BIOL 1411 :Plant Tissues

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The two types of xylem cells are the _____and the ____

Vessel Elements; Tracheids

The type of vascular tissue that conducts water and dissolved minerals from the roots to the leaves is the__

Xylem

The two types of vascular tissue are the ___ and the ___

Xylem; phloem

Collenchyma cells are____ at functional maturity.

alive

Parenchyma cells are___ at fuctional maturity

alive

The two types of phloem cells are_____at fuctional maturity.

alive

Leaf dermal tissue secretes a waxy substance called_____that forms the leaf_______that helps reduce moisture loss.

cutin; cuticle

Schlerenchyma cells are often __ at functional maturity

dead

Xylem cells are ______at functional maturity

dead

Cork cells are_____ at functional maturity and become filled with the waxy substance ____which makes them water-proof and helps protect the plant from water loss

dead;suberin

Dermal tissue is usually a single layer in ____plants and multiple layers in ___plants

herbaceous; woody

Some leaf epidermal cells form small hypodermic needles called______which protect the plant from herbivores

nettles

Dermal tissue is typically_______

nonphotosynthetic

In woody plants, the epidermis is replaced by the ______

periderm

Dermal tissue at the tips of roots form elongations called_____ that increases the absorptive surface area of the root.

root hairs

The two types of Sclerenchyma cells are ___and ______.

sclerids; fibers

The___ system is the aerial portions of the plant body and the ___ system is the subterranean portion

shoot system; root system

The primary function of Collenchyma is

support for younger plants parts

Sclerenchyma cells have_____secondary cell walls reinforced with ____

thick;lignin

Parenchyma cells have ____primary cell walls and ____ secondary cell walls.

thin;no

Which of the following is NOT a function of Parenchyma?

transport of carbohydrates

The dermal tissue of some leaves form tiny hairs called_____that help prevent water loss.

trichomes

Collenchyma cells have ____primary cell walls and ____secondary cell walls.

unevenly thickened; no

The tissue that makes up "celery strings" is

Collenchyma

The only one of the two types of phloem cells to have a nucleus is the ___

Companion cell

The type of phloem cell that functions to load and unload material into and out of the sieve tube cells is the ____

Companion cell

The type of tissue that covers the surface of a plant is the ____tissue

Dermal

The most abundant and least differentiated tissue system of a plant is the ___tissue system

Ground

Which of the following is NOT one of the three tissues systems of a plant?

Leaf

The most abundant type of ground tissue is

Parenchyma

The type of vascular tissue that conducts the organic products of photosynthesis throughout the plant body is the _____

Phloem

Which of the following is NOT one of the three types of ground tissue?

Scarenchyma

The tissue that make up seed coats, nut shells, peach pits and pear grit is

Sclerenchyma

The main conductive phloem cell type is the ___

Sieve-tube Cell

The two types of phloem cells are the __and the ___

Sieve-tube Cells; Companion Cells


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