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Question 19N.2.SL.TZ0.1a

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Date November 2019 Marks available [Maximum mark: 1] Reference code 19N.2.SL.TZ0.1a
Level SL Paper 2 Time zone TZ0
Command term State Question number a Adapted from N/A
a.
[Maximum mark: 1]
19N.2.SL.TZ0.1a

Cultivated rice, Oryza sativa, is one of the most important human foods. The two main sub-species of cultivated rice are O. sativa indica and O. sativa japonica. O. rufipogon is a wild species from which they probably evolved.

(a)

State the reason that O. sativa and O. rufipogon are classified as different species.

[1]

Markscheme

cannot interbreed to produce fertile offspring ✔

Accept converse or a good explanation.

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