Bioelementos 10
Quiz
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Easy
Wilmary Escalona Villegas
Used 1+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál de los siguientes grupos de bioelementos son los más abundantes en la biomasa de los seres vivos?
Oligoelementos
Bioelementos secundarios
Bioelementos primarios
Bioelementos variables
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué porcentaje aproximado de la masa de un ser vivo corresponde a los bioelementos primarios?
50-60%
70-80%
95-96%
2-4%
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál de los siguientes NO es un bioelemento primario?
Carbono
Hidrógeno
Calcio
Nitrógeno
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué bioelemento es un componente esencial de la clorofila en las plantas?
Calcio
Magnesio
Sodio
Potasio
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la función principal del hierro en los seres vivos?
Formar parte de los huesos
Transportar oxígeno en la sangre
Activar enzimas
Regular el equilibrio de agua
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué bioelemento es un componente importante de la vitamina B12?
Hierro
Zinc
Cobalto
Manganeso
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál de los siguientes bioelementos secundarios es esencial para la contracción muscular y la formación del tubo polínico en las plantas?
Sodio
Potasio
Calcio
Cloro
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