forestry ecosystem

Forest Ecosystem

natural woodland unit consisting of all plants, animals and micro-organisms (Biotic components) in that area functioning together with all of the non-living physical (abiotic) factors of the environment.

Ecosystem

is a functional in which living organisms interact among themselves as well as with the surrounding physical environment.

fungus

The seeds of waling-waling (Euanthessanderiana) can only germinate with the presence of a certain______

reproduction

. After pollination occurs, the growth of pollen tube follows leading to what is termed as:

I and II

Why is irganic matter an important ingredient of the soil?

I. Supplies some of the nutrients for the crop.

II. Promotes easy root Penetration.

III. No need to water daily.

roots, stems and leaves

The vegetative parts of plant consists of____.

I and II

Which statements refer to ex-situ management of planted stands?

I. It is a management outside the natural habitat of the species.

II. One example is tissue culture

III. It promotes interbreeding

All statements are true

Contamination in tissue culture may come from glasswares, culture media and tools used in the laboratory room. The real problem of contamination lies in the plant tissues or plant part

moraceae

Which does NOT produce resinous exudates?

high percentage of endemic species

The Philippine species inventory included above 13,000 species which is about 10% of the world total 556 birds (6% of the world total) and 210 mammals (4% of the world total). These data show the country's______.

niche

The home of an organisms in all its dimensions or have it fits into and makes a living in its natural ecosystem is referred to as______.

naked bud

A bud without bud scale

fertile-sterile

If the plants reproductive organs are in the same flower, the flower is______; if the flower has only stamen or only pistil, it is __________.

pneumatophores-endosperm

________ are the breathing organs of mangroves while________ is the storage tissue for monocot seeds.

calcium

Which of the following nutrients promotes respiration and formation of the chlorophyll?

dicot

A flowering plant characterized by two seed leaves in the embryo.

man

It is the most important determinant of forest ecosystem structure and dynamics:

"Pagkakaisa"

The first Philippine eagle to be bred and hatched in captivity on January 15, 1992 was named "Pag-asa". The second was born on October 25, 1992 and was named

pest

An insect that bothers the growth and development of plants:

carapace

The upper or dorsal part of Chelonia mydas is called:

Lepidoptera

The Order of butterflies and moths is:

Forest Influences

The effects of forest on the different components of the environment are referred to as:

250,000 seedlings

The area of an Pterocarpus indicus plantation is 100 hectares. If the planting distance to be used is 2m x 2m, how many seedlings could be planted?

Aeloian soi

Soil deposited by wind like sand dunes:

Hemimetabolous

An insect which undergoes complete metamorphosis:

direct seeding

It is a system of plantation establishment where seeds instead of seedlings are used as planting materials:

grafting

The union of cambium layers of two woody stems, one of the stock and the other of the scion is called:

Pinus kesiya

Tree species affected by needle blight:

Pteridophytes

It refers to ferns and club mosses:

Rhytidome

The technical term for the outerbark is:

tropical rainforest

Which among the following forest types is the most highly stratified and has the greatest diversity of

ecological niches?

A. coniferous forest C. tropical rainforest

B. deciduous forest D. mangrove forest

Alluvial soil

Soils deposited by water:

layering

A method of vegetative propagation where the stems are placed on top of the ground and covered with

soil until roots are produced at the nodes

hybridization

A change in the genetic material that results from an error in replication of DNA is termed as

anemochores

These are plants having propagules that can be dispersed by wind

Rafflesia manillana

It is an endangered flowering plant:

A. Desmodium umbellatum C. Rafflesia manillana

B. Pomelia pesicarpio D. Hisbiscus rosa sinensis

stomata

These are microscopic openings in the pathogenic organism from one host to another:

vector

An organism that transmits a pathogenic organism from one host to another is referred to as:

Basidiomycetes

Group of fungi directly involved in the decay of wood