Free Printable 2Forest Ecosystem

1.

1. What factors influence the causative agent to be non-infectious?

I. Inadequate mineral nutrients

II. Unsuitable soil

III. Weather condition

a)

I andII

b)

I and III

c)

I, II and III

d)

II and III

2.

1. If the young of the cockroach is a nymph, what is the young of the butterfly?

a)

grub

b)

nymph

c)

caterpillar

d)

pupa

3.

These are the common insect pest of Albizia falcataria for the larvae are gregarious feeders which can totally consume the leaves after the first or second molt

I. Eurema blanda

II. Eurema hecabe

III. Eurema senensis

a)

I and II

b)

II and III

c)

I and III

d)

i, II and III

4.

Which refers to Raptors or Bird of Prey?

I. They regulate the population of wild rodents, snakes and other small animals

II. Pithecophaga jefferyi is a raptor

III.They have a massive arched beak

a)

I and II

b)

I and III

c)

I, II and III

d)

II and III

5.

Which of the following are true for mangium (Acacia mangium)?

I. Flowers develop into green pods which turn blackish brown when mature

II.Leaves are crowded at the end of the twigs

III. When mature, pods turn into irregularly spiraled cluster

a)

I and III

b)

I and II

c)

II and III

d)

I, II and III

6.

Mitosis is a part of the cell cycle which produces two genetically ____ nuclei.

a)

Different

b)

Equal

c)

Similar

d)

Identical

7.

In mangroves, there are many detritus consuming animals. Which is not a detritus-consuming animal?

a)

Crustacean

b)

Fungi

c)

Nematode

d)

mollusk

8.

1. Which of the following factors determine the depth where sufficient moisture is available all year round?

I. Water holding capacity of the soil

II. Soil cover

III. Exposure

a)

I and II

b)

I and III

c)

II and III

d)

I, II and III

9.

Which of the following characterize FUNGI?

I. Do not contain chlorophyll

II. Live as parasites

III. Make their own food

a)

I and II

b)

I, II and III

c)

I and III

d)

II and III

10.

Which species has a CAPSULE fruit?

a)

Cotton (Gossypium sp.)

b)

Eucalyptus deglupta

c)

Mahogany (Swietenia sp.)

d)

All of these

e)

none of these

11.

A study that deals with forest community include soil, water, and its climate is:

a)

Forest Ecosystem

b)

Dendrology

c)

Pathology

d)

Forest soil

12.

It is a basic functional unit where the biophysical and socio-cultural factors interact for the maintenance of life.

a)

Habitat

b)

Biotic system

c)

Abiotic system

d)

Ecosystem

13.

A program aimed to improve forest stand through phenotypic selection in the establishment of forest plantation.

a)

Tree Improvement

b)

Bole form formation

c)

Stand Structure

d)

Plantation Establishment

14.

The formation of species during geographical isolation is called:

a)

Allopatric speciation

b)

Genetic drift

c)

Sympatric speciation

d)

Plant Establishment

15.

A leaf tissue composed of loosely packed, irregular parenchymatous cells containing chloroplasts.

a)

Style

b)

Sporangium

c)

Sporocyte

d)

Spongy mesophyll

16.

A type of fruit formed from separate ovaries of a single flowers is known as:

a)

Accessory fruit

b)

Multiple fruit

c)

Aggregate fruit

d)

Simple fruit

17.

The upper or dorsal part of Chelonia mydas is called:

a)

Epidermis

b)

Carapace

c)

Exoskeleton

d)

Chitin

18.

Termites belongs to order:

a)

Blattodea

b)

Hymenoptera

c)

Lepidoptera

d)

Isoptera

19.

A fertilizer treatment of 90 – 50 – 30 means that 90kg of what fertilizer elements is needed for a hectare?

a)

PO₅

b)

Potassium

c)

Nitrogen

d)

Phosphorus

20.

An area controlled by a particular and limited conjunction of climate, edaphic and biotic factors is called:

a)

Niche

b)

Environment

c)

Habitat

d)

Territory

21.

An example of lime element.

a)

N

b)

K

c)

Ca

d)

All of the above

22.

The forewings of beetle are called:

a)

Tegmon

b)

Elytra

c)

Ptrygote

d)

halteres

23.

The Philippine softest wood.

a)

Polyscias nodosa

b)

Pisonia umbellifera

c)

Paraserianthes falcataria

d)

Endospermum peltatum

24.

