FACTUAL RIDDLES XIV

1. At what time of year is there the least fruit?

2. It used to be that academic achievement, participation in athletics, and extra-curricular activities were the main considerations for admission to a university - usually in that order.  But today there is a fourth, sometimes over-arching requirement. What is it?

3. What is the first known case of sibling rivalry?

4. What word takes up 25 pages in the Oxford English Dictionary?

Answer:

1. When the trees are in blossom 
2. Diversity 
3. Cain vs. Abel 
4. Set