Directions: Read and analyze the following questions carefully. Then, write the letter of the correct answer on the space provided before each number.
1. Which pairs is properly matched?
A. Paleozoic: Dinosaurs
C. Paleozoic: Trilobites
B. Mesozoic: Vascular Plants
D. Cenozoic : Crinoids
2. Which of the following is properly arranged according to oldest to recent period?
1. Cenozoic II. Mesozoic III. Paleozoic
A. I II III
B. II III 1
C. III III D. III III
3. Which of the following organisms is the oldest?
A. Crinoids
B. Dinosaurs C. Trilobites D. Vascular Plants
-4. Which is NOT included on the Mesozoic Era?
A Cretaceous B. Jurassic
C. Triassic D Vascular Plants
5. Which organism does NOT belong to the group in terms of classification?
A. Dinosaur Bone B. Crinoid Stem C. Trilobite D. Vascular Plant
6. Which homologous structure is incorrect?
A. Human Arm: Whale Flipper
C. Human Arm: Alligator Forelimb
B. Bat Wing Butterfly Wing
D Bird Wing: Alligator Forelimb
7. Front limbs of man, cat horse, bat, whales, and other mammals are made up of same kind of bones.
In what ways are they different?
A. Size and Function B. Structure
C. Parts D. Development
8. On the process of evolution, Zebra and Horse has one common ancestor which is Pliohippus. This
is an indication of
A. Evolution is convergent
C. Evolution is divergent
B. Evolution Stops
D. Undetermined
9. Which of the following shows a convergent evolution?
A. Zebra and Horse B. Bird and Bat C. Human and Ape D. Lizard and Gecko
10. A bird and Butterfly wing has analogous structure but can be similar in what way?
A. Size
C. Function
B. Features
D. Origin
11. Which of the following is the correct sequence of embryonic development?
I Organogenesis
II. Gastrula
III. Blastula
A. I II III
B. III III
C. II III 1 DI III II
12. What similarity can be found on Fishes, Salamanders, Lizards, Birds, Cats and Humans?
A. They belong to the same group.
B. They are all mammals
C. They all similar during the first stage of embryonic development.
D. They belong to the same era of evolution.
13. At what stage of embryonic development where an organism will have total different structures?
A. Blastula B. Organogenesis
C. Gastrula D. Cannot be determined
14. At what stage of embryonic development wherein Fish and Salamander are the same in
appearance but different on appearance of Lizard, Bird, Cat and Human?
A. Blastula B. Organogenesis
C. Gastrula D. Cannot be determined
15. Which statement below proves that embryonic development can be an evidence of evolution?
A. Embryo is essential to development of an organism.
B. Embryo is an early stage of development
C. Embryo is the final stage of development.
D. Embryo differentiates different organisms for its classification

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