Biological Science 1 – Plant and Animal Biology
1. Which biological classification approach categorizes organisms based on derived characteristics
traced to a group’s common ancestors?
A. Chemotaxonomy
B. Cladistics Taxonomy
C. Cytotaxonomy
D. Numerical Taxonomy
2. Plants are classified as herbs, shrubs, and trees. What is the basis in this biological classification?
A. Evolutionary relationships
B. Gene pool
C. Morphology
D. Phylogenetics
3. How is species defined?
A. Based on the ability to interbreed
B. Based on the external appearance
C. Based on the DNA and protein sequence
D. Based on the number of adaptations to the same habitat
4. Which of the following taxonomic ranks is properly arranged from most inclusive to the least
inclusive?
A. Species, genus, family, order, class, phylum, kingdom, domain
B. Kingdom, phylum, domain, family, class, order, genus, species
C. Domain, kingdom, phylum, family, class, order, genus, species
D. Domain, kingdom, phylum, class, order, family, genus, species
5. What is the equivalent of a division in plant taxonomy?
A. Family
B. Genus
C. Kingdom
D. Phylum
6. Eukaryota consists of organisms that have a true nucleus and structures called organelles that
are surrounded by membranes. Which of the following are included in the Domain Eukarya?
I.
Animals and Plants
II.
Microbes
III.
Fungi and Protists
IV.
Bacteria
A. I only
B. I and III
C. II and IV
D. II, III, and IV
7. Who is considered to be the “first taxonomist”? He wrote De Plantis, a work that contained
1500 species.
A. Bauhin
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B. Caesalpino
C. Dioscorides
D. Theophrastus
What was the outstanding contribution of the two US zoologists namely, Kevin de Queiroz and
Jacques Gauthier?
A. They founded the Cladistic Era
B. They initiated the zoological code
C. They laid the foundation of the PhyloCode
D. They started the construction of evolutionary trees
Who was the Swedish naturalist who introduced the two-part scientific name?
A. Carolus Linnaeus
B. Charles Darwin
C. George-Luise Leclerc de Buffon
D. Otto Kuntze
An organism is a heterotrophic multicellular whose cells have cell walls. To which kingdom must
it belong?
A. Animalia
B. Fungi
C. Monera
D. Plantae
Under which kingdom are slime molds and algae classified?
A. Animalia
B. Fungi
C. Monera
D. Protista
Which of the following best describes an organism belonging to Kingdom Monera?
A. It is a unicellular eukaryote
B. It is a unicellular prokaryote
C. It is a multicellular heterotroph
D. It is a multicellular, autotrophic eukaryote
How does a dichotomous key help in classifying living things?
A. It presents the genus name and species name
B. It provides the two best traits of the organism
C. It gives the distinct structure of the organism together with its function
D. It shows a series of opposing descriptions of basic features of an organism
Analyze the following animals: fish, whale, house-fly, bat, penguin, and mosquito. Using a
dichotomous key, which will give you the best description?
A. Bat-fly only at night
B. House-fly – fly only at night
C. Mosquito - fly only at night
D. Penguin - fly only at night
Which of the following is not always true about living things?
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A. Living things are single-celled organisms
B. Living things maintain internal consistency
C. Living things reproduce sexually or asexually
D. Living things take in energy and use it for maintenance and growth
Why do plants use different carbon fixation pathways?
A. To minimize photorespiration
B. To produce more glucose and oxygen
C. The C3 cycle is not very efficient in making food
D. The C3 cycle and CAM are very efficient in producing glucose
Which do animals need from their environment in order to survive?
I.
Air
II.
Food
III.
Light
IV.
Soil
V.
Water
A. I, II, and III
B. II, III and IV
C. I, II, and V
D. I, III, and V
Which plant is found along the seashore or brackish water in the Philippines whose milky juice is
poisonous and can cause blindness when it touches the eyes and blisters to the skin?
A. Buta-Buta
B. Pongpong
C. Talumpay
D. Trompeta
The Talavera family lives in a barrio. Butch, the youngest in the family is suffering from eczema.
Which among the following may be used as medicinal plant to address his condition?
A. Akapulko
B. Niyog-niyogan
C. Sambong
D. Yerba Buena
Which of the following animals has not been known to transmit rabies to humans?
A. Bat
B. Fox
C. Raccoon
D. Rodent
Biological Science 2
21. Which proves that various organ systems work together to maintain homeostasis?
I.
When the temperature of the body is greater than the surroundings, the skin
loses heat by perspiration
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III.
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The body gains heat by radiation and conduction if the temperature of the body
is lower than the surroundings
The system of blood vessels comprising the head allows excess heat to escape
and cool the head off
A. I and II
B. I and III
C. II and III
D. I, II, and III
Which explains homeostasis?
A. Excess heat in the body
B. Regulation of room temperature
C. Maintenance equilibrium in the body
D. Abrupt changes in the internal environment for the proper functioning of the body
How does the body maintain homeostasis?
I.
By removing excess ions from the blood which are then excreted as urine
II.
By absorbing excess water when blood is diluted
III.
By losing heat through the skin when the temperature of the body is greater
than the surroundings
A. I and II
B. I and III
C. II and III
D. I, II, and III
Which of the following is not part of mechanism in homeostatic regulation?
A. Control center
B. Effector
C. Feedback
D. Receptor
When the temperature of the body is greater than the surroundings, how does the body
maintain homeostasis?
A. By conduction
B. By manual exercise
C. By perspiration
D. By radiation
Which statement of insulin is true?
A.
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59. Which of the following is true?
A. A molecule consists of two or more atoms of the same or different elements.
B. Molecules fuse together to form atoms, which come together to form electrons
C. Electrons and protons combine to form molecules, which comes together to form atoms
D. Protons are the fundamental structural units of elements, and each proton retains all
the properties of its element
60. Which of the following is not an important electrolyte in the body?
A. Carbon ions
B. Chloride ions
C. Potassium ions
D. Sodium ions
61. What is an atomic mass?
A. It is the sum of electrons and protons
B. It is the sum of electrons and neutrons
C. It is the total number of protons and neutrons
D. It is the difference in the number of protons, and neutrons
62. Glucose is a carbohydrate and is considered to be the most important simple sugar in human
metabolism. It has a chemical formula of C6H12O6. What does its formula mean?
A. It contains 6 protons of carbon and oxygen and 12 protons of hydrogen
B. It contains 6 atoms of carbon, 12 atoms of hydrogen, and 6 atoms of oxygen
C. It contains 6 molecules of carbon, 12 molecules of hydrogen, and 6 molecules of oxygen
D. The atomic mass of hydrogen is equal to the sum of the atomic masses of carbon and
oxygen
63. How many atoms of each element are there in 2 Al2(SO4)3?
A. 2 atoms of aluminum, 3 atoms of sulfur and 7 atoms of oxygen
B. 4 atoms of aluminum, 3 atoms of sulfur and 7 atoms of oxygen
C. 4 atoms of aluminum, 3 atoms of sulfur and 12 atoms of oxygen
D. 4 atoms of aluminum, 6 atoms of sulfur and 24 atoms of oxygen