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Forest Ecosystem

Total questions: 100

Worksheet time: 1hrs 14mins

Name
Class
Date
1.

The Philippines eagle owl is the largest owl in the Philippines. This bird has 2 races, Philippines and mindanensis. Which of the following are characteristics of mindanenesis?

I. Has dark brown upperparts

II. Has rofous underparts

III. its legs are covered with feathers

a)

a. II and III

b)

b. I and II

c)

c. I, II and III

d)

d. I and III

2.

A Duhat at Novaliches, Quezon City was declared as one of the Philippines Centennial trees ( DAO No. 98-25). What is the scientific name of Duhat?

a)

Intsia biyuga

b)

Alstonia scholaris

c)

Sumanea saman

d)

Syzyguim cumini

3.

Which statement (s) is (are) TRUE?

I. The cell membrane is said to be differentially permeable if it is transparent.

II. The cell membrane is said to be differentially permeable if it allows all material to pass through.

a)

a. Neither I nor II

b)

b. I and II

c)

c. I only

d)

d. II only

4.

The ability of the phenotype to vary due to environment influence on its genotype is known as _____?

a)

a. Phenotypic Plasticity

b)

b.

Phenotypic elasticity

c)

c. Phenotypic genuity

d)

d. Phenotypic solidarity

5.

-------- is the space an organism can fill in the absence of competition or predation.

a)

a. Special niche

b)

b. Ecological niche

c)

c. Fundamental niche

d)

d. Adapted niche

6.

An epigeal seedling has ____hypocotyls and _____ cotyledon borne above the soil level.

a)

a. Undeveloped-unexposed

b)

b. Well-developed-unexposed

c)

c. Underdeveloped- exposed

d)

d. well-developed- exposed

7.

Plants are generally differentiated form animals by which of the following factors;

I. Ability to manufacture food

II. Unlimited growth

III. Presence of cell walls

a)

a. II and III

b)

b. I and II

c)

c. I, II and III

d)

d. I and III

8.

______ is the process of breaking once continuous expanses of an ecosystem type like the forest into island-like patches in a matrix of other land uses.

a)

a. Corridoring

b)

b. Fragmentation

c)

c. Buffer Zoning

d)

d. Dividing into compartment

9.

Which are characteristics of Philippine flying lemurs

?

I. They are nocturnal

II. They fly

III. They prefer disturbed rainforest over old-growth forests

a)

a. I and II

b)

b. I and III

c)

c. I and II

d)

d. I, II and III

10.

What family does Kapok

( Cieba pentandra) belong?

a)

a. Moraceae

b)

b. melicieae

c)

c. Bombacaceae

d)

d. Lauraceae

11.

Macronutrients are elements needed in very large amount . An example of macronutrients is;

a)

a. Iron

b)

b. Boron

c)

c. Zinc

d)

d. Sulfur

12.

it is a dehiscent dry fruit.

a)

a. Schizocarp

b)

b. Samara

c)

c. Nut

d)

d. Capsule

13.

It is a spacing arrangement wherein seedlings are planted in lines, but the distances are freely adjusted in case of advanced growth, fallen trees or other impediments.

a)

a. Line planting

b)

b. Equilateral spacing

c)

c. Semi-regular spacing

d)

d. Irregular spacing

14.

Damping-off is a common disease on seed beds of nurseries. Which of the following situation is favored by post-emergence damping-off?

a)

a. Hot weather when germination is delayed

b)

b. Humid weather and when seedlings are crowded in seeds beds

c)

c. Cold weather and when seedling are crowded is seedbed

d)

d. Cold wet soils when germination is delayed

15.

Which is NOT a condition that favors a damping-off?

a)

a. Overshading

b)

b. High organic content of the soil.

c)

c. Shallow sowing

d)

d. Overwatering

16.

An animal that actively seeks out other animals as source of food.

a)

a. Hunter

b)

b. Prey

c)

c. Scavenger

d)

d. Predator

17.

A bulky, short, vertical underground stem that stores food.

a)

a. Cortex

b)

b. Corm

c)

c. Corn

d)

d. Cork

18.

Which are considered as biotic agents of plants diseases?

I. Fungi

II. bacteria

III. Virus

a)

a. I and III

b)

b. II and III

c)

c. I, II and III

d)

d. I and III

19.

Gymnosperm are divided into monocots and dicots. They are flowering plants that have covered seeds.

a)

a. All statements are false

b)

b. All statements are true

c)

c. The first statement is true, the second is false

d)

d. The first statement is false, the second is true

20.

