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AR Plant Sci U6&7
AR Plant Science Units 6 & 7
| Question | Answer |
|---|---|
| the basic unit of life containing living material bound by a membrane | cell |
| substances that promote, inhibit, or modify plant growth | growth regulator |
| the area between two nodes | internode |
| portion of the stem that is swollen or slightly enlarged that gives rise to buds | node |
| the response of plants to light | photoperiodism |
| a hormone used to enhance production of roots on a cutting | rooting hormone |
| process in which the sperm cell joins the egg cell | fertilization |
| growth of a new plant from a seed | germination |
| offspring from genetically different parents; produced through human manipulation | hybrid |
| the part of the flower that contains one or more ovules | ovary |
| the part of the ovary where eggs are produced and seeds develop | ovule |
| the part of the flower which produces male sex cells | pollen |
| the transfer of pollen from the male to female part of the flower | pollination |
| plant reproduction; increasing the number of plants using sexual and asexual means | propagation |
| the fertilized, mature ovule of a plant; consist of three major parts: seed coat, embryo, and stored food | seed |
| reproducing plants from seed, which result from the union of male and female sex cells | sexual propagation |
| the breaking down of a seed coat to encourage germination | scarification |
| the process of a seed going through a time of cold temperature before it germinates | stratification |
| stigma—pistil where pollen is collected | stigma |