ehd123

Which of the following statements is false?

Which of the following statements is false?

Which of the following statements is false?     
A) The way in which a plant cell differentiates is determined by the cell's position in the developing plant body.
B) Arabidopsis was the first plant to have its genome sequenc

ppk   3513   1 Reply

korkoliotis

Which part of a plant absorbs most of the water and minerals taken up from the s

Which part of a plant absorbs most of the water and minerals taken up from the s

Which part of a plant absorbs most of the water and minerals taken up from the soil?
 A) taproots
B) sections of the root that have secondary xylem
C) storage roots
D) root hairs
E) the thick parts of the roots near the base

ppk   2589   1 Reply

lena213

The vascular bundle in the shape of a single central cylinder in a root is calle

The vascular bundle in the shape of a single central cylinder in a root is calle

The vascular bundle in the shape of a single central cylinder in a root is called the     
A) stele.
B) periderm.
C) pith.
D) cortex.
E) endodermis.

ppk   2945   1 Reply

lena213

Which of the following is derived from the ground tissue system?

Which of the following is derived from the ground tissue system?

Which of the following is derived from the ground tissue system?   
A) periderm      B) pith      C) phloem      D) cuticle      E) root hair

ppk   3047   1 Reply

lena213

Shoot elongation in a growing bud is due primarily to

Shoot elongation in a growing bud is due primarily to

Shoot elongation in a growing bud is due primarily to     
A) cell division localized in each internode.
B) cell elongation directly below the shoot apical meristem.
C) cell division at the shoot apical meristem.
D

ppk   3349   1 Reply

lena213

Which of the following root tissues gives rise to lateral roots?

Which of the following root tissues gives rise to lateral roots?

Which of the following root tissues gives rise to lateral roots?     
A) pericycle      B) endodermis      C) cortex      D) phloem      E) epidermis

ppk   3527   1 Reply

lena213

A leaf primordium is initiated as a small mound of tissue on the flank of a dome

A leaf primordium is initiated as a small mound of tissue on the flank of a dome

A leaf primordium is initiated as a small mound of tissue on the flank of a dome-shaped shoot apical meristem. The earliest physical evidence of the site of a newly forming leaf primordium would be     
A) preprophase bands parallel to

ppk   1486   1 Reply

lena213

Which of the following cells or tissues arise from lateral meristem activity?

Which of the following cells or tissues arise from lateral meristem activity?

Which of the following cells or tissues arise from lateral meristem activity?     
A) secondary xylem
B) cortex
C) trichomes
D) tubers
E) leaves

ppk   3543   1 Reply

lena213

Pores on the leaf surface that function in gas exchange are called

Pores on the leaf surface that function in gas exchange are called

Pores on the leaf surface that function in gas exchange are called     
A) sclereids.
B) stomata.
C) xylem cells.
D) phloem cells.
E) hairs.

ppk   7335   1 Reply

lena213

A person working with plants may reduce the inhibition of apical dominance by au

A person working with plants may reduce the inhibition of apical dominance by au

A person working with plants may reduce the inhibition of apical dominance by auxin via which of the following?     
A) pruning shoot tips
B) deep watering of the roots
C) feeding the plants nutrients
D) fertilizing

ppk   2383   1 Reply

lena213

Additional vascular tissue produced as secondary growth in a root originates fro

Additional vascular tissue produced as secondary growth in a root originates fro

Additional vascular tissue produced as secondary growth in a root originates from which cells?   
A) phloem
B) vascular cambium
C) endodermis
D) xylem
E) apical meristem

ppk   2183   1 Reply

lena213

Cells produced by lateral meristems are known as

Cells produced by lateral meristems are known as

Cells produced by lateral meristems are known as   
A) pith.
B) shoots and roots.
C) secondary tissues.
D) lateral tissues.
E) dermal and ground tissue.

ppk   4883   3 Replies

lena213

What would be a plant adaptation that increases exposure of a plant to light in

What would be a plant adaptation that increases exposure of a plant to light in

What would be a plant adaptation that increases exposure of a plant to light in a dense forest?     
A) lateral buds
B) intercalary meristems
C) apical dominance
D) absence of petioles
E) closing of the stomata

ppk   3375   1 Reply

lena213

If you were able to walk into an opening cut into the center of a large redwood

If you were able to walk into an opening cut into the center of a large redwood

If you were able to walk into an opening cut into the center of a large redwood tree, when you exit from the middle of the trunk (stem) outward, you would cross, in order,     

A) the vascular cambium, oldest xylem, and new

ppk   2851   1 Reply

lena213

What effect does "pinching back" have on a houseplant?

