Practice A - Unity and Diversity with authentic IB Biology exam questions for both SL and HL students. This question bank mirrors Paper 1A, 1B, 2 structure, covering key topics like cell biology, genetics, and ecology. Get instant solutions, detailed explanations, and build exam confidence with questions in the style of IB examiners.
According to the morphological species concept, how are organisms classified as belonging to the same species?
Which scenario best highlights a limitation of the biological species concept?
Water molecules can adhere to polar surfaces such as cellulose. What is a biological consequence of this property?
What aspect of speciation makes the classification of diverging populations particularly difficult?
A region once containing a complex wetland ecosystem has been drained and urbanized. Which of the following consequences is least likely to occur?
Which type of isolation is least likely to lead to speciation?
The diagram shows an image of a cell, which organelle is responsible for lipid synthesis?
What can be concluded on the basis of the following karyotype?
Which of the following could be a function of a membrane protein?
What is the structure shown in the diagram below?
Practice A - Unity and Diversity with authentic IB Biology exam questions for both SL and HL students. This question bank mirrors Paper 1A, 1B, 2 structure, covering key topics like cell biology, genetics, and ecology. Get instant solutions, detailed explanations, and build exam confidence with questions in the style of IB examiners.
According to the morphological species concept, how are organisms classified as belonging to the same species?
Which scenario best highlights a limitation of the biological species concept?
Water molecules can adhere to polar surfaces such as cellulose. What is a biological consequence of this property?
What aspect of speciation makes the classification of diverging populations particularly difficult?
A region once containing a complex wetland ecosystem has been drained and urbanized. Which of the following consequences is least likely to occur?
Which type of isolation is least likely to lead to speciation?
The diagram shows an image of a cell, which organelle is responsible for lipid synthesis?
What can be concluded on the basis of the following karyotype?
Which of the following could be a function of a membrane protein?
What is the structure shown in the diagram below?