IGCSE Biology (0970) — May–June 2024, Paper 32

State the word equation for photosynthesis.

Physical digestion by teeth breaks down food into smaller pieces. Explain the importance of food being physically broken down into smaller pieces.

Fig. 3.1 is a photomicrograph of a section through the stem of a plant. Use a label line and label to identify and name a structure that transports sucrose in Fig. 3.1.

Complete the description of the human circulatory system. The circulatory system is a system of blood vessels with a ............ and ............ to ensure one-way flow of blood.

The melanin gene in humans codes for a pigment produced in the skin, hair and eyes. Describe what is meant by the term gene.

Fig. 6.1 is a diagram of a bacterial cell, with a plasmid labelled and answer lines for other structures. Complete Fig. 6.1 by using the words in the list to label these…

The human body must maintain a constant internal environment. State the term used to describe the maintenance of a constant internal environment.

A student carefully took a fuchsia flower apart. Fig. 8.1 is a photograph of the parts of the flower, with parts labelled A, B, C and D. State the function of each of the parts…