BLG1501 Exam Questions and Answers

EXAM QUESTIONS AND ANSWERS – BLG1501 2016 to 2018
Question 1 – Multiple Choice Questions
1.1. An atom is defined as the smallest particle of…
a) a compound that can take part in a chemical reaction
b) an element that can take part in a chemical reaction
c) a molecule that reacts with other molecules
d) an isotope that takes part in a chemical reaction
e) a compound that reacts with other compounds
1.2. The three domains of life are the…
a) Eukarya, Fungi and Bacteria
b) Eukarya, Archaea and Bacteria
c) Eukarya, Fungi and Animalia
d) Eukarya, Archaea and Fungi
e) Eukarya, Bacteria and Animalia
1.3. Isotopes are…
a) atoms of different elements that have the same number of neutrons, but differ in the number of protons
b) atoms of the same element containing the same number of protons, but differing in the number of
electrons
c) atoms of the same element containing the same number of protons, but differing in the number of
neutrons
d) atoms of the same element containing the same number of electrons, but differing in the number of
neutrons
e) atoms of different elements that have the same number of neutrons, but differ in the number of electrons
1.4. The van der Waals interaction is a bond formed by…
a) polar positively charged and polar negatively charged atoms
b) polar positively charged and non-polar negatively charged atoms
c) non-polar positively charged and non-polar negatively charged atoms
d) positively charged and negatively charged atoms
e) non-polar positively charged and negatively charged atoms
1.5. Chitin is an example of a…
a) polypeptide
b) polysaccharide
c) fat
d) nucleic acid
e) glycerol
1.6. The electron configuration 1s22s22p6 belongs to…
a) carbon
b) oxygen
c) nitrogen
d) neon
e) magnesium
1.7. Ribosomes are responsible for…
a) protein synthesis
b) digestive compartments
c) photosynthesis
d) controlling the centre of the cell
e) the removal of waste from the cell




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