Inicijalni test iz Biologije za 3. razred gimnazije
Quiz
•
Biology
•
11th Grade
•
Practice Problem
•
Hard
Jelica Mirosavić
Used 8+ times
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15 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 2 pts
Obeleži tačne odgovore.
* Ljudska ćelija koja sadrži 22 autozoma i jedan X hromozom je:
telesna ćelija žene
telesna ćelija muškarca
spermatozoid
jajna ćelija
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Obeleži tačan odgovor.
* Koja promena u strukturi hromozoma je prikazana na slici?
delecija
duplikacija
inverzija
translokacija
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Odredi da li je navedeni iskaz tačan ili netačan.
* Mutacije povećavaju genetičku varijabilnost.
tačno
netačno
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Obeleži tačan odgovor.
* Genetičku strukturu populacije čini:
Skup svih alela svih jedinki u populaciji.
Učestalosti alela i genotipova u jednoj populaciji.
Skup učestalosti heterozigota u jednoj populaciji.
Učestalosti alela u jednoj populaciji.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Obeleži tačan odgovor.
* Obeleži tvrdnju koja ne pripada Darvinovom objašnjenju mehanizma evolucije.
Živa bića se menjaju u interakciji sa sredinom i imaju urođenu težnju da budu prilagođena na uslove sredine.
Evolutivne promene vrsta su postupne i zasnivaju se na nagomilavanju malih razlika između jedinki različitih populacija, tokom dugog niza generacija.
Sve vrste imaju zajedničko poreklo tj. vode poreklo od zajedničkog pretka.
Evoluiraju populacije, a ne jedinke.
Glavni mehanizam evolutivnih promena jeste prirodna selekcija.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Obeleži tačan odgovor.
* Koji evolucioni mehanizam sprečava odvajanje populacija iste vrste u odvojene vrste?
mutacije
protok gena
genetički drift
prirodna selekcija
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Obeleži tačan odgovor.
* Koje adaptacije su prisutne kod bora, a nisu kod mahovine busenjače?
vršni meristem
stome
lignin i provodno tkivo
višećelijski zaštićeni embrion
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