What section in RA No.758, explains the composition and responsibilities of the Protected Area Management Board?

a)

a. Sec 12

b)

b. Sec 4

c)

c. Sec 3

d)

d. Sec 11

21.

Which of the following objectives refer to tree improvement?

I. Genetic improvement and cultivation of phenotypically selected plants

II. Improvement of genetic base of species

III. Assurance of the availability of materials needed

a)

a. I and II

b)

b. I, II and III

c)

c. I and III

d)

d. II and III

22.

Phosphorus deficiency is manifested through purpling of the leaves and stunted growth. It is prevalent in volcanic ash soil such as those around Taal Volcano.

a)

a. Statement 1 is false; statement 2 is true

b)

b. Statement 1 is true; statement 2 is false

c)

c. All statement are false

d)

d. All statement are true

23.

Which of the following causes of biodiversity loss results to displacement of endemic or indigenous species?

a)

a. Pollution

b)

b. Over-exploitation

c)

c. Introduction of exotic species

d)

d. Habit loss

24.

Organic matter increases CEC of the soil. It is increases percentage of pores.

a)

a. The first statement is false, the second is trues

b)

b. All statements are false

c)

c. ALL statements are true

d)

d. The First statement is true, the second is false

25.

Which is a grassland species in the Philippines?

a)

a. Imperata cylindiraca

b)

b. Terminalia catappa

c)

c. Cuercus sp.

d)

d. Rhizophora sp.

26.

Sustainable development is defined in____ as the "harmonious integration of a sound and viable economy, responsive governance, social cohesion and ecological integrity to ensure that development is a life enhancing process"

a)

a. Global Agenda 21

b)

b. Executive Order No. III

c)

c. Philippines Agenda 21

d)

d. National Ecotourism Strategy

27.

____ refers to the escape of water in vapor from the plant through the stomata to the atmosphere.

a)

a. Evaporation

b)

b. Photosynthesis

c)

c. Respiration

d)

d. Transpiration

28.

Flowering plants are also called ____ because they have covered seeds.

a)

a. Dicots

b)

b. Monocots

c)

c. Angiosperms

d)

d. Gymnosperm

29.

Which of the following does NOT give seed oils?

a)

a. Palmae

b)

b. Euphorbiaceae

c)

c. Magnoliaceae

d)

d. Pittosporaecae

30.

They are known as UNESCO World Heritage sites in the Philippines.

a)

a. Mt. Apo and Tubbataha Reef

b)

b. Banaue Rice Terraces andTubbataha Reef

c)

c. Banaue Rice Terraces and Mt. Apo

d)

d. Mt. Isarog and Mt. Apo

31.

Which is NOT a characteristic of jade vine?

a)

a. The rough, woody stem turns and twists like a rope

b)

b. The fruit has one seed

c)

c. The flower cluster hand down gracefully

d)

d. The leaves are compound and deep green

32.

Damping-off develops in warm, damp and overcrowded condition and is soils with with high ____.

a)

a. Temperature

b)

b. NPK concentration

c)

c. pH

d)

d. Relative humidity

33.

What is that electrical device which is able to detect decay and discoloration in living trees?

a)

a. Electric meter

b)

b. Shigometer

c)

c. Geiger meter

d)

d. Decay meter

34.

They refer to thickened and hardened front wings of beetles.

a)

a. Lamelalate

b)

b. Clypeus

c)

c. Elytra

d)

d. Cersi

35.

A one-hectare area was planted to yemane art 2x2 m spacing. After 1 month, 10% of he planted seedling died. How many seedlings were left?

a)

a. 4500

b)

b. 2520

c)

c. 4000

d)

d.2250

36.

What are the advantage of the finer the texture of the soil?

I. The greater the mineral holding capacity

II. The greater the fertility of the soil

III. The less the fertility of the soil

a)

a. I, II and III

b)

b. I and II

c)

c. II and III

d)

d. I and III

37.

It is a collection of selected trees or species established for breeding.

a)

a. Seed production

b)

b. Breeding farm

c)

c. Breeding plantation

d)

d. Breeding arboretum

38.

This species have flowers which develop into green pods which turn blackish-brown at maturity. The pods when mature twists and intertwine into irregularly spiraled cluster.

a)

a. Gubas

b)

B. Mahogany

c)

c. Narra

d)

d. Mangium

39.

Which of the following can be planted in coastal sands?

a)

a. Pterocarpus indicus and Samanea saman

b)

b. Leucaena leucocephala and Pinus carribaea

c)

c. Agathis philippines and Eucalyptus camaldulensis

d)

d. Bitaog and Casuarina equisitifolia

40.

