DP Biology (first assessment 2025)

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Question 19M.2.HL.TZ2.15b

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Date May 2019 Marks available [Maximum mark: 2] Reference code 19M.2.HL.TZ2.15b
Level HL Paper 2 Time zone TZ2
Command term Suggest Question number b Adapted from N/A
b.
[Maximum mark: 2]
19M.2.HL.TZ2.15b
(b)

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.

Syllabus sections