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BLG SUMMARY
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- University Of South Africa (Unisa)
BLG1502 COVERS MOST QUESTIONS AND ANSWERS AND SUMMARY OF THE BOOK
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BLG1502
EXAM REVISION PACK
ESSENTIAL EXAM QUESTIONS
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UNIVERSITY OF SOUTH AFRICA
MODULE: BLG1502
Question 1
1.1 Define the following terms;
a) Biology: The scientific study of life.(2)
b) Cell: The basic unit of life. (2)
c) Tissue: Integrated group of cells within a common structure. (2)
d) Organ: A specialized center of body function, several tissues conjoined. (2)
e) Organelle: Any of the several membrane enclosed structures with specialized
functions, suspended in the cytosol of eukaryotic cells (2)
1.2 Say whether the following statements are true or false;
a) Biosphere refers to individuals of a particular species living in a given area
[T/F] (2)
b) Diffusion refers to the movement of particles from an area of higher
concentration to an area of lower concentration only through a semi-
permeable membrane. [T/F] (2)
c) A plasmodesmata is only found in plant cells [T/F] (2)
d) Mitochondria are sites of cellular respiration [T/F] (2)
e) Chloroplasts are sites for cellular respiration [T/F] (2)
[10]
1.3 What are the seven properties of life?
a) Response to the environment (1)
b) Reproduce (1)
c) Growth & development (1)
d) Energy processing (1)
e) Osmoregulation (1)
f) Evolutionary adaptation (1)
g) Order (1)
[7]
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