Tesuturi vegetale Flashcards

1
Q

2 categorii principale de tesuturi vegetale:

A

Testuri embrionare (meristeme) si Tesuturi definitive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Cum sunt testurile embrionare (meristeme)

A

tesuturi nediferentiate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Tesuturile embrionare (meristeme) pot fi:

A

primare si secundare

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Tesuturile embrionare (meristeme) primare sunt:

A

apicale si intercalare

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Unde se afla tesuturile apicale?

A

in varfurile de crestere ale plantelor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Unde se afla tesuturile primare intercalare?

A

la tulpinile de graminee, intre noduri

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Exemple de graminee:

A

orez, grau, porumb

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Rolul tesuturilor secundare:

A

Determina cresterea in grosime

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Enumerati tipurile de tesuturi definitive:

A
  1. tesutul de aparare
  2. tesutul fundamental
  3. tesutul conducator
  4. tesutul mecanic
  5. tesutul secretor
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Din ce este format tesutul de aparare?

A

epiterma + formatiuni

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Ce contine epiterma si formatiunile?

A

peri si stomate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Rolul perilor:

A

rol protector si absorbant

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Rolul stomatelor:

A

rol in circulatia O2, CO2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Tesutul fundamental poate fi:

A

asimilator sau de depozitare

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Daca tesutul fundamental este asimilator ce rol are? in…

A

fotosinteza

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Daca tesutul fundamental este de depozitare, ce poate depozita?

A

substante organice (amidonul in cartof)
aer in plante acvatice
apa in cactusi

17
Q

Din ce este format tesutul mecanic?

A

din celule cu pereti ingrosati in molt

18
Q

Egal

A

SCLERENCHIM , celule moarte

19
Q

Inegal

A

COLENCHIM, confera sustinere si rezistenta

20
Q

Cand planta ia apa din sol, prin ce ia si cum se numeste seva.

A

ia prin vase lemnoase, seva bruta- apa si saruri minerale

21
Q

Dupa fotosinteza

A

vase liberiene => seva elaborata => substante organice

22
Q

Din ce este format tesutul secretor?

A

Din celule care produc anumite secretii precum uleiuri, rasini, latex.

23
Q

Radacina

A

peri absorbanti -> epiderma -> scoarta= t. fundamental -> leber, fascicule conducatoare, lemn

24
Q

Tulpina

A

cuticula -> epiderma -> t, fundamental -> fascicule libero-lemnoase

25
Q

Frunza

A

epiderma, t. asimilator, colenchim superior, sclerenchim, stomate, fascicul libero-lemnos, epiderma inferioara