Biology

WAEC BIOLOGY OBJECTIVES AND THEORY ANSWERS

BIOLOGY OBJECTIVES ANSWERS
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BIOLOGY THEORY
1a> Explain briefly 4 factors that affect diffusion of substances.
1b> Explain d following terms:
i>active transport,
ii>transpiration.
1c> State 4 ways by which plants can reduce high rate of transpiration.
1d> State d features of red blood cells and how the features adapt to the cells to perform its functi[Receiving Text]y how sugar level of mammalian blood can be regulated.
B)explain active transport and the transpiration
1a)explain four factors that affect the rate of diffusion