Ecosystems

EasyMediumHard
1234567891011121314151617181920212223242526272829303132333435363738394041424344454647
Question 45
Medium
a.

The diagram below shows a food web containing monk fruit plants.

A food web diagram

Write down the number of trophic levels in this food web.

[1]
b.

State the primary source of energy for this food web.

[1]
c.

Powdery mildew fungus is a parasite of the monk fruit plant. Explain what is meant by the term parasite.

[1]
d.

Monk fruit is grown commercially as a fruit crop. Farmers often introduce predatory mites to their orchards.

Explain why farmers do this, using the food web diagram to support your answer.

[3]
e.

Monk fruit contains mogrosides, which make the fruit taste extremely sweet but are not sugars.

Describe how a student could test a sample of monk fruit extract to show that it does not contain reducing sugars.

Reagent used:

Method:

Expected result:

[3]
f.

Explain how using monk fruit extract instead of sugar in food products benefits people with type 2 diabetes.

[1]

Ecosystems Questions

  1. GCSE
  2. /Biology
  3. /Ecosystems