Aineringed ökosüsteemis

Quiz
•
Biology
•
9th - 12th Grade
•
Medium
Merle Pähn
Used 10+ times
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
See element moodustab enamuse elusolendite biomassist
süsinik (C)
lämmastk (N)
fosfor (P)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Selle elemendi molekulaarne vorm moodustab 78% õhust
süsinik (C)
lämmastk (N)
fosfor (P)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Seda elementi ei leidu gaasilises vormis, seega ei kuulu ta atmosfääri koostisse
süsinik (C)
lämmastk (N)
fosfor (P)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Seda elementi sisaldavad ühendid lagundatakse organismis energia saamiseks rakuhingamise käigus
süsinik (C)
lämmastk (N)
fosfor (P)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Selle elemendi ülemäärane hulk veekogudes põhjustab seal taimede ja vetikate liigset vohamist
süsinik (C)
lämmastk (N)
fosfor (P)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Selle elemendi oksiid satub atmosfääri hingamise või põlemise käigus
süsinik (C)
lämmastk (N)
fosfor (P)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Seda elementi leidub kõige rohkem kivimites, mis ongi selle elemendi peamiseks allikaks
süsinik (C)
lämmastk (N)
fosfor (P)
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