What effect does "pinching back" have on a houseplant?

 What effect does "pinching back" have on a houseplant?     
A) produces a plant that will grow taller
B) increases apical dominance
C) increases the flow of auxin down the shoot
D) stimulates lateral buds to g

ppk   2249   1 Reply

lena213

A plant has the following characteristics: a taproot system, several growth ring

A plant has the following characteristics: a taproot system, several growth ring

A plant has the following characteristics: a taproot system, several growth rings evident in a cross section of the stem, and a layer of bark around the outside. Which of the following best describes the plant?     

A) herb

ppk   4482   1 Reply

lena213

A mutation allows only A gene activity in a developing flower. Which flower part

A mutation allows only A gene activity in a developing flower. Which flower part

 A mutation allows only A gene activity in a developing flower. Which flower part(s) will develop in this plant?     

A) both sepals and petals
B) petals
C) carpels
D) sepals
E) stamens

ppk   1948   1 Reply

lena213

Before differentiation can begin during the processes of plant cell and tissue c

Before differentiation can begin during the processes of plant cell and tissue c

Before differentiation can begin during the processes of plant cell and tissue culture, parenchyma cells from the source tissue must 
A) enzymatically digest their primary cell walls.
B) undergo dedifferentiation.
C) establish a

ppk   1962   1 Reply

lena213

What tissue makes up most of the wood of a tree?

What tissue makes up most of the wood of a tree?

What tissue makes up most of the wood of a tree?     
A) secondary xylem
B) mesophyll cells
C) secondary phloem
D) primary xylem
E) vascular cambium

ppk   4312   1 Reply

lena213

The polarity of a plant is established when

The polarity of a plant is established when

 The polarity of a plant is established when   
A) cotyledons form at the shoot end of the embryo.
B) the shoot first breaks through the soil into the light as the seed germinates.
C) the shoot-root axis is established in the embr

ppk   2909   1 Reply

lena213

Which of the following arise, directly or indirectly, from meristematic activit

Which of the following arise, directly or indirectly, from meristematic activit

 Which of the following arise, directly or indirectly, from meristematic activity?     
A) dermal tissue
B) secondary xylem, leaves, dermal tissue, and tubers
C) tubers
D) leaves
E) secondary xylem

ppk   3706   1 Reply

lena213

Which of the following are true statements about the cells shown in the photogra

Which of the following are true statements about the cells shown in the photogra

Which of the following are true statements about the cells shown in the photograph in Figure 35.1 above?   
A) They are parenchyma cells.
B) They are photosynthetic.
C) They are parenchyma cells and photosynthetic.
D) They ar

ppk   3716   1 Reply

lena213

A plant that is at least 3 years old is represented by

A plant that is at least 3 years old is represented by

A plant that is at least 3 years old is represented by     
A) I only.
B) II only.
C) III only.
D) IV only.
E) both I and III.

ppk   2992   1 Reply

lena213

Heartwood and sapwood consist of

Heartwood and sapwood consist of

Heartwood and sapwood consist of   
A) secondary xylem.
B) bark.
C) cork.
D) periderm.
E) secondary phloem

ppk   7802   1 Reply

lena213

A woody eudicot is represented by

A woody eudicot is represented by

A woody eudicot is represented by     
A) I only.
B) II only.
C) III only.
D) IV only.
E) both I and III

ppk   2900   1 Reply

lena213

A monocot stem is represented by

A monocot stem is represented by

A monocot stem is represented by
A) I only.
B) II only.
C) III only.
D) IV only.
E) both I and III.

