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2.2 Animal tissues, organs and organ systems

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Question 63
F

A person has lost all of their teeth, so they swallow their food without chewing it. Their food is now digested more slowly. Which explains why?

[1]
A

The pieces of food have a larger surface area for the enzymes to act on.

B

The pieces of food contain fewer large molecules for the enzymes to act on.

C

The pieces of food contain more small molecules for the enzymes to act on.

D

The pieces of food have a smaller surface area for the enzymes to act on.

Markscheme

2.2 Animal tissues, organs and organ systems Questions

  1. GCSE
  2. /Biology
  3. /2.2 Animal tissues, organs and organ systems

179 exam-style questions on AQA GCSE Biology 2.2 Animal tissues, organs and organ systems, covering 2.2.1 The human digestive system, 2.2.2 The heart and blood vessels, 2.2.3 Blood, 2.2.4 Coronary heart disease: a non-communicable disease, 2.2.5 Health issues, 2.2.6 The effect of lifestyle on some non-communicable diseases, and 2.2.7 Cancer. Each one has a worked solution and a mark scheme showing where the marks go.

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