
CICLO DEL NITRÓGENO
Authored by Maritzel Palma
Science
8th Grade
Used 357+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La fijación del nitrógeno (N2) de la atmósfera en el suelo se da por:
animales
plantas
bacterias
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Una vez fijado el nitrógeno en el suelo, éste pasa a:
plantas
animales
bacterias
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los animales obtienen el nitrógeno de:
bacterias
plantas
suelo
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los animales eliminan en el suelo el exceso de nitrógeno en forma de:
orina
sangre
agua
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Es el proceso de descomposición del amoniaco (NH3) en nitritos (NO2) y nitratos (NO3):
desnitrificación
nitrificación
amonificación
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Es el proceso de descomposición del nitrito (NO2) y el nitrato (NO3)en nitrógeno gaseoso (N2):
amonificación
desnitrificación
nitrificación
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Es una actividad humana que altera el ciclo del nitrógeno y aumenta los niveles de éste en la atmósfera produciendo mayor contaminación:
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