Biology MCQ
In a chemical reaction, the element 13al will most preferably ________.
Answer
Correct Answer:
Lose three electrons and become positively charged
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The closest algal relatives of land plants are _____. see concept 29.1 (page 620)
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Correct Answer:
Charophytes
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If you have ever had a cup of coffee or sipped a beer, you have taken a(n) _____ drug.
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Correct Answer:
Psychoactive
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Human survival literally depends on the produce of _____. see concept 30.4 (page 647)
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Correct Answer:
Angiosperms
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The left hemisphere has regions devoted to _____
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Correct Answer:
Math and logic.
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Sperm cells are formed in plants by _____.
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Correct Answer:
Mitosis in male gametophyte
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Skeletal support in sponges is never provided by ____________________________.
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Correct Answer:
Calcium-magnesium ion complexes
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Mycorrhiza help vascular plants to get _____.
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Home-work-help.
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Kumquat is the most ___________________ type of citrus for arizona.
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Correct Answer:
Cold hardy
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The advantages of seeds, compared to spores, include ________.
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Correct Answer:
Containing a nutrient store for a developing sporophyte
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A pine tree is a _____. bryophyte gymnosperm angiosperm
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The ________ is the protective chamber that houses the ovule and later matures to become the fruit.
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Human survival literally depends on the produce of _____
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Correct Answer:
Angiosperms
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Cellular differentiation and morphogenesis in plants depends primarily on _____.
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Correct Answer:
Regulation of gene expression
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_______ support mangrove trees out of the water
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Correct Answer:
Prop roots
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________ are modified leaves that are often brightly colored and fragrant.
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Seaweed and kelp are _____ algae. brown red fire golden-brown
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Correct Answer:
Golden-brown
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Roses and lilies are _____. bryophytes gymnosperms angiosperms
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Correct Answer:
Angiosperms
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A gene that affects the expression of a second gene is an example of __________________.
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Correct Answer:
Pleiotropy
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A gastropod, such as a __________, undergoes torsion and is usually underneath a single shell.
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The ______ is responsible for landing and scheduling events for a facility.
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Spores and seeds have basically the same function?dispersal?but are vastly different because _____.
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Correct Answer:
Spores are unicellular; seeds are not
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The most direct ancestors of land plants were probably _____.
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Correct Answer:
Green algae
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The medium used in protoplast fusion experiments is _________.
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When you eat brussels sprouts, you are eating _____.
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Correct Answer:
Large axillary buds.
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Unlike almost all ferns, seed plants ________.
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Correct Answer:
Produce two kinds of spores.
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The parts of a flower include all of the following except ______.
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The functional role of sporopollenin is primarily to _____.
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Correct Answer:
Reduce dehydration.
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The development of the __________ prevents plants from drying out and protects them from microbes.
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One difference between algae and plants is that _____.
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Correct Answer:
Plants have roots, stems, or leaves.
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Nearly all food plants are classified as ______.
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Correct Answer:
Angiosperms
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Much of the coal we use today came from ________ that lived during the carboniferous.
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Correct Answer:
Seedless vascular plants
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Fungi belong to the clade ___________.
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Correct Answer:
Opisthokonts.
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During conifer reproduction pollen grains are released into the _____
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Correct Answer:
Pollen tube
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Angiosperms _____. have flowers have cones are nonvascular are seedless
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The ______ helps plants retain water.
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A ____________ is a display of all of the chromosomes of an organism.
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Correct Answer:
Karyotype
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Xerophytes minimize water loss by _____.
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Correct Answer:
Using the CAM pathway
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When a plant opens and closes its stomata, it is maintaining _____.
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Correct Answer:
Homeostasis
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Water-storing plants and deeply-rooted shrubs are plants that characterize ______.
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Vascular plants hydrate photosynthetic cells using _____, whereas bryophytes do so using _____.
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Correct Answer:
Soil water; surface water
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The transport of a water column up a very tall tree can be explained by _____.
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Correct Answer:
Cohesive and adhesive forces of the water column under evaporative tension
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The major difference between angiosperms and gymnosperms comes from the _____.
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Correct Answer:
Presence or absence of a protective covering over the ovule
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Photosynthesis uses ____________ to produce atp, nadph, and o2.
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Correct Answer:
Light energy
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The main source of water necessary for photosynthesis to occur in the leaf mesophyll is _____.
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Correct Answer:
Soil via the xylem
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The less common type of plant is the _____.
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Correct Answer:
Hydrophytes
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The female structures of angiosperms are called __________, and they produce __________.
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Correct Answer:
Carpels ... ovules
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The apoplast in plant tissues consists of ________.
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Correct Answer:
Cell walls, extracellular spaces, and vessel elements
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The angiosperm plant we see represents the ________ generation, and the flower produces ________.
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Correct Answer:
Gametophyte, Sporophytes
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Swimming sperm are produced in the ____ of the moss gametophyte stage.
