
Muld
Authored by Eda Aavik
Biology
1st Grade
Used 11+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mida nimetatakse murenemiseks?
kivimite lagunemine
mulla lagunemine
huumuse tekkimine
vee voolamine
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ained, mis on sattunud mulda kivimite murenemisel...
mineraalained
orgaanilised ained
huumus
muld
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vihmaussid
kobestavad mulda
tihendavad mulda
kahjustavad mulda
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mis on mulla oluline omadus saagikuse jaoks?
viljakus
kivisus
vee sisaldus
õhk mullas
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mis on taime juure ülesanne?
hoida taime mullas
söömiseks
mahla tegemiseks
õhu tootmiseks
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mis on taime juure ülesanne?
võtta mullast vett ja mineraalaineid
mahla tootmiseks
hapniku tootmiseks
lagundamiseks
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mida teevad mullas bakterid?
lagundavad
toodavad hapnikku
tarbivad
tantsivad
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