Forest Ecosystem MOCK Exam 1 Flashcards
Sexual reproduction involves the union gametes from separate parents. In asexual reproduction, one parent gives rise to offspring that virtually is identical to it.
a. All statements are false
b. Statement 1 is false, statement 2 is true
c. All statements are true
d. Statement 1 is true, statement 2 is false
c. All statements are true
Palasan is a clustering, climbing and branching rattan species. It is an endemic species thriving in primary and secondary forest.
a. All statements are false
b. Statement 1 is false, statement 2 is true
c. All statements are true
d. Statement 1 is true, statement 2 is false
c. All statements are true
Leaves are considered _______ when they are narrow, several times longer than wide and of about the same width throughout, their margins nearly parallel.
a. Linear
b. Obovate
c. Lanceolate
d. Elliptic
a. Linear
Land biospheres and oceans together absorb half of all CO2 emitted into the atmosphere. If they soak up less CO2, what does this mean?
I. CO2 levels in the atmosphere will rise faster
II. Climate cloud warms more rapidly
III. Reproduction of animals will be faster
a. I&III only
b. I, II & III
c. I & ll only
d. II & Ill only
c. I & ll only
Seeds should be collected from mother trees with well-balanced crown, straight and cylindrical bole.
When seed fall is approaching, clean the area around the fruiting mother trees by 2 meters on each side beyond the projected crown diameter. If the projected crown diameter is 10 meters, what is the total are cleaned if there are 11 mother trees?
a. 1154.32 sq m
b. 115.43 sq m
c. 1049.4 sq m
d. 104.94 sq m
a. 1154.32 sq m
It is a large recognized community unit resulting from interaction between regional climate and regional biota.
a. Ecosystem
b. Biome
c. Habitat
d. Environment
b. Biome
Which among the following forest type is the most highly stratified and has the greatest diversity of ecological niches?
a. Peatland
b. Coniferous forest
c. Tropical Forest
d. Mangrove Forest
c. Tropical Forest
A small dry, indehiscent, one seeded fruit with tight, thin pericarp is referred to as,
a. Drupe
b. Some
c. Stone
d. Achene
d. Achene
The introduction of fast-growing exotic species will potentially increase of insect and pest attacks. One approach to prevent insect attack is through early warning and monitoring.
a. All statements are false
b. Statement 1 is false, statement 2 is true
c. All statements are true
d. Statement 1 is true, statement 2 is false
c. All statements are true
It is exclusively set aside to conserve the area or preserve the scenery while ___________ is set aside to protect scenic areas of national or international significance for specific and educational use.
a. Protected area - forest reserves
b. National Park - natural park
c. Forest reserve - protected area
d. Natural Park - national park
c. Forest reserve - protected area
A hypertrophic symptom characterized by profuse development of hairs on leaves appearing as patches
a. Sarcody
b. Chlorosis
c. Witch broom
d. Erinosis
d. Erinosis
The arrangement of vascular bundles in a leaf.
a. Pitch
b. Procambium
c. Ochrea
d. Venation
d. Venation
The ovendry weight of the soil is 32 grams. What is its green weight if the moisture content of the soil sample is 25%?
a. 40 grams
b. 20 grams
c. 50 grams
d. 30 grams
a. 40 grams
The study of growth and development of forest stands influenced by the various environment factors is referred to as _________
a. Forest influences
b. Silvics
c. Silviculture
d. Sericulture
b. Silvics
Fertility of the soil is influenced by the chemical, physical and biological qualities of the soil. Biological fertility effects water storage drainage.
a. All statements are false
b. Statement 1 is false, statement 2 is true
c. All statements are true
d. Statement 1 is true, statement 2 is false
c. All statements are true
Fungi do not contain chlorophyll. They make their own food.
a. All statements are false
b. Statement 1 is false, statement 2 is true
c. All statements are true
d. Statement 1 is true, statement 2 is false
d. Statement 1 is true, statement 2 is false
Organisms which break complex compounds of dead protoplasm, absorb products of decomposition and release inorganic nutrients are known as _________
a. Saprotrophs
b. Phagotrops
c. Allelotrops
d. Autotrops
a. Saprotrophs
The process wherein rainfall over long periods washes many water soluble, mineral, nutrients out of the soil is known as _________
a. Erosion
b. Percolation
c. Leaching
d. Surface runoff
c. Leaching
Is established for fire protection by clearing the grass vegetation which grows within the line strips.
a. Greenbelt
b. Buffer zone
c. Boundary
d. Fire line
d. Fire line
Fly ash refers to any solid particulate matter capable of being gas-borne. It consists predominantly, but not exclusively of carbon, ashes, or other combustible materials.
