Rags To Riches
8 Questions
| Total Attempts: 110
Topics of Science for the 21st Century : You and your genes, air quality and planet Earth
Questions and Answers
- 1.How many chromosomes does a sperm have ?
- A.
0
- B.
92
- C.
46
- D.
23
- 2.What is the name for bits of unburnt carbon ?
- A.
Nitrogen dioxide
- B.
Sulphur dioxide
- C.
Particulates
- D.
Carbon dioxide
- 3.Which of these dissolves in rain water to make acid rain ?
- A.
Nitrogen monoxide
- B.
Carbon
- C.
Sulphur dioxide
- D.
Carbon monoxide
- 4.If both parents carry the recessive gene for Huntingdon's disorder, what is the chance that their child will have this disorder
- A.
1 in 4
- B.
1 in 2
- C.
1 in 3
- D.
1 in 1
- 5.Which of these is a pollutant made only from burning fuel in hot car engines ?
- A.
Sulphur dioxide
- B.
Carbon monoxde
- C.
Carbon dioxide
- D.
Nitrogen monoxide
- 6.Which of these is NOT linked to continental drift ?
- A.
Earthquakes
- B.
Mountain building
- C.
Seafloor spreading
- D.
Mass extinction
- 7.Which of these is a secondary pollutant ?
- A.
Nitrogen dioxide
- B.
Carbon monoxide
- C.
Sulphur dioxide
- D.
Carbon dioxide
- 8.What is the correct name for the smallest particle which can take part in a reaction ?
- A.
Particulate
- B.
Element
- C.
Atom
- D.
Molecule
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