1. During _______, the pollen grains are transferred from the anthers of a flower to the stigma of the same flower.   cross-pollination   self-pollination   2. During _______, the pollen grains are transferred from the anthers of one flower to the stigma of another flower.   self-pollination   cross-pollination   3. The fleshy base of a flower forming the top of the flower-stalk is called the _______.   pedicel   peduncle   receptacle   Hint Half-n-half Clue   4. Even though a seed has been kept for several years, it will eventually germinate.   True   False   5. Which of the following is dispersed by animals?   Hogweed   Caesalpenia   Yam   Acacia   Maple   Half-n-half Clue   6. The hard wood in the center of a tree trunk is referred to as 'heartwood'.   True   False   7. The growth of a pollen tube enables pollination to take place.   True   False