleotide with two carbohydrate groups.

11. Most plants are heterotrophic.

12. ATP is a portable form of “energy currency” inside cells.

13. During photosynthesis, carbon dioxide and water, in the prensence of light, are used to form sugars and oxygen gas.

14. Lactic acid fermentation is a type of anaerobic process.

15. Glycolysis occurs during the second stage of cellular respiration.

16. Glycolysis breaks down glucose into two pyruvates.

17. Heterotrophic organisms use light energy to make organic compounds.

18. All organisms require energy to make organic compounds.

19. All organisms require energy to make organic compounds.

20. All organisms require energy to carry out the life processes.

21. Oxygen is not present during aerobic respiration.

The questions below refer to the following balanced chemical equation.

C6H12O6 + 6O2 ( 6CO2 + 6 H2O + MOLECULE A

22. Refer to the equation above. The process summarized by the equation above occurs in the

a. cytoplasm.

b. Mitochondria.

c. Endoplasmic reticulum.

d. Cell membrane.

23. Heterotrophs get energy

a. from organic molecules.

b. Through cellular respiration.

c. From breaking down food molecules.

d. All of the above.

24.Chemical energy stored in food molecules is released through

a. fermentation.

b. photosynthesis.

c. cellular respiration.

d. none of the above

24. Fermentation enables glycolysis to continue under

a. anaerobic conditions.

b. Aerobic conditions.

c. Photosynthetic conditions.

d. None of the above

25. Where does the process of photosynthesis takes place

a. nucleus

b. chloroplast

c. mitochondria

d. ribosomes

26. Many autotrophs obtain the energy they need for metabolism through

a. fermentation.

b. Photosynthesis.

c. Cellular respiration

d. Eating food.

27. The source of oxygen produced during photosynthesis is

a. carbon dioxide.

b. Water

c. The air.

d. Glucose.

28. As light intensity increases, the rate of photosynthesis

a. increases indefinitely.

b. Decreases indefinitely.

c. Increases until the light saturation point is reached.

d. Decreases until the light saturation point is reached.

29. Because of photosynthesis,

a. the atmosphere is rich in oxygen gas.

b. Plants can get energy directly from the sun.

c. Plants can produce carbohydrates

d. All of the above

30. The energy used in the Calvin cycle for the production of carbohydrate molecules comes from

a. ATP only

b. The Krebs cycle.

c. ATP and NADH.

d. Carbon dioxide.

31. Acetyl-CoA

a. Is formed from the breakdown of pyruvate.

b. Enters the Krebs cycle.

c. Combines with a four-carbon compound.

d. All of the above.

32. Products of the light reactions of photosynthesis that are required by the dark reactions are

a. oxygen and ATP.

b. Water and oxygen.

c. ATP and NADPH.

d. Oxygen and NADPH.

33. Heterotrophs are organisms that

a. produce food from inorganic molecules or sunlight.

b. Can survive without energy.

c. Must consume other organisms to get energy.

d. None of the above.

34. Where does the process cellular respiration takes place

a. mitochondria

b. ribosomes

c. nucleus

d. chloroplast

35. During the third stage of photosynthesis, sugars are produced from

a. ADP.

b. Glucose.

c. Carbon atoms from carbon dioxide in the air and hydrogen atoms from glucose.

d. Carbon atoms from carbon dioxide in the air and hydrogen atoms from NADPH.

36. Located in the chloroplast, a stack of thylakoids are called

a. thylakoidiums

b. thylakams

c. chlorophyll

d. granum

37. The dark reactions of photosynthesis

a. require ATP and NADPH.

b. Are light-independent.

c. Generate sugars.

d. All of the above.

38. When plants respond toward a source of light

a. thigmotropism

b. phototropism

c. tropism

d. geotropism

39 A type of fruit that develops from different ovaries

a. simple fruit

b. aggregated fruit

c. multiple fruit

d. ripen fruit

39. What is the largest part of most leaves?

a. petiole

b. palm

c. dicot

d. blade

40. Plant roots absorb water and

a. ward off bacteria

b. aid in reproduction

c. anchor plants

d. perform photosynthesis

41. Tube-like vessels that carry water, minerals, and sugar through a leaf are called

a. vesicles

b. stems

c. veins

d. petioles

42. What is the central vein of a pinnate leaf called?

a. midrib

b. node

c. petiole

d. center vein

43. What is a petiole?

a. several small blades linked together

b. the base of a flower

c. a vein within a leaf

d. a short stalk connecting a leaf to a stem

44. what are the main functions of stems?

a. for support and to transport nutrients and water

b. to carry out photosynthesis

c. to protect the plant from ground pests

d. to carry out fertilization

45. what characteristic can help to identify the leaves of a dicot plant

a. parallel leaf veins

b. branched leaf veins

c. a singular leaf vein

d. the absence of leaf veins

46. what is the reproductive organ of a flowering plant called?

a. egg

b. seed

c. fruit

d. flower

47. A plant that lives, reproduces and dies in one growing season is called a(n)

a. annual

b. biennial

c. perennial

d. periodic

48. In vascular plants, sugars are transported through

a. Phloem

b. Tracheids

c. Epidermis

d. Xylem

47. The opening in the epidermis of leaves that allow gas exchange are called

a. vascular bundles

b. veins

c. lobes

d. stomata

49. The cross section of a tree trunk shows nine growth rings. How old is the tree?

a. 9 months

b. 9 weeks

c. 9 years

d. 9 days

Matching:

50. Reproductive organ of a flowering plant

51. single large central root with that has smaller root hairs branching out

52. reproductive structure consisting of a plant embryo and its store food

53. leaves with smaller veins branching off a central vein

54. region where leaf and stem are attached

55. leaves resembling the fingers and palm of a hand

56. structure that supports leaves and flowers, and transport water and nutrients

57. short talk that connects the blade to a stem

58. flatten portion of leaf. Performs photosynthesis

59. tubelike vessel that carry water, nutrients, and food throughout the blades

a) petiole

b) tap root

c) fibrous root

d) flower

e) node

f) seed

g) blade

h) stem

i) vein

j) pinnate

k) palmate

l) phloem

Fill in the blanks:

60. The method by which roots are induced to grow when they are still on the parent plant. ________

61. A cut leaf or stem that is rooted is called a:______

62. Grasses and other plants with millions of branching roots have a ____ root system.

63. A leaf in which several veins radiate from a single point has ______ veination

64. Plants that live only one year are called: ____

65. Trees & schrubs are _____ which means they grow year after year.

66. A hormone that influence plant growth is known as an ________

67. A plant that grows toward gravity is called ___________

68. ____________ anchors the plant and collects water for a plant.

69. ________ a major photosynthesis surface on a plant

70. _________ gives above ground support for a plant

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