Plant Biology mississippi state university exam 1

In the cell cycle, the S is responsible for chromosome duplication

A. true

B. false

A. true

Bulliform cells help monocot leaves fold/curl when environmental conditions warrant

A. True

B. false

A. true

A primary function of the root cap is water absorption/ uptake

A. true

B. false

B. false

Plants existed on Earth before Humans arose

A. true

B. false

A. true

Vascular bundles in stems that can undergo secondary growth are classified as open collateral

A. true

B. false

A. true

sessile leaves have elongated petioles

A. true

B. false

B. false

At room temperature, saturated fats are liquid and unsaturated fats are more solid.

A. true

B. false

B. false

pneumatophores, like swamp cypress knees, are adventitious roots

A. true

B. false

B. false

the cytoplasm in cells are connected via plasmodesmata

A. true

B. false

B. false

vascular tissues in leaves are directly connected with the vascular tissues in stems

A. true

B. false

A. true

sclerenchyma fibers produced in monocots are generally softer than those produced in eudicots

A. true

B. false

the epidermis covers all parts of the primary plant body

A. true

B. false

A. true

phospholipids contain the following property/ properties in relation to water

Phosphoipids:

A. are hydrophilic only

B. are hydrophobic only

C. contain separate hydrophilic and hydrophobic parts

C. contain separate hydrophilic and hydrophobic parts of the

plant classified as angiosperms include all of the following types of plants except

A. conifer plants

B. herbaceous eudicot plants

C. monocot plants

D. woody eudicot plants

A. conifer plants

mark the correct response in regard to leaf venation in eudicot and monocot leaves

A. both eudicots and monocots have parallel venation.

B. both eudicots and monocots have reticulate/ netted venation

C. eudicots have parallel venation, monocots have reticulate/ netted venation

D. eudicots have reticulate/ netted venation, monocots have parallel venation

D. eudicots have reticulate/ netted venation, monocots have parallel venation

Alkaloids, a class of secondary metabolites, contains chemicals such as

A. Anthocyanins (water- soluble pigments), lignins, tannins

B. caffeine, cocaine, morphine, nicotine

C. Essential oils like mint, also latex, rubber, taxol

D. kittens, gerbils, ponies, puppies

A. anthocyanins (water - soluble pigments) lignins, tannins

The spines that are present on cacti are actually modified:

A. epidermal cells

B. leaves

C. roots

D. trichomes

B. leaves

In mitosis, which of the following is part of the spindle apparatus that connects to the chromosomes centromeres?

A. actin microfilaments

B. Microtubules

C. peroxisomes

D. spaghetti

E. Twizzlers

B. microtubules

Among the cell type listed below, which one is dead at maturity?

A. Albuminous

B. epidermal

C. parenchyma

D. sieve-tube element

E. vessel element

E. vessel element

What substance listed below cannot be broken down into other substances by ordinary means?

A. cement

B. compound

C. element

D. hershey’s kiss

E. molecule

C. element

if a secondary cell wall is deposited, where is it located in reference to the primary cell wall? secondary cell walls are:

A. inside primary cell wall (closer to plasma membrane)

B. outside primary cell wall (further away from plasma membrane)

C. Physically embedded within primary cell wall

A. inside primary cell wall (closer to plasma membrane)

The Golgi apparatus is primarily associated with:

A. cellulose deposition

B. Endocytosis

C. Exocytosis

D. organelle movement

Exocytosis

What Shape/ type of guard cell can be found on leaves of many/ most eudicot plants?

A. Dumbbell

B. Exercise Bike

C. kidney Bean

D .sweet pea

E. water balloon

C. kidney bean

In addition to the speacialized type of endoplasmic reticulum (ER) associated with plasmodesmata, the other two types of ER (rough and smooth ) are also specialized. Identify each type’s function

A. rough modifies/ transports proteins, smooth synthesizes/ secretes lipids

B. rough synthesizes / secretes lipids. smooth modifies/ transports proteins,

C. rough synthesizes chocolate candy, smooth transports flowers

D. rough transports flowers, smooth synthesizes chocolate candy

A. rough modifies/ transports proteins, smooth synthesizes/ secretes lipids

In regard to biomes, identify the incorrect statement

A. A biome is primarily determined by latitude, precipitation and temperature

B. A biome can be made up of different ecosystems

C. each continent has its own specific biome

B. A biome can be made up of different ecosystems

in the root, what tissue is responsible for initiating lateral root development

A. enododermis

B. Epidermis

C. Pericycle

D. Xylem

C. pericycle

the inheritance of mitochondria and plastids in plants is generally

A. Biparental inheritance

B. uniparental, maternal inheritance

C. Uniparental, parternal inheritance

from the list below , identify the plant that does not contain a modified stem

A. onion

B. potato

C. sweetpotato

C. sweet potato

which organelle’s membrane is called tonoplast?

A. plasma membrane

B. plastid membrane

C. peroxisome membrane

D. vaculoe membrane

D. vaculoe membrane

Guard cells are involved in regulation:

A. formation of bulliform cells

B. formation of stomata

C. leaf movement

D. root movement

Identify the polysaccharide that is not solely composed of glucose units

A. amylose

B. callose

C. cellulose

D. hemicellulose

A. amylose

A. lignin

B. middle lamella

C. primary cell wall

D. secondary cell wall

In the fall, woody eudicots form an abscission zone near the petiole/stem junction. This is part of, and response to

A. answering questions on this exam

B. hypersensitive reaction

C. Programmed cell/ appendage death

D. Valentine’s day

identify the correct root classifications for buttress roots and tuberous roots in regard to their point of origin

A. Buttress roots are adventitious , tuberous roots are not adventitious

B. buttress roots re not adventitious, tuberous roots are adventitious

C. both buttress roots and tuberous roots are adventitious

D. both buttress roots and tuberous roots are not adventitious

in the root, what tissue is responsible for initiating root hairs ?

A. Endodermis

B. Epidermis

C. pericycle

D. xylem

B. Epidermis

Identify the type of cell that transfers/moves water and minerals through boredered pits only?

A. cheerios

B. companion

C. tracheid’s

D. vessel elements

based on the number of phospholipid bilayers it contains, the nuclear membrane/ envelope is more similar to which of the following organelles

A. mitochondria

B. Peroxisomes

C. Plastids

D. Vaculoes

Mark all correct statements regarding Casparian Strips in endodermal cells

A. allows apoplastic transport

B. allows symplastic transport

C. Hydrophilic

D. Hydrophobic

Plant Cells Contain additional components compared to animal cells, Identify them

A. cell membrane

B. cell wall

C. mitochondria

D. Plastids

What apical meristem is called sub-terminal, RAM OR SAM?

Pholem transports carbohydrates or water in the acropetal o basipetal direction.

name a primary meristems