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Correct Answer:
Antheridia
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Succulent plants that live in warm, arid region use mostly __________ pathway.
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Starch is produced by ________, and its major function is ________.
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Correct Answer:
Plants; energy storage
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Seed bearing plants are grouped into two clades, namely __________ and ____________.
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Correct Answer:
Both A & B
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Roses and lilies are _____.
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Correct Answer:
Angiosperms
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Reproduction of plants differs from reproduction of animals in that _____.
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Correct Answer:
Plants have a distinct, multicellular haploid phase
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Refer to the illustration of the leaf cross-section. the vein is made up of _________.
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Correct Answer:
Both a and b
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Prop roots are the modified aerial adventitious roots of corn that ________.
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Correct Answer:
Support tall, top-heavy plants
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Plants with specialized tissues that can transport fluids are _____.
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Plants maintain homeostasis by _____.
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Correct Answer:
All of the above
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Plants cannot grow without ____.
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Plants are used for _____.
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Correct Answer:
All of the above
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Phloem is made up of living cells. phloem takes sugars in the _____ to the roots.
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Most plant roots grow in the ____________________.
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Correct Answer:
A horizon
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Most bryophytes, such as mosses, differ from all other plants in that they __________.
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Correct Answer:
Lack vascular tissue
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In the symbiotic relationship that produces lichens, a(n) _____ feeds the fungus.
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In pines, an embryo is a(n) _____.
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Correct Answer:
Immature sporophyte
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In ferns, the _____ generation is physically larger.
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Correct Answer:
Diploid sporophyte
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In c4 and cam plants carbon dioxide is fixed in the _____ of mesophyll cells.
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Correct Answer:
Cytoplasm
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In angiosperms, pollen grains develop in the ________ and are trapped by the ________.
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Correct Answer:
Anther... Stigma
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If you walk through an area with mosses and ferns, you are seeing ________.
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Correct Answer:
Both sporophyte and gametophyte generations
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Gametes in plants are produced by ___________________ during the ______________ generation.
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Correct Answer:
Special organs; gametophyte
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During _____, pollen moves from the stamen to the pistil.
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Correct Answer:
Both a and b
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As the sun moves throughout the day, some plants can follow it. this is called _____.
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Correct Answer:
Solar tracking
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All the species classified under the plantae kingdom are _____.
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Correct Answer:
All of the above
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__________ is a behavioral, directional response to a stimulus.
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Fungi release digestive enzymes into their _____.
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Correct Answer:
Surroundings
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Fungi produce _____ spores.
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Solar tracking, or _____, is a plant's growth toward light.
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Correct Answer:
Phototropism
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Orchid bees are to brazil nut trees as ________ are to pine trees.
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Nearly all food plants are as ______.
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Correct Answer:
Angiosperms
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The edible portion of a(n) ______ is a ripened ovary.
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Correct Answer:
Cucumber.
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Agricultural lands frequently require nutrient augmentation because _____.
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Correct Answer:
The nutrients that become the biomass of plants are not cycled back to the soil on lands where they are harvested
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The ancestors of land plants were probably ________ that lived in ________.
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Correct Answer:
Green algae similar to charophytes; coastal marshes or lake fringes
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Phototropism is a _____ tropism involving _____.
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Correct Answer:
Positive; sunlight
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In alternation of generations, a haploid gametophyte goes through mitosis to form a ____ gamete.
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In the moss life cycle _____ cells within a sporangium undergo _____ to produce _____ spores.
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Correct Answer:
Diploid ... meiosis ... haploid
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In flowering plants, the main visible plant body is the _____.
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Correct Answer:
Diploid sporophyte
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Compared to most animals, the growth of most plant structure is best described as _____.
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Correct Answer:
Indeterminate
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Vascular plants consist of about _____ of all living plant species.
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The closest algal relatives of land plants are _____.
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Correct Answer:
Charophytes
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The breakdown of chlorophyll reveals the _____ pigments of a leaf.
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Correct Answer:
Carotenoid
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Pollination of angiosperms is mediated by __________.
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Correct Answer:
All of the above
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Intestinal gas is evidence of active ________ in one's digestive tract.
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Correct Answer:
Methanogens
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Fungi contact and absorb food through the ________, a branching network of ________.
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Correct Answer:
Hyphae; mycelia
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Chemicals, secreted by soil fungi, which inhibit the growth of bacteria, are known as _____.
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At some time during their life cycles, bryophytes make _____.
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Correct Answer:
Sporangia
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A specialized fleshy stem used for food storage and reproduction is a _____.
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A fleshy, enlarged end of a rhizome or stolon is called a _____.
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A _____ is a horizontal stem that can divide and grow in several directions at once.
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Trichomes or leaf hairs are derived from ________ in plants.
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Correct Answer:
Dermal tissues
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