Hranire la plante Flashcards

1
Q

Celule modificate se numesc

A

Stomate si permit trecerea O2, CO2 si apa sub forma de vapori

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

Fotosinteza are 2 faze

A

Faza de lumina: CO2 trece prin stomate si apoi spre tesutul asimilator. Acolo se descompune apa si se produce oxigenul.

Faza de intuneric: CO2 si sarurile minerale sunt transformate in substante organice(hrana)

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

Factorii care influenteaza fotosinteza:

A

Externi: lumina, concentratia de CO2, temperatura
Interni: cantitatea de apa, varsta plantei, cantitatea de clorofila, pozitia si orientarea frunzelor

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

Formula

A

H2O + CO2 + saruri minerale

lumina
====== O2 + subst organice
clorofila

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