1.10 Exchanging Materials (GCSE Biology)

The following is a GCSE Biology test covering '1.10 Exchanging Materials'

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Question 1

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Stomata in leaves mainly facilitate the exchange of:

Which feature of the human small intestine aids nutrient absorption?

A thin exchange surface is advantageous because it:

How is a steep diffusion gradient maintained in animals?

What structure in fish increases the surface area for gas exchange?

As organisms increase in size, their surface area to volume ratio:

Which factor is very important for efficient exchange of materials between organisms and their environment?

Cells adapted for diffusion must always have:

What do plant roots mainly exchange with the environment?

How do larger organisms overcome the problem of low surface area to volume ratio?

Which adaptation improves the gas exchange efficiency in animals?

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