8 vetikad

8 vetikad

8th Grade

16 Qs

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8 vetikad

8 vetikad

Assessment

Quiz

Biology

8th Grade

Practice Problem

Medium

Created by

Cristina Kaska

Used 77+ times

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16 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Vetika juure funktsioon on

hoida teda pinnases kinni
imada pinnasest vett
paljuneda vegetatiivselt
vetikal ei ole juuri

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Võrreldes teiste taimedega vajavad vetikad eluks palju ...

Vett
Valgust
Mineraalaineid
Süsihappegaasi

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Kõige vähem päikesevalgust vajab ...

sinivetikas
pruunvetikas
punavetikas
rohevetikas

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Sinivetika teine nimetus on

Hallitusbakter
Tsüanobakter
Tsüaniid
Spiraalbakter

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Miks on vetikad meile väga olulised?

Hoiavad veekogudes vee selgena
Takistavad ujujatel uppumist
Tarbivad 90% õhuhapnikust
Toodavad 90% õhuhapnikust

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Sellist taimekeha, kus pole organid eristatavad, nimetatakse  

manuseks
lamuks
talluseks

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Eesti suurim vetikas on

agarik
põisadru
karerohevetikas
väike lemmel

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