DP Biology (last assessment 2024)
Question 19M.3.HL.TZ2.b
Date | May 2019 | Marks available | [Maximum mark: 2] | Reference code | 19M.3.HL.TZ2.b |
Level | HL | Paper | 3 | Time zone | TZ2 |
Command term | Suggest | Question number | b | Adapted from | N/A |
b.
[Maximum mark: 2]
19M.3.HL.TZ2.b
The climograph shows data collected at Mangalore, India. The natural vegetation of the surrounding area is forest and the climate is tropical.
[Source: from: The Physical Environment: An Introduction to Physical Geography. Michael Ritter
https://earthonlinemedia.com/ebooks/tpe_3e/]
Natural forests in the area around Mangalore contain hardwood trees such as teak, Tectona grandis, which are deciduous, shedding their leaves once a year. Suggest, with a reason, when this might happen.
[2]
Markscheme
a. dry season/Jan/Feb ✔
b. «drop leaves» to prevent water loss/transpiration «since no rainfall for almost four months» ✔
Examiners report
Many provided correct answers, but also an important number could not relate the process to prevention of water loss during the dry months.
