IB DP Biology A3.1 Diversity of organisms – FA 2025- Question Bank SL Paper 1

Question

An animal has the following characteristics: bilateral symmetry, mouth but no anus, ribbon shape. Which phylum does the animal belong to?

    1. Mollusca

    2. Cnidaria

    3. Annelida

    4. Platyhelmintha

Answer/Explanation

Ans: D

Question

The images show a structure found on members of a phylum of green plants.

           

What is the name of the phylum to which the organisms belong?

    1. Coniferophyta

    2. Angiospermophyta

    3. Filicinophyta

    4. Bryophyta

Answer/Explanation

Ans: A

Question

A locust is an arthropod. For invertebrate groups, which recognition feature is found only in arthropods?

    1. Bilateral symmetry

    2. Jointed appendages

    3. Wings

    4. Segmented body

Answer/Explanation

Ans: B

Question

Which is a characteristic of both bryophyta and filicinophyta?

A. Vascular tissue

B. Membranous leaves

C. Release of spores

D. Evergreen spines

Answer/Explanation

Markscheme

C

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