IB DP Biology Exam - Paper 1A - Theme A: Unity and Diversity
Quiz
•
Science
•
11th Grade
•
Practice Problem
•
Hard
Serges Bademin Nagalo
Used 1+ times
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37 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quelle propriété de l'eau permet aux insectes comme le gerris de se déplacer à la surface ?
A. La forte chaleur spécifique
B. La tension superficielle élevée due à la cohésion
C. Les propriétés adhésives
D. Sa densité maximale à 4°C
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Lequel des énoncés suivants est correct pour l'ARN mais pas pour l'ADN ?
La base peut être l'adénine.
Le sucre est un désoxyribose.
La base peut être l'uracile.
Il est composé d'un groupe phosphate.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Laquelle des structures suivantes est présente à la fois dans les cellules procaryotes et eucaryotes ?
Des ribosomes 80S
Une enveloppe nucléaire
Des mitochondries
Une membrane plasmique
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Selon la théorie endosymbiotique, quelle est l'origine des mitochondries ?
La compartimentation de la cellule procaryote.
Une cellule procaryote aérobie absorbée par une cellule eucaryote ancestrale anaérobie.
L'invagination de la membrane plasmique de la cellule hôte.
Une cellule procaryote photosynthétique absorbée par une cellule hétérotrophe.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Homo sapiens et Homo neanderthalensis appartiennent au même...
Genre
Espèce
Famille
Ordre
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The structure of a bat's wing and a human's arm are examples of homologous structures. What does this suggest about these two species?
They evolved convergently.
They share a common ancestor.
They live in similar environments.
They have the same function of flight.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The Miller-Urey experiment was designed to simulate the conditions of primitive Earth. What was the main result of this experiment?
The formation of prokaryotic cells.
The formation of simple organic molecules such as amino acids.
Evidence of the extraterrestrial origin of water.
The spontaneous formation of membranes.
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