unifying themes in Biology

1. QUIZ IN
EARTH & LIFE SCIENCE
Evolving Concept of Life Based
on Emerging Pieces of Evidence

2. 1. Dinosaurs are reptiles that existed for a very
long time. Which era did these organisms
evolve?
A. Cenozoic Era B. Mesozoic Era
C. Paleozoic Era D. Proterozoic Era

3. 2. What are called the remains of
living organism used in
understanding the
history of life on earth?
A. bone B. fossils
C. seeds D. shells

4. 3. One of the significance of knowing the
history of life is to determine the origin of
one living organism. According to
researches, the ___are the only surviving
species and one of the living evidences that
life have existed on Earth and evolved from
Homo erectus.
A. birds B. dinosaurs
C. human beings D. sponges

5. 4. This basic cell type possesses a true nucleus that
contains DNA
A. TRILOBITES
5. A basic cell type which lacks true nucleus. B. EUKARYOTES
6. The modern human that have evolved 250
thousand years ago.
C. PROKARYOTES
7. A marine animal first evolved at the beginning of
the Cambrian period, 542 MYA, where they
dominated the ocean.
D. HOMO
ERECTUS

6. 8. Which among the given examples
describes the unifying form and structure?
A. cellular basis of life
B. light as source of energy
C. bats have wings specialized for flying
D. living things arise from pre-existing
cells

7. 9. Makahiya plant closes its leaflets when
touched. This is an example of
______________
A. energy and life
B. response to stimuli
C. form and structure
D. reproduction and inheritance

8. 10. Which of the following best
explains why humans sweat when they
feel hot?
A. ability to grow
B. ability to reproduce
C. maintain the internal environment
D. use energy

9. 11. A nice smell of a plant is an
adaptation that ______________
A. helps the plant to keep the nutrients
inside.
B. pushes away the animals that try to
eat them.
C. attracts the pollinators.
D. regulates the internal environment.

10. 12. Study the given picture. Which of the
following DOES NOT describe it?
A. It shows how organisms respond
to its environment.
B. The organisms are growing and developing.
C. There is a transfer of energy among living
organisms.
D. They are evolving.

11. 13. Living organisms cannot live alone,
they are interacting with the abiotic
factors for sustainability of life. Which
among the organisms is considered as
the abiotic?
A. bacteria B. plant
C. light D. man

12. 14. Continuity of life is explained by
______________.
A. evolution
B. regulation
C. form and function
D. reproduction and inheritance

13. 15. Living things are considered
organisms if they possess which of the
following characteristics?
A. grow and develop
B. failure to produce offspring
C. absence of orderly structure
D. incapability of adapting to changing
environment

14. ARRANGE THE BIOLOGICAL SYSTEM
______16. ORGAN SYSTEM ________21. POPULATION
______17. CELLS ________22. COMMUNITY
______18. ORGAN ________23. ORGANISM
______19. TISSUE
______20. BIOSPHERE