Question 5
WAEC
•
2021
•
BIOLOGY
•
essay
Question Parts
(
a
)
Complete the table below by naming the nutrient cycle that involves each of the given processes and give three other processes involved in the nutrient cycle. \(\begin{array}{|l|l|l|}
\hline
\text{Process} & \text{Nutrient cycle} & \text{Three other processes involved in the named nutrient cycle} \\
\hline
\text{Combustion} & & \\
\hline
\text{Precipitation} & & \\
\hline
\text{Lightning} & & \\
\hline
\end{array}\)
(
b
)
What is irritability?
(
ii
)
Complete the table below by stating the type of response elicited by each of the given actions.\(\begin{array}{|l|l|}
\hline
\text{Action} & \text{Type of response} \\
\hline
\text{Euglena moving towards source of light} & \\
\hline
\text{Opening and closing of Mimosa plant leaves} & \\
\hline
\text{Mosquitoes avoiding repellants} & \\
\hline
\text{Earthworm moving away from light} & \\
\hline
\text{Sperm cell moving towards chemical substances of an ovum} & \\
\hline
\text{Four O' Clock plant opening at 4.00 p.m.} & \\
\hline
\text{Shoot of bean seedling growing towards sunlight} & \\
\hline
\end{array}\)
(
c
)
Name three animals each that exhibit:
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About This Question
This is
Waec
2021
Biology
Question 5.
It is one of the
essay
questions from the
2021
Waec
Biology
examination.
The question covers
General
.
Difficulty level:
3
.