Available choices:
1). white;
2). insects;
3). seeds;
4). haploid;
5). bees;
6). swea;
7). grass;
8). Conifers;

Fact 1: Pollen consists of tiny grains that are the male gametes of plants. Fact 2: Haploid plants produce gametes. Given the two facts above, what kind of plants produce pollen?
Answer:
4).