Walking sticks and leaf insects belong to the order of:

a)

Odonata

b)

Phasmatodea

c)

Hymenoptera

d)

Isoptera

e)

Coleoptera

25.

An organism that synthesizes organic compounds from inorganic substances through photosynthesis or chemosynthesis.

a)

Consumer

b)

Producer

c)

Decomposer

d)

Predator

26.

The main agent of soil erosion.

a)

Siltation

b)

Sedimentation

c)

Surface run off

d)

Stream flow

27.

An organism that transmits a pathogenic organism form from one host to another.

a)

Vector

b)

carrier

c)

virus

d)

pathogen

28.

Erect or twinning terrestrial fern family that develop from erect horizontal rootstock.

a)

Parkiacea

b)

Pteridaceae

c)

Schizaeaceae

d)

Lycopodiaceae

29.

The edible fern

a)

Colocasia esculentum

b)

Diplazium esculentum

c)

Nephrolepis biserrata

d)

Drynaria quercifolia

30.

Which phylum of fungi is not included?

a)

Phycomycetes

b)

Ascomycetes

c)

Basidiomycetes

d)

Cyanophycetes

31.

It refers to ascending series of level with one above includes of all above.

a)

Hierarchy

b)

Unit

c)

Rank

d)

category

32.

It will represent the categories of higher magnitude.

a)

Division

b)

Kingdom

c)

Order

d)

Classes

33.

Categories that possess a degree of phylogenetic unity, which is determinable by greater assurance that of the higher taxa.

a)

Kingdom

b)

Division

c)

Order

d)

Classes

34.

Center of Plant Diversity in Mindanao,except:

a)

Mt. Apo

b)

Mt. Kitanglad

c)

Agusan Marsh

d)

Mt. Halcon

35.

1. Plants that shed-off their leaves

a)

annual

b)

deciduous

c)

perennial

d)

molting

36.

An inflorescence flowers that most commonly found as unit in grasses and sedges.

a)

Head

b)

Catkin

c)

Spadix

d)

Spikelet

37.

It refers to solution treatment by dipping for at least 5 minutes.

a)

Pressing

b)

Drying

c)

Poisoning

d)

Mounting

38.

It is a series of steps which occurs when the pathogen is in vital association with the living tissue of the host.

a)

Saprogenesis

b)

Pathogenesis

c)

Necrosis

d)

Hyperplasia

39.

It is a part of a pathogen which initiates disease formation.

a)

Inoculum

b)

Roots

c)

Isolate

d)

Symptoms

40.

It is a transfer of inoculums from the source to the infection court.

a)

Incubation

b)

Infection

c)

Inoculation

d)

Association

41.

the ability of the pathogen to cause disease

a)

Virulence

b)

Infection

c)

Avirulence

d)

immune

42.

Common disease of Narra (Pterocarpus indicus)

a)

canker

b)

needle blight

c)

gall

d)

Leaf spot

43.

Common disease of Pine tree (Pinus kesiya)

a)

Leaf spot

b)

Canker

c)

Canker

d)

Needle blight

44.

Undecomposed organic material such as leaves, twigs, and other debris;

a)

Humus

b)

Organic matter

c)

Litter

d)

Subsoil

45.

Refers to the temporary end product of decomposition.

a)

Mull

b)

Humus

c)

Forest Litter

d)

Organic matter

46.

Refers to the shape of grain of soil

a)

Structure

b)

Texture

c)

Soil porosity

d)

Soil bulk density

47.

A kind of soil developed from materials deposited by water.

a)

Colloidal soil

b)

Clay soil

c)

Zonal soil

d)

Alluvial soil

48.

This is a flat area with high elevation.

a)

Valley

b)

Ridge

c)

gully

d)

Plateau

49.

The size of grain of soil is related to as:

a)

texture

b)

Structure

c)

Bulk density

d)

pH

50.

The soil that is moved by gravity is called:

a)

colluvial

b)

Moraine

c)

Loess

d)

Alluvial soil

51.

Erosion by water that produces very small and numerous channels is called:

a)

Rill erosion

b)

Gully erosion

c)

Sheet erosion

d)

Avalanche

52.

The oozing out of water droplets from the uninjured surface of a plant leaf.

a)

Hydrodrops

b)

Respiration

c)

Guttation

d)

Transpiration

2Forest Ecosystem

Total questions: 52

Worksheet time: 26mins

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