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Biology Quiz 6 (60 MCQs)

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1. Which organisms listed below are necessary for cycling matter from plants by the process of decomposition?
2. What is the charge of a hydrogen bonds
3. The leaf has a shiny, waxy cuticle around it to
4. Each single chromosome contains one very lone, linear DNA molecule that carries several hundred to a few thousand
5. What causes genetic variation in meiosis?
6. "Al-Qanun-fi al-Tib" was written by
7. Which blood vessel carries deoxygenated blood away from the liver?
8. Study of FUNCTIONS of the BODY PARTS
9. Why is cytokinin hormone used in micropropagation?
10. A ..... tumor becomes invasive enough to impair the functions of one or more organs, thus an individual with this type of tumor is thought to have cancer
11. For single-celled organisms, ..... ismostly an increase in size.Multicellular organisms go through aprocess called ....., where cellsdivide and differentiate into differentkinds of cells.
12. The earliest organisms that have been on earth the longest
13. What are the fundamental packaging units of eukaryotic chromosomes?
14. A farmer plants two species of grass with similar nutrient needs on the same small plot of land. What kind of interaction will most likely occur between the two species?
15. This equation:C6H12O6 + 6O2 + ADP + P $\rightarrow$ 6CO2 + 6H2O + Molecule A summarizes the process known as:
16. Made of monomers of nucleotides
17. During the Calvin Cycle of photosynthesis .....
18. Why is it important to have a control group in an experiment?
19. This structure packages, sorts and ships things within or out of the cell.
20. The variable that changes in response to the independent variable is called the ..... variable.
21. What is NOT a topic of biology?
22. Which process provides the raw materials needed for tissue repair?
23. If animals eat plants to get energy, where do plants get their energy?
24. A particular forest contains snakes, lizards, hawks, squirrels, bears, oak trees, and several types of plants and mushrooms. Together these organisms make up the forest's .....
25. What does Protein do for our body?
26. According to fossil records, the horses that lived 50 million years ago were much smaller, weaker and slower than modern horses. Which process is most likely responsible for the changes that have led to the increased size, strength, and speed in horses?
27. Identify where this occurs:Pairs of sister chromatids align at the equator.
28. If the convalent bond was broken what is release
29. Why would planting more trees be seen as a positive impact on the levels of CO2 in our atmosphere that have led to climate change?
30. Which do sea turtles breathe with?
31. Before cells can divide, what must be copied?
32. The summary at the end of an experiment that explains the results.
33. Heterotrophs are also known as:
34. What are the characteristics of artery?
35. When does the duplication of DNA occur?
36. Which cells are alive but lack organelles?
37. Which of the following correctly lists the levels of organization from least complex to most complex?
38. The science of heredity
39. A ..... is composed of a phosphate and glycerol head and 2 fatty acid chain tails.
40. What organelle is called the "powerhouse" of a cell?
41. Appetite is controlled by a centre in which part of the brain?
42. What are not the advantages of cells being compartmentalized?
43. Molecular Biology is
44. What is the function of the cell wall?
45. An alteration in an organism's characteristics that better enables it to survive in its environment.
46. What is NOT TRUE about the cell membrane
47. How are carbohydrates used in biological processes
48. Which 2 molecules form the sides (backbone) of the DNA ladder?
49. Reproduction that involves two cells from different parents unite to produce the first cell of a new organism.
50. What is Methane produced by?
51. What is the function of nitrogen in plant growth?
52. Prokaryotic and eukaryotic cells have many differences, but they also share some common features. Which of the following may be found in either type of cell?
53. Which of the following would be the appropriate response when the body's internal temperature drops below homeostasis?
54. Plants perform photosynthesis through this organelle. It captures energy from the sun and uses it to produce food for the cell.
55. The MOST important factor influencing trees losing their leaves is .....
56. At night, moths travel toward light. Which type of behavior does this describe?
57. Why does the energy needed by a human increase during the first ten years of life?
58. Metabolism is best defined as:
59. Reproduction that only involves one parent and all offspring are identical; for example, binary fission of bacteria or amoebas.
60. What is the study of plants called?
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