Vuna je:

Vuna

Quiz
•
Biology
•
9th Grade
•
Hard
Anja Pušić
Used 1+ times
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
biljno vlakno
životinjsko vlakno
sintetičko vlakno
umjetna celulozna vlakna
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Vuna raste kao dlačni pokrivač na ovcama, a naziva se ________ .
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nakon šišanja pere se u
kiseloj otopini
neutralnoj otopini
lužnatoj otopini
octu
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vuna je građena od proteina
fibroina
keratina
kolagena
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Cistinska veza između molekula keratina drugi je naziv za __________ vezu.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vuna je vlakno
ljuskave površine
glatke površine
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vlakno vune građeno je od koliko dijelova?
1
2
3
4
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