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B2 6 mark Questions
Q1.
* Discuss the advantages and disadvantages of the use of GM organisms.
(6)
Q2.
* Describe how the circulatory system transports substances around the body.
(6)
Q3.
* The diagram shows some limbs of modern-day animals.
Explain how the study of the limbs of different species of vertebrates provides evidence for evolution.
(6)
Q4. In 2011, South Korean scientists genetically engineered a cell from a beagle.
They then cloned this cell to create a beagle.They called this beagle Tegon. Tegon glows in the dark
when UV light is shone on him.
Cloning involves cells that divide by mitosis.
*(ii) Describe the stages used in the laboratory to clone and produce Tegon from the genetically
engineered cell.
(6)
Q6.
Visking tubing is made of a plastic material through which small molecules can pass.
The diagram shows how the equipment for an investigation using visking tubing was set up.
In this investigation, the concentration of glucose in the distilled water was measured at the start and
then every five minutes.
*(iii) The diagram shows how visking tubing can be used to model the small intestine.
This model does not fully represent the structure and functions of the small intestine.
Evaluate the strengths and weaknesses of this model.
(6)
Q7.
* The diagram shows a cell from the leaf of a plant.
Describe the role of the structures in this plant cell.
(6)
Q8.
*(c) Describe how the circulatory system transports substances around the body.
(6)
Q9.
*(b) Explain how water, glucose and mineral salts are transported through a plant.
(6)
(Total for Question = 12 marks)