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9th - 12th Grade

13 Qs

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Aineringed ökosüsteemis

Aineringed ökosüsteemis

Assessment

Quiz

Biology

9th - 12th Grade

Practice Problem

Medium

Created by

Merle Pähn

Used 10+ times

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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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