Zadanie 1a
State the modal daily step counts for regions S and Q, rounded to the nearest 1000 steps.
- Materiał graficzny
Biology SL Paper 2, May 2023, 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 17 zadań z tego arkusza, razem 47 punktów, każde z kluczem i schematem punktowania. Najwięcej zadań sprawdza: Recording and interpreting biological data (5), Evaluating biological evidence and methods (3), Dominant and recessive phenotype patterns (3).
Rozwiąż arkuszCały arkusz po kolei. Wynik na końcu.
Dodaj cały arkusz do zestawuZadanie 1b
Distinguish between the activity distributions in regions P and R.
- Materiał graficzny
Zadanie 1c
Identify the cities with the highest and lowest walkability scores.
- Materiał graficzny
Zadanie 1d
Suggest reasons for the association between walkability and activity inequality.
- Materiał graficzny
Zadanie 1e
Compare and contrast the obesity-prevalence patterns for women and men.
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Zadanie 1f
Suggest two hypotheses that could account for the association between step count and obesity prevalence.
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Zadanie 1g
State the association in the final scatterplot.
- Materiał graficzny
Zadanie 1h
Using only these datasets, suggest two strategies that could reduce obesity prevalence.
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Zadanie 2a
A gland cell secretes a protein into a duct. Its main organelles are shown. Explain how three of the visible organelles support this function.
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Zadanie 4a
(i) State the number of water molecules shown. (ii) Identify the dotted intermolecular interactions.
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Zadanie 4b
(i) With reference to the model, explain evaporation of water from sweat. (ii) Outline why humans secrete sweat when body temperature rises.
- Materiał graficzny
Zadanie 5a
Explain the inheritance conclusion supported by cross 1.
Zadanie 5b
Deduce why crosses 2 and 3 give different offspring ratios.
Zadanie 5c
Cross 4 produces 96 offspring. Predict the two phenotype counts and the proportion spotted.
Zadanie 5d
Suggest how the frequency of spotted individuals could change in the population.
Zadanie 6
(a) Outline the events of mitosis in their normal sequence. (b) Describe processes taking place in the nucleus of a eukaryotic cell during interphase, the period between nuclear divisions.
Zadanie 7
Outline stages of the carbon cycle involving plants or materials originating from plants.