Question 1
WAEC
•
2024
•
BIOLOGY
•
practical
Study specimens B, D and E and answer questions 1(a) to 1(f).
Question Parts
(
a
)
Name the Phylum and Class of the organism that possesses specimen D. Phylum: Class:
(
b
)
State three observable features of specimen B.
(
c
)
(i) Give three functions of specimen B to the organism from which it was obtained.
(
c(ii)
)
State one function each of specimens D and E to the organism from which they were obtained. D: E:
(
(iii)
)
Mention one adaptation each of specimens D and E to the function stated in 1c(ii). D: E:
(
d
)
(i) Use the office pin provided to prick the dark green structure attached to specimen B. Touche the fluid oozing from the structure with each of the red and blue litmus papers at intervals. Record the observations and inferences on the table below.
\(\begin{array}{|l|l|l|}
\hline
\text{Test} & \text{Observation} & \text{Inference} \\
\hline
\text{Red litmus paper + fluid} & & \\
\hline
\text{Blue litmus paper + fluid} & & \\
\hline
\end{array}\)
(
d
)
(ii) Give three functions of the fluid tested in 1d(i) to the organism that possesses it.
(
e
)
(i) Name the biological system in the body of vertebrates that specimens D and E belongs to.
(
e
)
(ii) Which of specimens B, D or E is absent in humans?
(
f
)
(i) Name the mode of feeding of the organism that possesses specimen E.
(
f
)
(ii) Name one type of food that the organism that possesses specimen D consumes.
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About This Question
This is
Waec
2024
Biology
Question 1.
It is one of the
practical
questions from the
2024
Waec
Biology
examination.
The question covers
General
.