1. Which of the following is not dispersed by wind?   Oroxylon   Cinchona   Drumstick   Orchids   Coconut   Hint Half-n-half Clue   2. The male flower of the hazel plant is known as the _______.   corymb   capitulum   catkin   Half-n-half Clue   3. The hard wood in the center of a tree trunk is referred to as 'heartwood'.   True   False   4. Insects visit flowers in the search of _______.   water   fragrance   nectar   Half-n-half Clue   5. During _______, the pollen grains are transferred from the anthers of a flower to the stigma of the same flower.   cross-pollination   self-pollination   6. In a bean, water is taken in through the _______.   integument   micropyle   cotyledon   Half-n-half Clue   7. During _______, the pollen grains are transferred from the anthers of one flower to the stigma of another flower.   self-pollination   cross-pollination