Question 1
WAEC
•
2023
•
BIOLOGY
•
practical
Study specimens A, B, C and D and answer questions 1(a) to 1(f).
Question Parts
(
a
)
State three observable differences between specimens A and B.\(\begin{array}{|l|l|}
\hline
\text{A} & \text{B} \\
\hline
& \\
\hline
& \\
\hline
& \\
\hline
\end{array}\)
(
b
)
In the table below, use a tick (✓) to indicate the appropriate modes of reproduction of the organism that possesses each of specimens A, B and C.
\(\begin{array}{|l|l|l|l|l|}
\hline
\text{Specimen} & \text{Type of fertilization} & & \text{Reproductive process} & \\
\hline
& \text{Internal} & \text{External} & \text{Oviparous} & \text{Viviparous} \\
\hline
\text{A} & & & & \\
\hline
\text{B} & & & & \\
\hline
\text{C} & & & & \\
\hline
\end{array}\)
(
e
)
(i) Name the Phylum/Division of the organisms that possess each of specimens A and D. A: ___ . D: ___
(
e
)
(ii) Name the class of organisms that possess each of specimens A, B, C and D. A: ___ . B: ___ C: ___ . D: ___
(
d
)
State the biological function of men B to the organism that possesses it.
(
e
)
Crack open specimen B and carefully empty its content into a Petri dish. Complete the table below by naming three observable features of specimen B and state one function each of the features named.
\(\begin{array}{|l|l|}
\hline
\text{Three observable features} & \text{One function} \\
\hline
& \\
\hline
& \\
\hline
& \\
\hline
\end{array}\)
(
f
)
State one habitat each of the organisms that possess specimens A, B and D. A: ___ . B: ___ . D: ___ .
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About This Question
This is
Waec
2023
Biology
Question 1.
It is one of the
practical
questions from the
2023
Waec
Biology
examination.
The question covers
General
.