Wildlife conservation is important to maintain and protect existing wildlife. Which of the following are wildlife conservation programs in the Philippines?

I. Study of identity, biology and distribution of biodiversity/wildlife

II. Information, education and communication

III. Enforcement of regulation against gathering and transporting of wildlife

a)

a. II and III

b)

b. I and III

c)

c. I and II

d)

I, II and III

41.

Bioprospecting is the research, collecting and utilization of biological and genetic resources for which of the following purposes?

I. Cosmetic and health products

II. Chemical reagents

III. Traditional medicine of indigenous cultural communities

a)

a. I, II and III

b)

b. I and III

c)

c. II and III

d)

d. I and II

42.

A type of forest inhabited by the Philippines eagle:

a)

a. Mossy forest

b)

b. Beach forest

c)

c. Dipterocarp forest

d)

d. Molave forest

43.

Which is NOT a fungicide?

a)

a. Endrin

b)

b. Daconil

c)

c. Captan

d)

d. Bentale

44.

If the study of algae refers to phycology, What refers to the study of the identification and classification of plants?

a)

a. Systematics

b)

b.Genetics

c)

c. Mycology

d)

d. Physiology

45.

Adults of some members of this group usually feed on the bark, leaves and tender shoots of seedlings and trees.

a)

a. White ants

b)

b. Beetles

c)

c. Katytids

d)

d. Acheta testacus

46.

It refers to the collective term for the corolla and calyx.

a)

a. Sepal

b)

b. Flower

c)

c. Perianth

d)

d. Stamen

47.

What types of soil are largely made up of unaltered minerals from parent rocks?

a)

a. Loam and sand

b)

b. Clay and silt

c)

c. Sand and silt

d)

d. Sand and clay

48.

Mt. Guiting-guiting is a mountain found in the heart of ____.

a)

a. Palawan

b)

b. Camarines Norte

c)

c. Sibuyan island

d)

d. Panay Island

49.

Which of the following species from family Anarcardiaceae has fruits that are rounded, yellow and has edible pulp around the seed?

a)

a. Akle

b)

b. Lanite

c)

c. Lamio

d)

d. Mindanao cinnamon

50.

In arthropods, it is process of shedding its exoskeleton

a)

a. Whirring

b)

b. Vibrating

c)

c.. Molting

d)

d. Skinning

51.

Which is NOT a sap-feeding insect?

a)

a. Cicadella

b)

b. Tricentrus robustus

c)

c. Tessaratoma sp.

d)

d. Gargara varicolor

52.

Areas which are managed mainly for strict protection.

a)

a. Wilderness sutuella

b)

b. Protected landscape

c)

c. National parks

d)

d. Natural parks

53.

_____ is found in some plants which respond to touch.

a)

a. Phototropism

b)

b. Thigmotropism

c)

c. Thermotropsim

d)

d. Chemotropism

54.

Which statements are true for soil series?

I. Groups of soils developed from the same kind of parent material

II. Group of soils developed by the same generic combination of processes.

III. Horizon are quite similar in their arrangement and general characteristics.

a)

a. I, II and III

b)

b. I and II only

c)

c. I and III only

d)

d. II and III only

55.

Rhizoctonia solani causes which of the following diseases?

I. DAmping-off

II. Stem rot

III. Root rot

a)

a. I and III

b)

b. II and III

c)

c. I and II

d)

d. I, II and III

56.

A layer of soil parallel to the land surface with more or less defined characteristics produced through the operation of soil building operation is known as:

a)

a. Soil classification

b)

b. Soil horizon

c)

c. Soil order

d)

d. Soil profile

57.

It is study of the chemical and physical processes and behavior of plants.

a)

a. Plants genetics

b)

b. Plant physiology

c)

c. Plant pathology

d)

d. Plant ecology

58.

The second name in the binomial system representing a distinct population or group of population of an organism which can readily interbreed to produced fertile offspring and confined to a particular geographical range.

a)

a. Phyla

b)

b. Species

c)

c. Genus

d)

d. Order

59.

It refers to outgoing longwave radiation that is trapped by the atmosphere resulting in the warming of air.

a)

a. Solar radiation

b)

b. Ozone

c)

c. Green effect

d)

d. Acid rain

60.

What mountain is found in the heart of Misamis Occidental?

a)

a. Mt. Malindang

b)

b. Mt. Pulag

c)

c. Mt. Kanlaon

d)

d. Mt. apo

61.

Pako (Athyrterium esculemtum) is a characteristic plant on banks of swift streams. Which part of pako is eaten?

