ANSWER KEYS: NFAT-PG PRACTICE SHEET
PHYSICS:
1. d) Electric potential
2. b) Radially outward
3. c) Superposition
4. c) Second law of thermodynamics
5. b) Directed towards the center of the circle
6. c) Both a) and b)
7. b) Mass and velocity
8. c) 2T
9. b) Coulomb
10. b) Friction
11. a) Kinetic energy
12. d) Distance
13. d) 3 × 10^8 m/s
14. a) Elasticity
15. a) Energy can neither be created nor destroyed
16. a) The force acting on it
17. c) It forms a real image for objects placed beyond the focal point
18. a) Solid
19. b) Length of the pendulum
20. a) Slit is small and the wavelength is small
21. a) Watt
22. a) Expelling gases backward
23. d) Law of reflection
24. a) The internal energy remains constant
25. a) Current passing through it
CHEMISTRY:
1. a) Sodium chloride (NaCl)
2. c) Heterogeneous catalysis
3. c) Sodium chloride (NaCl)
4. c) +5
5. d) Concentration
6. a) Carbon (C)
7. a) The total number of ligands
8. c) Chloroform (CHCl3)
9. d) Helium and benzene rings
10. c) They can be classified as either natural or synthetic
11. a) -OH
12. c) Phenol (C6H5OH)
13. a) An ester
14. a) Acetone
15. c) Methanoic acid (HCOOH)
16. d) They can exhibit a wide range of functional groups
17. b) Combining monomers to form polymers
18. b) Higher than the molar mass of its monomer
19. d) The rate of the reaction product formation
20. a) Temperature
21. a) The breakdown of a compound by passing an electric current through it
22. b) The temperature of the reaction
23. a) The reaction between hydrogen and oxygen in the presence of a platinum catalyst
24. a) The conversion of a solid directly into a gas
25. d) Potassium hexacyanoferrate (K4[Fe(CN)6])
BIOLOGY:
1. d) Natural selection
2. c) Act as catalysts for chemical reactions
3. d) Nucleic acids
4. b) S phase
5. a) cAMP (cyclic adenosine monophosphate)
6. c) Circular DNA
7. c) Electron transport chain
8. d) ATP hydrolysis
9. d) Recombination
10. c) Protein folding
11. a) B cells
12. c) Phagocytosis by macrophages
13. c) Cut DNA at specific recognition sequences
14. b) Polymerase chain reaction (PCR)
15. a) Human gene therapy
16. b) Visualizing cellular structures
17. c) Electrophoresis
18. c) Ecology
19. a) Biodiversity
20. b) Species reintroduction
21. d) Chlorofluorocarbons (CFCs)
22. a) Gel electrophoresis
23. a) Concentration of hydrogen ions
24. b) Enzymatic activity
25. c) Ascorbic acid (Vitamin C)
FORENSIC SCIENCE:
1. b) Contaminate the evidence
2. c) Expert evidence
3. b) Daubert Standard
4. b) Criminology
5. c) Forensic ballistics
6. c) Fingerprints
7. d) Evidence preservation
8. c) Eyewitness testimony
9. a) The transfer of evidence between people
10. d) Issued after the crime has been committed
11. b) Forensic entomology
12. a) Forensic odontology
13. d) Interpretation
14. c) Developing a description of the offender based on evidence
15. b) Use a flash to enhance lighting conditions
16. c) Documentary evidence
17. b) Forensic toxicology
18. b) DNA Evidence Act
19. d) Time of day when the event occurred
20. d) Questioned documents examination
21. b) Forensic botany
22. d) Tasting
23. c) Forensic toxicology
24. a) Forensic anthropology
25. b) DNA
