Elus ja eluta looduse keemiline koostis
Authored by Õpetaja Mall
Biology
10th - 12th Grade
Used 7+ times
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18 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
Vananedes organismi veesisaldus langeb
jah
ei
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Millisesse aineklassi kuulub rasv?
süsivesik
lipiid
valk
proteiin
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