ppk   3050   1 Reply

lena213

As a youngster, you drive a nail in the trunk of a young tree that is 3 meters t

As a youngster, you drive a nail in the trunk of a young tree that is 3 meters t

As a youngster, you drive a nail in the trunk of a young tree that is 3 meters tall. The nail is about 1.5 meters from the ground. Fifteen years later, you return and discover that the tree has grown to a height of 30 meters. About how many meters ab

ppk   2135   1 Reply

bio_man

Suppose George Washington completely removed the bark from around the base of a

Suppose George Washington completely removed the bark from around the base of a

Suppose George Washington completely removed the bark from around the base of a cherry tree but was stopped by his father before cutting the tree down. The leaves retained their normal appearance for several weeks, but the tree eventually died. The t

ppk   2329   1 Reply

bio_man

The innermost layer of the root cortex is the

The innermost layer of the root cortex is the

The innermost layer of the root cortex is the   
A) pericycle.
B) core.
C) endodermis.
D) vascular cambium.
E) pith.

ppk   4076   1 Reply

bio_man

The phase change of an apical meristem from the juvenile to the mature vegetativ

The phase change of an apical meristem from the juvenile to the mature vegetativ

The phase change of an apical meristem from the juvenile to the mature vegetative phase is often revealed by     

A) the initiation of secondary growth.
B) the formation of lateral roots.
C) the activation of floral mer

ppk   1869   1 Reply

bio_man

Most of the growth of a plant body is the result of

Most of the growth of a plant body is the result of

Most of the growth of a plant body is the result of   
A) morphogenesis.
B) cell differentiation.
C) cell division.
D) reproduction.
E) cell elongation.

ppk   4230   1 Reply

bio_man

Plants

Plants

How do plants live on land?

TGLM   1476   3 Replies

lewis

Several Plant Questions

Several Plant Questions

 

1. Which of the following describes ethylene response mutants identified without using any hormones in the triple response mutant screen?   
a.   Hormone insensitive mutant
b.   Hormone receptor mutant
c.   Ho

Hokiepokieful   2230   2 Replies

duddy

Onion cell walls and red nuetral

Onion cell walls and red nuetral

Hi,

What feature in onion cell walls is it that makes red neutral color (stain) them? Is the staining equal; is everywhere of the cell and the vacuoles colored equally? If not, why?

Thanks.

mafhh   1627   1 Reply

bio_man

The A-, B-, and C-class gene encode proteins that function as:

The A-, B-, and C-class gene encode proteins that function as:

One last question:

The A-, B-, and C-class gene encode proteins that function as:
   a. Promoter Regions
   b. Receptors
   c. Transcription Factors
   d. Hormones

I can't for the lif

Hokiepokieful   960   1 Reply

bio_man

Plant Bio Questions - Double Check!

Plant Bio Questions - Double Check!

Sorry this is a long list!
I've answered most of them, I just want to double check!

The A-, B-, and C-class gene encode proteins that function as:
   1. Promoter Regions
   2. Receptors
   3. Transcr

Hokiepokieful   1594   2 Replies

Hokiepokiefully

The reduction of nitrates and nitrites to ammonia is considered an extension of photosynthesis...

The reduction of nitrates and nitrites to ammonia is considered an extension of photosynthesis...

Hi all!

I have a few questions that I am not sure of what the answers are!  I have tried to figure them out on my own and have answers to most if not all.  i just want to double check myself!! Please help me!!

1.) The

Hokiepokieful   1727   1 Reply

bio_man

Dicots and Monocots

Dicots and Monocots

what's the difference between these two? examples please thnks

pumpkinbread   1437   1 Reply

pumpkinbread

Grass/Weed

Grass/Weed

Hello again sirs/madams! Who can help me in showing or explaining the parts of a grass/weed?

minissa   1451   5 Replies

duddy

Plants Diversity II

Plants Diversity II

1. In lower plants, the spore is the only protective stage in the plant cycle. Why do seed plants have an advantage over spore-producing plants.

2. What are the main differences between gymnosperms and angiosperms?

3

Ashmo   3085   1 Reply

bio_man