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Organismide keemiline koostis_I

Authored by Merle Pähn

Biology

10th - 12th Grade

Used 53+ times

Organismide keemiline koostis_I
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32 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tähtsaim keemiline element eluslooduses on

H
C
O
N

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Elusorganismides sisalduvaid süsinikuühendeid nimetatakse

keemilisteks elementideks
orgaanilisteks ühenditeks
anorgaanilisteks ühenditeks
anorgaanilisteks aineteks

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Biomolekule sünteesitakse üksnes

elusorganismides
väliskeskkonnas
vees
mullas

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Eluta looduse objektid koosnevad peamiselt

orgaanilistest ühenditest
anorgaanilistest ühenditest
H- st ja O- st
H- st ja N- st

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Makroelemendid on elemendid, mida organism vajab väga väikestes kogustes.

jah
ei

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Rauaioonide vähesuse korral kujuneb välja kehvveresus

jah
ei

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Vananedes organismi veesisaldus langeb

jah
ei

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