I. Young fronds

II. Young fiddle heads

III. Young roots

a)

a. II and III

b)

b. I and II

c)

c. I, II And III

d)

d. I and III

62.

This method is used to observe the development of a disease by attaching the disease portion to the healthy portion of the leaf.

a)

a. Clip method

b)

b. Jointing method

c)

c. Grafting method

d)

d. Marcotting method

63.

If the emphasis of cytology is the smallest unit of structure, what is the emphasis of anatomy?

a)

a. Internal structural development

b)

b. Nutrition of plants

c)

c. External appearance

d)

d. Classification of plants

64.

In case there are protected areas under the jurisdiction of government instrumentalities other than DENR prior to the passage of RA 7586, what should be done to them?

a)

a. It shall remain in the said government instrumentality without DENR intervention in the preparation of action plan.

b)

b. It shall remain in the said government instrumentality but should coordinate with DENR in the preparation of action plan.

c)

c. DENR should get and manage them

d)

d. DENR will establish said protected area

65.

What is the scientific term for insect blood?

a)

a. Ostia

b)

b. hemolymph

c)

c. Hematocytes

d)

d. Hemocoel

66.

The movement of water and nutrients form the soil into the plant without using its energy:

a)

a. Passive absorption

b)

b. Passive adsorption

c)

c. Stem flow

d)

d. Translocation

67.

This is one the largest pitcher plants and found only in Surigao, Mindanao.

a)

a. Nepenthes merrilliana

b)

b. Nepenthes alfredi

c)

c. Nepenthes citrinus

d)

d. Nepenthes farnesiana

68.

A corm is a kind of thick underground stem. The corm stores food in the ___?

a)

a. Roots

b)

b. Leaves

c)

c. Stem

d)

d. Branches

69.

Kalantas, Mahogany and Paraiso all belong to family_____.

a)

a. Dipterocarpaceae

b)

b. Caesalpiniaceae

c)

c. Meliaceae

d)

d. Anacardiaceae

70.

Which of the following have adults that normally inhabit in water?

a)

a. Coleoptera and the Trichoptera

b)

b. Neuroptera and Diptera

c)

c. Hemiptera and Coleoptera

d)

d. Trichoptera and Diptera

71.

Albizia falcataria is usually attacked by Corticum salmonicolor and this caused a stem disease known as canker which is a ____ symptom.

a)

a. Atrophic

b)

b. hypertrophic

c)

c. Systemic

d)

d. Necrotic

72.

Cicada and crickets have this type of legs.

a)

a. Raptorial

b)

b. Natatorial

c)

c. Cursorial

d)

d. Fossorial

73.

Neutral soils support most of the biological and chemical process, including ____ Which is the process by which green plants obtain many nutrients.

a)

a. Photosynthesis

b)

b. Photolysis

c)

c. Respiration

d)

d. Cation exchange

74.

What is that condition wherein seeds of certain plants germinate, while they are still attached to the mother plant?

a)

a. Vivipary

b)

b. Premature germination

c)

c. Quiescent

d)

d. Primary germination

75.

This is a type of seedling with underdeveloped hypocotyl and unexposed cotyledon below the soil level.

a)

a. Expogeal

b)

b. Hypogeal

c)

c. Epigeal

d)

d. Hypergeal

76.

Which of the following are atropic or hypoplastic symptom of plant diseases?

I. Dwarfing

II. Etiolation

III. Chlorosis

a)

a. I and II

b)

b. I, II and III

c)

c. I and III

d)

d. II and III

77.

Trees are made up of numerous types of cells and all living cells are made up of:

a)

a. Cell wall, nucleus and cytoplasm

b)

b. Nucleus and cell wall only

c)

c. Cytoplasm and nucleus only

d)

d. Cell wall ony

78.

What refers to the pruning of seedling roots in the nursery bed to limit the growth of long, unbranched main roots?

a)

a. Salvaging

b)

b. Root pruning

c)

c. Undercutting

d)

d. Roguing

79.

Which part of an insect has those pairs of legs and usually with two pairs of wings?

a)

a. Abdomen

b)

b. Thorax

c)

c. Body

d)

d. Head

80.

A plant that grows vegetatively the first year, produce flower and seeds during its second year, and then dies:

a)

a. Biennial

b)

c. Evergreen

c)

c. Shrub

d)

d. Annual

81.

The process involving the releases of energy locked up in the carbohydrate molecule and other organic substances is know as:

a)

a. Guttation

b)

b. Respiration

c)

c. Double fertilization

d)

d. CO2 assimilation

82.

