| Hint | Answer | % Correct |
|---|---|---|
| The green pigment of plants and photosynthetic algae and bacteria that traps the energy of sunlight for photosynthesis. | Chlorophyll | 76%
|
| A fine powdery substance produced by the anthers of seed-bearing plants, consisting of numerous fine grains containing the male gametes. | Pollen | 74%
|
| The synthesis of organic compounds from carbon dioxide and water (with the release of oxygen) using light energy absorbed by chlorophyll. | Photosynthesis | 72%
|
| Having male and female flowers in the same cluster. | Androgynous | 67%
|
| To transfer pollen from the anthers to the stigma of (a flower). | Pollinate | 66%
|
| The state of growing new leaves. | Foliation | 62%
|
| The main organ of photosynthesis and transpiration in higher plants, usually consisting of a flat green blade attached to the stem directly or by a stalk. | Leaf | 61%
|
| To cause (seeds or spores) to sprout or (of seeds or spores) to sprout or form new tissue following increased metabolism. | Germinate | 60%
|
| The main axis of a plant, which bears the leaves, axillary buds, and flowers and contains a hollow cylinder of vascular tissue. | Stem | 59%
|
| The directional growth of plants in response to the stimulus of water. | Hydrotropism | 58%
|
| A fleshy underground stem (as in the potato) or root (as in the dahlia) that is an organ of vegetative reproduction and food storage. | Tuber | 58%
|
| A rounded organ of vegetative reproduction in plants such as the tulip and onion: a flattened stem bearing a central shoot surrounded by fleshy nutritive inner leaves and thin brown outer leaves. | Bulb | 56%
|
| A dry one-seeded indehiscent fruit that usually possesses a woody wall. | Nut | 56%
|
| The ripened ovary of a flowering plant, containing one or more seeds. | Fruit | 53%
|
| A solution of mineral salts, sugars, etc, that circulates in a plant. | Sap | 53%
|
| The response of a plant to an external stimulus by growth in a direction determined by the stimulus. | Tropism | 50%
|
| The first aerial part of a plant to develop from a germinating seed. | Shoot | 45%
|
| The female reproductive part of a flower, consisting of one or more separate or fused carpels. | Pistil | 42%
|
| A slender stem with very long internodes, as of the strawberry, that arches down to the ground and propagates by producing roots and shoots at the nodes or tip. | Runner | 42%
|
| The sepals of a flower collectively, forming the outer floral envelope that protects the developing flower bud. | Calyx | 41%
|
| The reproductive structure of angiosperm plants, consisting normally of stamens and carpels surrounded by petals and sepals all borne on the receptacle. | Flower | 41%
|
| A mature fertilized plant ovule, consisting of an embryo and its food store surrounded by a protective coat. | Seed | 41%
|
| The male reproductive organ of a flower, consisting of a stalk (filament) bearing an anther in which pollen is produced. | Stamen | 41%
|
| A thick horizontal underground stem of certain plants whose buds develop new roots and shoots. | Rhizome | 38%
|
| The terminal part of a stamen usually consisting of two lobes, each containing two sacs in which the pollen matures. | Anther | 36%
|