a. All statements are false
b. Statement 1 is false, statement 2 is true
c. All statements are true
d. Statement 1 is true, statement 2 is false
d. Statement 1 is true, statement 2 is false
What do you call an organism that is native or found only in one are?
a. Keystone species
b. Umbrella species
c. Endemic species
d. Flagship
c. Endemic species
A forest is a vast tract of land dominated by trees that developed naturally or established artificially by man and that it includes all organisms beneath its canopy. It possesses unique flora and fauna.
a. All statements are false
b. Statement 1 is false, statement 2 is true
c. All statements are true
d. Statement 1 is true, statement 2 is false
c. All statements are true
The natural dipterocarp forests in Mindanao are as big as the plantation forests therein. However, it was observed that pests and diseases problems seldom occur in the dipterocarp forest. Why?
I. Increase microbial activities
II. Comparatively low nutrient cycling III. Much reduced predator populations
IV. Favorable microenvironment
a. I, Il and IV
b. I and II
c. I and IV
d. I, Il and III
c. I and IV
The process that transfers the pollen grain from the other plant to the stigma of another flowering plant is known as ___________
a. Translocation
b. Pollination
c. Fertilization
d. Impregnation
b. Pollination
This is a rare and extraordinary plant with flowers that smell obnoxiously to attract flies that facilitate pollination. It was recently reported to be found in Antique.
a. Waling-waling
b. Picher plant
c. Jade vine
d. Rafflesia
c. Jade vine
The science which deals with the study of nature and causes of tree disease is known as _______
a. Forest pathology
b. Forest entomology
c. Pest Management
d. Tree Physiology
a. Forest pathology
Which of the following is the most severe form of erosion?
a. Splash
b. Gully
c. Rill
d. Sheet
b. Gully
This refers to attack of pre-emergence damping-off.
a. Infection occurs when seed germination
b. Infection of seed embryos prevents radical emergence
c. Micro-fungi infest stem and root system
d. Micro-fungi infest leaves only
b. Infection of seed embryos prevents radical emergence
Refers to the swelling of the bark beyond girdling wounds due to over accumulation food.
a. Dwarfing
b. Epinasty
c. Sarcody
d. Etiolation
c. Sarcody
Which of the following are characteristics of clay soil?
I. Excellent water holding capacity
II. Excellent mineral holding capacity
III. Difficult to work
a. I & III only
b. Il & Ill only
c. I, II, & III
d. I & II only
a. I & III only
Which refers to nitrogen fixation:
I. Microbial conversion of nitrogen to NH4
II. NH4 is not readily utilized by plants III. Maybe symbiotic or non-symbiotic
a. I & III
b. II & III
c. I, II, & III
d. I & II
a. I & III
An area located offshore that is inhabited by rare and unique species of marine flora and fauna.
a. Protected seascape
b. Marine park
c. Monument
d. National Park
a. Protected seascape
The cell division where in the chromosome is reduced by half is known as ___________
a. Anthesis
b. Cytokinesis
c. Mitosis
d. Meiosis
d. Meiosis
Involves control of the distribution, abundance and quality of wildlife through understanding its biology
a. Wildlife conservation
b. Wildlife management
c. Wildlife population
d. Wildlife biology
b. Wildlife management
Which of the following is not considered a tissue?
a. Mucous membrane
b. Cardiac
c. Brain
d. Cartilage
c. Brain
Apitong, Hagakhak and Palau belong to genus ________
a. Shorea
b. Vaticca
c. Dipterocarpus
d. Hopea
c. Dipterocarpus
Which of the following are negative effects of insects to humans?
I. Competing for food
II. Transmitting diseases
III. Destroying buildings and other manufactured product
a. I and III
b. II and III
c. I and II
d. I, II, and III
d. I, II, and III
An individual organism which is a product of the interaction between the genotype and its environment is referred to as __________
a. Hybrid
b. Clone
c. Mutant
d. Phenotype
d. Phenotype
What injury to plants is caused by intense exposure to sunlight?
a. Frost
b. Sunscald
c. Powdery mildew
d. Damping-off
b. Sunscald
The boundary between two ecosystems is referred to as
a. Fireline
b. Buffer zone
c. Shelterbelt
d. Ecotone
d. Ecotone
The variability among forest living organism and the ecological processes of which they are apart;
this includes diversity of forest within species, between species and of the ecosystem.
a. Genetic resources
b. Forest biological diversity
c. Ecosystem
d. Key biodiversity area
b. Forest biological diversity
Which of the following is NOT a hypertrophic symptom?
a. Witchbroom
b. Tumefication
c. Gigantism
d. Chlorosis
d. Chlorosis
The following are the principal causes of wood deterioration, except
a. Physical and chemical deterioration
b. Insect attack and fungal decay
c. Impact on the load
d. Mechanical wear
c. Impact on the load
Injuries to forest trees by insects may result to which of the following?
