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Biology - Nine
Biology - Chapter Nine
| Question | Answer |
|---|---|
| Single-cell plants include free-living forms, cells that live in colonies, and | filamentous |
| The chromosome number of vegetative Chlamydomonas cells is best described as being | haploid |
| Primitive gametes that are similar in appearance are known as | isogametes |
| Gonium species live as a simple _________ of cells | colony |
| The Volvox series of cells demonstrates an evolutionary trend toward | multicellularity (specialization) |
| Chlorophyll______________ is found only in the red algae | d |
| The water-carrying tissues of green plants are known collectively as____________ tissues | vascular |
| The cycle of a sexual generation following an asexual generation is known as | alternation of generations |
| Fluid compounds are conducted downward in plants by ______________ tubules | phloem |
| A sorus (plural, sori) can be found on the leaves of __________ plants | fern |
| The dominant generation in the ferns is the _______ generation | sphorophyte |
| The gymnodsperms are best described as ________ bearers | cone |
| The prefix -mega means | large |
| The microsporophylls are _________ cones | pollen |
| In gymnosperms, the agent of pollinatin is | wind |
| In gymnosperms, the megasporangium produces the | ovule |
| Petals are known collectively as the | corolla |
| The tube nucleus develos from the germinating | pollen grains |
| A fruit is a ripened | ovary |
| Growth in length of roots occurs at the | tips |
| A stem with its leaves is called a | shoot |
| In the plant, the Casparian strip is located in the | root |
| Secondary plant tissues arise from the | cambium |
| Carotene and phycoerythrin function as ____________ pigment is | chlorophyll a |
| Carbon fixation takes place in the ____________ of the chloroplast | accessory |
| The response that plants make to light is called | stroma |
| Indoleacetic acid belongs to a group of hormones known by the general name | phototropism |
| A plant's photoperiod is described in terms of | auxins |
| The group of hormones produced in plant roots and distributed upwards are known as | cytokinins |
| Chlamydomonas resembles the protists because it lives iin water and swims by means of | flagella |
| The functin of the pyrenoid body is to | store starch |
| Sea lettuce is best classified as | alga |
| A true statement about Volvax is | most of its cells do not functin in reproduction |
| The sporophyte generation of sea lettuce is | diploid |
| Fucus does not have | an asexual cycle |
| The greatest hazard to lang dwelling plants is | drying out |
| Waterproofing of land cells is made possible by cell walls composed of | insect infestation |
| Examples of bryophytes are | hornwort, liverwort, moss |
| Species that bear two types of spores are described as being | heterosporous |
| Dried, ground stems of the horsetails are used in scouring powder because their cell walls contain | silica |
| An underground stem is called a | rhizome |
| Ferns are successful land plants because they have well developed | vascular systems |
| In the gymnosperms, the megasphorophyll is a (an) | seed cone |
| The embryo plant is protected inside of the | seed |
| The production of two types of gametes is known as | heterogamy |
| A true statement about the gymnosperms is that they do not produce | flagellated sperm |
| In the flowering plants, the male reproductive structures are the | stamens |
| The chromosomes number of the fertilized endosperm nuclues is best described as | triploid |
| The part of the young root that pushes its way through the soil is the | root cap |
| The word meristem refers to | rapidly growing cells |
| The primary function of the root cortex is to | store water and food |
| Secondary tissues in roots arise from the | cambium |
| A tendril is a specialized | stem |
| Sap rises in trees due to the force created by | transpiration |
| Photosystems are functional prigment groups located on the | membranes of the thylakoids |
| As an outcome of cyclic phosphorylation | ATP is formed |
| Ribulose biphosphate | begins the Calvin cycle |
| A plant that has Kranz anatomy in the arrangement of its leaf tissues is | corn |
| During photorespiration, O2 binds to | RuBP carboxylase |
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