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Do you know your 'fat choi'?

Polytechnic University runs the annual Senior Secondary Science and Mathematics Competitions (SSSMC) in April each year to promote students' interest in maths, physics, chemistry and biology. Entries for this year's competition have already closed, but you can still get a taste of what it involves.

Young Post will be running sample questions on a different topic every week. More questions can be found on yp.scmp.com. The answers will be published the following week, as well as questions on a new topic.

This week, we feature two sample biology questions. Challenge yourself, and check the answers online next week.

1 Which of the following statements about the organelles is incorrect?

A. Nucleus is a double-membrane-bound organelle.

B. Rough endoplasmic reticulum is where protein synthesis takes place.

C. Cell wall and cell membrane contain specific receptor sites.

D. Chloroplast contains a pigment for photosynthesis.

2 Nostoc flagelliforme is a popular Lunar New Year dish, as its name suggests good fortune. Which of the following taxonomic classifications is correct?

A. species: Nostoc; genus flagelliforme; kingdom: Plantae; domain: Eukarya

B. species: flagelliforme; genus: Nostoc; kingdom: Protista; domain: Eukarya

C. species: Nostoc; genus: flagelliforme; kingdom: Plantae; domain: Archaea

D. species: flagelliforme; genus: Nostoc; kingdom: Protista; domain: Archaea

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