Zadanie 1d
Suggest two reasons for the difference in stomatal density between shrubs in hotter and cooler habitats.
- Materiał graficzny
Gas exchange
Umiejętności w tym dziale
Umiejętności z tego działu sprawdzają 54 zadania wzorowane na arkuszach IB z lat 2022–2026. Dział pojawia się w 33 z 54 arkuszy w bazie.
Zadania z tego działu: 54 Otwórz w wyszukiwarce z filtrami
Zadanie 1f
Suggest one benefit of reducing stomatal density when atmospheric CO₂ is more abundant.
- Materiał graficzny
Zadanie 5a
State one environmental variable that affects the rate at which a leaf transpires.
Zadanie 7a
State the oxygen-carrying molecule used in vertebrate blood.
- Materiał graficzny
Zadanie 8
During exercise, oxygen delivery must meet increased demand in mammalian tissues. (a) Outline the molecular structure of haemoglobin. (b) Explain how the Bohr effect improves delivery of oxygen to tissues with a high respiration rate. (c) Describe features of…
Zadanie 22
The schematic shows a cross-section of a broadleaf plant. Which label indicates the region that carries water and assimilates along the leaf? A. Region A B. Region B C. Region C D. Region D
- Materiał graficzny
Zadanie 23
The trace includes quiet breathing followed by maximal inspiration and expiration. Which labelled interval represents expiratory reserve volume? A. A B. B C. C D. D
- Materiał graficzny
Zadanie 23
A volunteer takes a deep breath within the ventilation trace. Which muscle pattern occurs at T? A. Diaphragm relaxes while both intercostal groups contract B. Diaphragm contracts and external intercostals contract while internal intercostals relax C. Diaphragm…
- Materiał graficzny
Zadanie 1a
Identify the percentage saturation at an oxygen partial pressure of 40 mmHg.
- Materiał graficzny
Zadanie 1b
Describe the relationship shown between oxygen partial pressure and haemoglobin saturation.
- Materiał graficzny