I. Reduction of growth rate of injured II. trees
Degrading of wood products
III. Death of injured trees
a. II and III
b. I, II and III
c. I and II
d. I and III
b. I, II and III
Which of the following affect seedlings?
I. Die back
II. Leaf blight
III. Roof rot
a. I, II and III
b. I and III
c. II and III
d. I and Ill
a. I, II and III
The total number of globally threatened tree species was reported to be 7, 388. The world estimated tree species is 100, 000. what is the approximate percentage of those which are not threatened?
a. 86%
b. 39%
c. 7%
d. 93%
d. 93%
What is the area that contains heterogeneous collection of ecosystems?
a. Niches
b. Habitat
c. Community
d. Landscape
d. Landscape
It refers to the body that administers an established protected area as prescribed in NIPAS Act.
a. Protected Area Management Council
b. Protected Area Management Commission
c. Protected Area Management Board
d. Protected Area Management Committee
c. Protected Area Management Board
It is the process by which liquid is changed to vapor.
a. Infiltration
b. Evapotranspiration
c. Interception
d. Evaporation
d. Evaporation
What type of soil contains more hydroxyl ion than hydrogen ion?
a. Saline soil
b. Neutral soil
c. Acidic soil
d. Alkaline soil
d. Alkaline soil
It is a parenchymatic tissue in the center of dicot stem.
a. Plastid
b. Sapwood
c. Midrib
d. Pith
d. Pith
A plantation of A. mangium exhibits drying from the tip of the twigs and branches down to the main stem. What does this mean? The plantation is suffering from
a. Wilting
b. Die-back
c. Canker
d. Rotting
b. Die-back
Good nursery site should have which of the following characteristics?
I. Generally flat and exposed to sunlight
II. Water availability through the year III. Accessible to roads and highways
a. I, II and III
b. I and III
c. II and III
d. I and II
a. I, II and III
It refers to the overall spreading of organisms across a physical scale, such as seeds or individuals, or movement away from the birth site.
a. Leaving
b. Dispersal
c. Migrating
d. Transferring
b. Dispersal
Mr. Reyes wants to establish a forest plantation. However, he is very much afraid of pests and disease infestation. What should he do to reduce the chances of pest and disease outbreaks in his plantation to be established?
I. Employ multiple species
Il. Choose species that are resistant to pest and diseases
III. Provide buffer zones between blocks
a. I and III
b. I and II
c. II and III
d. I, II and III
d. I, II and III
Cultural approach to avoid foliage disease should commence from __________
a. Vegetative production
b. Nursery site
c. Handling / Transport of seedlings
d. Plantation site
b. Nursery site
An insect order characterized by having mandibulate mouthparts, thick and hard front wings and with complete type of development is referred as ______
a. Dermaptera
b. Coleoptera
c. Orthoptera
d. Hemiptera
b. Coleoptera
These are tiny pores in the stem that permit passage of gas both inward and outward.
a. Stomata
b. Perforations
c. Lenticels
d. Xylem
c. Lenticels
The role of systematics is two-fold; first, is to name the variety of organisms. What is the second? a.
a. Elucidate the relationships between these organisms
b. Determine their growth rate
c. Determine their survival rate
d. Determine the mechanism by which they occur
a. Elucidate the relationships between these organisms
In agroforestry, the addition of fertilizer through an irrigation system is known as _________
a. Hydro-mulching
b. Fertilizer flowering
c. Fertilizer
d. Fertigation
d. Fertigation
These symptoms are manifested by enlargement or excessive development resulting from the
a. Necrotic
b. Chlorosis
c. Atrophic
d. Hypertrophic
d. Hypertrophic
Damping-off is characterized by which of the following:
I. Rapid decay of young succulent seedlings
II. Sudden wilting of seedlings
a. I&II
b. I only
c. II only
d. Neither I or II
d. Neither I or II
Which of the following are growth hormone used in micropropagation?
I. Cytokinins
II. Auxins
IlI. Gibberelic acid
a. I, II and III
b. I and Il
c. Il and III
d. I and III
a. I, II and III
Which refers to species diversity?
I. A measure of the species richness II. Expresses abundance of species
III. Either based on the number of individuals or biomass of each species
a. I, II and III
b. and II
c. I and III
d. I and III
a. I, II and III
