Edexcel AS Biology - Topics 1+2 Quiz Questions

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  • Created on: 20-02-13 22:00
Preview of Edexcel AS Biology - Topics 1+2 Quiz Questions

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BIOLOGY QUIZ ON EVERYTHING
1. What is the definition of diffusion? (3)
2. Why do the molecules diffuse like this? (1)
3. Do molecules move up or down the concentration gradient? (1)
4. What will eventually be reached? (1)
5. How are the lungs adapted for gas exchange? (3)
6. Name the tissue that reduces the thickness of the gas exchange surface (1)
7. Name the reaction that joins amino acids (1)
8. Name the bond holding 2 amino acids together (1)
9. Draw an amino acid, and label the groups + 2 joined amino acids (2)
10. Which part of the amino acid can change? (1)
11. Name the types of bonds in: (2)
Fibrous proteins -
Globular proteins ­
12. State ficks law (1)
13. Draw and label the fluid mosaic model (4)
14. Describe the membrane structure: (6)

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Page 2

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Explain why the membrane forms 2 layers (2)
16. For the following description write down its method of transport:
Glucose pumped into cell up its concentration gradient using ATP:
Cl- transferred out of cell through protein down its concentration gradient:
Water flowing into a cell down its concentration gradient
17. Draw an annotated diagram of a nucleotide (3)
18. Which nitrogenus bases link together to form the rungs in the DNA molecule? (2)
19. What bonds link the bonds together? (1)
20.…read more

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How are amino acids linked together?
33. Name 3 types of DNA mutation (3)
34. What is mutated that leads to C.F? (2)
35. Explain the symptoms of C.F? (3)
36. What word describes an organisms characteristics? (1)
37. What is an alternative form of a gene called? (1)
38. What word describes an organisms genes? (1)
39. What does mRNA bind to in the cytoplasm? (1)
40. In terms of energy how do enzymes catalyse a reaction? (1)
41.…read more

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Describe the effects of isotonic, hypertonic and hypotonic solution around a cell (3)
Isotonic ­
Hypertonic ­
Hypotonic ­
50. Describe Endocytosis and Exocytosis (4)
Endocytosis ­
Phagocytosis ­
Pinocytosis ­
Exocytosis ­
51. What is the definition of a catalyst and a biological catalyst? (2)
Catalyst ­
Biological catalyst ­
52. Describe the process of how an enzyme catalyses a reaction: (4)
1.
2.
3.
4.
53. What are the 2 models that explain enzyme activity? (2)
54.…read more

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Describe the order in which blood flows through the heart: (11)
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
57.…read more

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What are the 3 phases of the heart rhythm and what happens in each? (3)
1.
2.
3.
59. Name 3 characteristics of an artery (3)
1.
2.
3.
60. Name 3 characteristics of a vein (3)
1.
2.
3.
61. What is atherosclerosis and how does it affect the body? (2)
62. Describe the process of atherosclerosis (6)
1.
2.
3.
4.…read more

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Describe the process of blood clotting (4)
1.
2.
3.
4.
64. Give 5 risk factors for developing CHD: (5)
1.
2.
3.
4.
5.
65. What is a case study and what is a cohort study? (2)
Case -
Cohort -
66. Draw the single carbohydrate ­ glucose (1)
67.…read more

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What are the names of the reactions that join and break the carbohydrates? (2)
Joins ­
Breaks ­
69. Give 2 characteristics and an example of each: (9)
Monosaccharide ­
Disaccharide ­
Polysaccharide -
70. State whether these are found in plants or animals: (3)
Starch -
Cellulose -
Glycogen -
71. What are the names of the 2 molecules that make up starch, describe their structure? (2)
72. Draw a triglyceride molecule and label the bonds (2)
73.…read more

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Unsaturated ­
74. Fill in the table below: (10)
HDL LDL
Stands for: Stands for:
Protein level? Protein level?
Saturated/unsaturated? Saturated/unsaturated?
Transports... Transports...
Function is to... Function is to...
75. Name the 5 CHD risk factors: (5)
76.…read more

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APOB ­
APOE ­
77. What are radicals and what do they do? (4)
78.…read more

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