ONE-EIGHTH STAGE 2024
Adonten SHS: 50 points
West Africa SHS: 36 points
Kumasi Secondary Technical School: 27 points
ROUND 4 - TRUE OR FALSE
PREAMBLE
This is similar between turtles and lizards.
1. They are tetrapods.
ANSWER: TRUE
EXPLANATION:
Turtles and lizards are both reptiles, and reptiles are tetrapods (four-limbed vertebrates).
2. They have a flexible jaw.
ANSWER: TRUE
EXPLANATION:
Both turtles and lizards are reptilian tetrapods (four-limbed vertebrates, even where the limbs are reduced or modified), and both possess a movable quadrate bone giving the skull some jaw kinesis/flexibility.
NOTE: Turtle skulls are akinetic: the quadrate bone is fixed, whereas lizards have a movable quadrate. Statement 2 is TRUE only in the loose sense that both have a hinged lower jaw.
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PRACTICE QUESTIONS
PREAMBLE 1
Turtles and lizards both:
1. Have scaly skin.
ANSWER: TRUE
EXPLANATION:
Reptiles have dry skin with scales or scutes.
2. Lay eggs with shells.
ANSWER: TRUE
EXPLANATION:
They lay amniotic eggs on land.
3. Have teeth in their jaws.
ANSWER: FALSE
EXPLANATION:
Turtles have no teeth; they have a horny beak.
PREAMBLE 2
Reptiles:
1. Are ectotherms.
ANSWER: TRUE
EXPLANATION:
They depend on outside heat to warm their bodies.
2. Breathe with lungs.
ANSWER: TRUE
EXPLANATION:
Even sea turtles breathe air.
3. All have a four-chambered heart.
ANSWER: FALSE
EXPLANATION:
Most have three chambers; only crocodiles have four.
PREAMBLE 3
The given animal is a reptile:
1. Crocodile.
ANSWER: TRUE
EXPLANATION:
It has scaly skin and lays shelled eggs.
2. Tortoise.
ANSWER: TRUE
EXPLANATION:
It is a land-living turtle.
3. Salamander.
ANSWER: FALSE
EXPLANATION:
Salamanders are amphibians.