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Biology II
Chapter 27
| Question | Answer |
|---|---|
| Secondary tissues result from cell division in CORK CAMBIUM | T/F |
| SHORT DAY plants flower when nights are long | T/F |
| The shoot of a _CORN seedling grows straight up where as a bean seedling produces a shoot with a hook to push through the soil | T/F |
| Herbasias PERENNIALS such chrysanthemums store nutrients for the next season growths in fleshy root for underground stems | T/F |
| Plant development is considered REVERSIBLE because cells can form unspecialized cells that can differentiate and develop into a mature plant | T/F |
| ______obtain oxygen from airspaces between soil particles | a plants roots |
| Which of the following is a list of 3 major mineral nutrients required by plants ______________ | nitrogen, phosphorus, and potassium |
| A plant that completes its life cycle in a single growing season is called an_____ | annual |
| Which of the following maybe needed in order for a seed to germinate _____ | all the above |
| Like other grasses a weed plant is characterized by having | all the above |
| When commercial growers are artificially controlled the links of days and nights they are relying on a response called ____________ | photoperiodism |
| When binds grow there tendrils coil around. This action is called a ____________ | thigmotropism |
| Cells on the dark side of a stem elongate more than the cells on the light side because the ________ | hormone auxin accumulates on the dark side and causes the cell walls to become more flexible |
| Which part of the plant exhibits a positive phototropism | B |
| Which part of the plant exhibits a positive gravitropism | A |
| The flowers of bread wheat like all grass flowers lack____ | petals and sepals |
| Apical meristems located at the stems and roots produce _____ | primary growth |
| Secondary growth is produced by cell division in the cork cambium in the ________ | vascular cambium |
| To complete its life cycle a biennial plant takes ________ | 2 growing seasons |
| The structure labeled A is the_____ | endosperm |
| The structure labeled B is the ______ | embryo |
| The structure labeled C are the _______ | cotyledons |
| Many of a plant's responses to environmental stimuli are caused by_____ | hormones' |
| A trophism is a growth response________ from a stimulus | toward or away |
| In a kernel of bread wheat the ovary wall and seed coat are part of the ______ | bran |
| Which of the following is not a reason that plants need potassium ______ | photosynthesis |
| The major difference between plant and animal development is that _____________________ | plants continue to develop throughout their lives |
| All of the following are major mineral nutrients needed by plants except ___________ | zink |
| The dutch biologists fritz went showed that the bending of plants toward light is caused by a chemical called ______ | auxin |
| The process of GERMINATION occurs when a plant embryo assumes its growth | T/F |
| Some seed CANNOT SPROUT until their seed coats are damaged | T/F |
| In a tissue culture cells divide and then undergo DIFFERENTIATION | T/F |
| Trees shrubs and woody vines that drop all of their leaves at the end of the growing season each year are classified as PERENIALS | T/F |
| SECONDARY GROWTH results in an increase in a plants width | T/F |
| If there is not enough air in the spaces between particles there may not be enough OXYGEN available for a plants roots and a plant could die | T/F |
| The nutrient NITROGEN is a part of all proteins nucleus acids chlorophyll and coenzymes in plants | T/F |
| The inhibition of bud growth along the stem by auxin is called APICAL DOMINANS | T/F |
| A GRAPHTOPISM is a response to gravity | T/F |
| In many MONOCOTS the shoot of a seedling is covered by a protective sheet | T/F |
Created by:
Jodom