Zadanie 1a
(i) State the relationship between body and ambient temperature. (ii) Explain how this differs from the usual human response across a similar ambient range.
- Materiał graficzny
Biology SL Paper 2, May 2022, TZ1
Zadania wzorowane na pytaniach z tego arkusza: te same umiejętności, format i punktacja, inne dane i kontekst. Treści arkusza IB nie publikujemy.
W bazie 16 zadań z tego arkusza, razem 57 punktów, każde z kluczem i schematem punktowania. Najwięcej zadań sprawdza: Recording and interpreting biological data (4), Evaluating biological evidence and methods (2), Protein denaturation by heat or pH (2).
Rozwiąż arkuszCały arkusz po kolei. Wynik na końcu.
Dodaj cały arkusz do zestawuZadanie 1b
(i) Describe the posture trend as ambient temperature rises. (ii) Suggest reasons for this trend.
- Materiał graficzny
Zadanie 1c
State the month containing the highest daily mean food intake.
- Materiał graficzny
Zadanie 1d
Outline the relationship between daily temperature and food intake during June.
- Materiał graficzny
Zadanie 1e
Suggest, with a reason, how activity might change as ambient temperature increases.
- Materiał graficzny
Zadanie 2a
State the number of amino-acid types specified by the standard genetic code for polypeptide synthesis.
Zadanie 2b
Outline one condition that can denature a protein.
Zadanie 2c
Explain how denaturation can affect enzyme activity.
Zadanie 3a
Calculate the increase from 1885 to 2015.
- Materiał graficzny
Zadanie 3b
Outline why a short interval could give a misleading impression of long-term climate change.
- Materiał graficzny
Zadanie 3c
Explain how increasing atmospheric carbon dioxide strengthens the greenhouse effect.
- Materiał graficzny
Zadanie 4a
State the probability that P has haemophilia.
- Materiał graficzny
Zadanie 4b
Explain why the females shown do not have haemophilia.
- Materiał graficzny
Zadanie 5a
Explain how an impulse in one neuron can cause a response in another neuron at a chemical synapse.
Zadanie 6
Plant energy capture and animal cell functions support life. (a) Outline reasons for using stem cells therapeutically. (b) Describe how leaf cells use light energy. (c) Explain how cells and cell components in blood protect against infectious disease.
Zadanie 7
Inheritance and cell division contribute to biological variation. (a) Draw and label one RNA nucleotide. (b) Distinguish mitosis from meiosis. (c) Explain how natural selection can produce antibiotic resistance in a bacterial population.