Prelim Reviewer Flashcards
2 main parts of a plant
Shoot system and Root system
Vegetative organs of a plant
Sepals and petals
Reproductive organs of a plant
Stamens and carpels
The shoot is composed of an axis called ________ and lateral appendages called _______
Stem, leaves
Are specialized for light interception and photosynthesis
Leaves
Examples of a flowering mangrove
Rhizophora sp., Avicennia sp.
(Don’t judge me eto lng yung mga alam ko)
Male reproductive organs of a plant
Stamens
Female reproductive organs of a plant
Carpels
Which reproductive organ produce pollen
Stamens
True or False
Enhalus has petioles but does not have sheaths
False —> they do not have petioles but instead they have sheaths
(Sumbong kita kay maam pabs pag true sagot mo)
What roots does Rhizophora and Pandanus have?
Adventitious roots
True or False
Are the roots of Avicennia negatively gravitropic?
True
Green alga
Caulerpa
Brown alga
Sargassum
Red alga
Portiera
Large plant-like macroalgae are usually called
Seaweeds
The macroalgal body is called
Thallus
Caulerpa is one single cell. It is called a _________, one cell with many nuclei
Coenocyte
Grapelike branches of Caulerpa
Ramuli
What is the function of the vesicles of Sargassum that are filled with gas?
They add buoyancy to the plant structure and allows it to float on the surface.
Green circular bodies
Chloroplasts
The movement of chloroplasts
Cyclosis or cytoplasmic streaming
Cell walls of plants are mostly made up of
Cellulose
True or False
Is cuticle absent in seagrasses?
True
Bean-shaped guard cells
Stomata or stomatal apparatus
Two layers of cells in the mesophyll
Pillar-like cells is the palisade layer
Irregularly shaped cells is the spongy layer
Can you find stomata in Halophila?
No
(I think hehe correct me if I’m wrong)
Scientific name of onion
Allium cepa
Needle-like crystals
Raphides
Breathing apparatus of stems
Lenticels
Purple pigment found in Zebrina
Anthocyanin
Colored bodies found in tomato
Chromoplasts
Four basic types of tissue in plants
Meristematic, dermal, vascular, and ground
Four tissues found in macroalgae
Epidermal, cortex, medulla, and reproductive tissues
Provides the alga with bulk and support
Medulla
The photosynthetic layer ofa macroalgae
Cortex
Scientific name of corn
Zea mays
The outermost layer of the onion root tip that gives rise to the epidermis
Protoderm
Cork tissue is also called
Phellem
Forms continuous tissues in the stems, roots and leaves
Parenchyma
Stems that usually consists of a ring of vascular bundles.
How about the randomly distributed vascular bundles?
Dicot
Monocot
True or False
Is collenchyma specialized for support?
True
_____________ cells at maturity are dead with thickened lignified walls lacking protoplasts.
Sclerenchyma cells
Two types of sclerenchyma cells
Sclereids and fibers
Are long, slender cells
Fibers
Green pigment
Chlorophyll
Blue-green pigment
Phycocyanin
Red pigment
Phycoerythrin
Innermost layer of colorless cells
Medullary layer
Two kinds of vascular tissues
Xylem and phloem
Big red holes and it conducts water and mineral salts, and gives strength to the stem
Xylem
Small blue holes that conducts food or photosynthates
Phloem
Large brown algae that grows to 50m or more
Macrocystis