Aphids belong to order ___ while subterranean termites belong to order ____

a)

a. odonata-Isoptera

b)

b. Homoptera- Ortoptera

c)

c. Homoptera- Isoptera

d)

d. Isoptera-Dermaptera

83.

Which of the following are needed by the seeds to grow?

I. Proper temperature

II. Moisture

III. Oxygen

a)

a. II and III

b)

b. I, II and III

c)

c. I and II

d)

d. I and III

84.

Plants are made up of tissues and cells.

_____ cells support growing regions while

_____ cells support non-growing regions

a)

a. Parenchyma-sclerenchyma

b)

b. Collenchyma-sclerenchyma

c)

c. sclerenchyma- collenchyma

d)

d. Parenchyma- collenchyma

85.

When soil particles aggregate, they form clumps of soil that are called ____

a)

a. Peds

b)

b. Soil horizon

c)

c. Organic matter

d)

d. Parent material

86.

Plant dissipate part of the energy they absorb through transpiration and convection. Generally, one half of the energy plants absorbed is dissipated through transpiration.

a)

a. All statements are false

b)

b. The first statement is true, the second is false

c)

c. The first statement is false, the second is true

d)

d. All the statements are true

87.

The type of branching exhibited by Corypha elata:

a)

a. Continuous

b)

b. Orthotropic

c)

c. Plagiotropic

d)

d. Rhythmic

88.

Proclamation No. 1037 dated July 1, 1997 declared Chocolate Hill as a ____

a)

a. National Park

b)

b. Natural Park

c)

c. Protected landscape

d)

d. Natural Monument

89.

The exploration, extraction and screening of biological diversity and indigenous knowledge for commercial, genetic and biochemical purposes is known as___

a)

a. Biopiracy

b)

b. Bio- prospecting

c)

c. Biodiversity conservation

d)

d. genetic access

90.

The exploration, extraction and screening of biological diversity and indigenous knowledge for commercial, genetic and biochemical purposes is known as____

a)

a. Biopiracy

b)

b. Bio-prospecting

c)

c. Biodiversity conservation

d)

d. Genetic access

91.

These are the wildlife that enter in the Philippines on a seasonal basis normally from August to February:

a)

a. Resident

b)

b. Migrant

c)

c. Exotic

d)

d. Introduced

92.

Which is NOT a characteristic of water?

a)

a. From 4 deg C to 0 deg C, water becomes lighter and floats to the surface before freezing.

b)

b. The warmer the water, the more the amount of oxygen that can remain dissolved

c)

c. Water gets heavier as it cool until its maximal density is reached

d)

d. Water can absorbed large amount of heat

93.

What are characteristic of eluvial soils?

I. Accumate at the bottom of the slopes

II. Tend to be comparatively coarse

III. Well can absorb amount of heat

a)

a. I and III

b)

b. II and III

c)

c. I, II and III

d)

d. I and II

94.

Its fruit is like a head composing of tiny capsules,

a)

a. Kaatoan bangkal

b)

b. Yemane

c)

c. Mahogany

d)

d. Molave

95.

After seeds have matured, they g through a state of reduced activity called____, when they do not sprout.

a)

a. Dormancy

b)

b. Germination

c)

c. Hibernation

d)

d. Adsorption

96.

Which of the following is an in-situ conservation program?

a)

a. National Integrated protected Area Project

b)

b. Manila Seedling Bank

c)

c. Center for Philippines

d)

d. Makiling Botanical Garden

97.

The mangrove forest produces organic matter as high as 15 tons/ha/year under favorable conditions. Half of these falls as leaves and dead wood to be decomposed by fungi and bacteria. The chemical compounds and detritus products of this decomposition provide nutrients for the plants and animals within the mangrove forest and also in associated rivers and in shore waters. What is this process?

a)

a. Krebs cycle

b)

b. Water cycle

c)

c. Food chain

d)

d. Carbon cycle

98.

Aquatic plants if abounding in optimum numbers in lakes and rivers contribute to the richness of floral diversity in agroecosystem. What can they do?

I. Act a biofilters of pollution

II. Contribute to carbon sequestration

III. Give scenic beauty

a)

a. I and II

b)

b. I, II and III

c)

c. I and III

d)

d. II and III

99.

Most likely, dominant species found in beach forest are:

a)

benguet and mindoro pine

b)

bakawan and kalumpong

c)

agoho and talisi

d)

lycopodium and styphyle

100.

A leafy roof formed by tail trees.

a)

Canopy

b)

Nest

c)

Thatch

d)

Windbreaker