Three statements about malarial parasites are listed. Insecticides are used to kill the vectors. Netting is used to keep the vectors away from people. People take drugs that stop the malarial pathogen developing. Which of these methods can be used to control malaria?

5090_s11_qp_12

MCQ

2011

Paper 1, Variant 2

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Which method of control would not be effective against the spread of the malarial parasite?

5090_s12_qp_11

MCQ

2012

Paper 1, Variant 1

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Which method of control would not be effective against the spread of the malarial parasite?

5090_s12_qp_12

MCQ

2012

Paper 1, Variant 2

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Which factor does not help to make the mosquito an effective vector of malaria?

5090_s13_qp_11

MCQ

2013

Paper 1, Variant 1

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Which factor does not help to make the mosquito an effective vector of malaria?

5090_s13_qp_12

MCQ

2013

Paper 1, Variant 2

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Malaria is a disease caused by a parasite that is transmitted from one person to another by a vector. Name the vector of the parasite that causes malaria. Spread of the vector may be controlled by using an insecticide. State two other ways of controlling the spread of the vector. Resistance to the insecticide can appear in the vector population. Describe how the process of natural selection may bring about resistance of the vector to insecticide.

5090_s16_qp_21

THEORY

2016

Paper 2, Variant 1

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Which row correctly matches a method of controlling malaria with the explanation of how this method works?

5090_s17_qp_12

MCQ

2017

Paper 1, Variant 2

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Explain the measures taken, excluding the use of drugs, to reduce the spread of malaria. Quinine was the only drug that was successfully used to protect against malaria until the 1920s. Suggest why quinine has largely been replaced by more recently-discovered drugs.

5090_s17_qp_22

THEORY

2017

Paper 2, Variant 2

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Which action will not help to reduce the spread of the malarial vector in the human population?

5090_s18_qp_12

MCQ

2018

Paper 1, Variant 2

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How does an anti-malarial drug control malaria?

5090_s19_qp_11

MCQ

2019

Paper 1, Variant 1

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