VI.
1. Discuss fully (a), the cause of radio-activity, (b), gravitation.
2. What have you to say of the scenic aspects of the English Trias? Name a dozen of the fossils. Sketch half-a-dozen.
V.
1. Give as full an explanation as you can of colour.
2. Describe the composition of the igneous rocks. Where do they appear?
Biology, Botany, etc.
VI.
1. What are the characters of the backboneless animals? Describe half-a-dozen examples.