
nitrogenkretsløpet

Quiz
•
Biology
•
10th Grade
•
Hard
Bie Ordinary
Used 3+ times
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Omdannesle av nitrogen i luft til forbindelser som produsentene kan ta opp.
Nitrogenfiksering
Symbiose
belgvekster
tre
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Omdanner NO3- tilbake til N2-gass og O2-gass for å skaffe oksygen til celleånding.
Symbiose
Regn
Denitrifiserende bakterier
fikserende bakterier
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mengda N2 (nitrogengass) i atmosfæren
2%
78%
56%
97%
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
samliv mellom to arter som gjensidig har nytte av hverandre.
Symbiose
Bakterier
Kloroplast
fotosyntese
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
vekstskifte der det varierer hvilke arter som dyrkes
knaller
nitrogen
symbiose
vekseldyrking
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
luftlaget som omgir jorda
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Dyr får nitrogen frå planter i form av:
nitrogenhaldige næringsstoff
vann
vitamin
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