Kingdom and PlantsBacteria, Protist,

FungiPlant

CharacteristicsPlant Tissues Plant

ReproductionPlant Responses

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The Microorganisms called prokaryotes are

a. Bacteria and viruses

b. Single-celled organisms that lack a nucleus

c. Heterotrophs that contain no DNA

Two Groups of prokaryotes that make their own good from inorganic

molecules are

a. Hetertrophs and autotrophs

b. Obligate aerobes and obligate anaerobes

c. Photoautotroph and chemoautotroph

Bacteria that break down the nutrients in dead matter into simpler substances

that are taken up by plant roots are called

a. photoautotroph

b. decomposers

c. flagella

Antibiotics are compounds that can

a. Disrupt a virus’s normal equilibrium

b. Prompt the body to produce immunity

c. Block the growth and reproduction of bacteria

If you wash your hands properly, ordinary soaps do a good job of

removing

a. bacteria

b. viruses

c. viroids

A portist is any organism that is not a plant, an animal, a fungus, or a(n)

a. Eukaryoteb. Virusesc. Viroids

In an amoeba, a small cavity within the cytoplasm that stores food is

called a

a. Gullet b. Pseudopod c. Food vacuole

An algal bloom is

a. The clouding of water by sewageb. An enormous mass of algaec. A symbiotic relationship between

algae and coral

An example of multi-cellular green alga is

a. Ulvab. Chlamydomonas c. Volvox

The switching back and forth between a diploid and haploid stage in a life cycle is called

a. Alternation of generationsb. Fusion of opposite mating

typesc. Sexual reproduction

Which of the following is NOT a characteristic of all plants?

a. Are eukaryotic

b. Have cell walls

c. Produce seeds

Without gas exchange, a plant would be unable to

a. Make food

b. Absorb sunlight

c. Make minerals

Living on land required that plants

a. Evolve photosynthetic pigments

b. Conserve water

c. Exchange gases

Which of the following structures has functions similar to that of roots?

a. Gemma

b. Rhizoid

c. Capsule

The most ancient surviving seed plants are the

a. Gymnosperms

b. Liverworts

c. Ferns

A plant is a

a. Unicellular eukaryote

b. Multicellular eukaryote

c. Unicellular prokaryote

Plants use the energy of sunlight to

a. Carry out photosynthesis

b. Exchange gases with the atmosphere

c. Carry out cellular respiration

Bryophytes need water to

a. Reproduce

b. Draw up water by osmosis

c. Undergo photosynthesis

What is the sperm-producing structure of a bryophyte?

a. Antheridium

b. Rhizoid

c. Gemma

Which of the following includes all the others?

a. Xylem

b. Vascular tissue

c. Phloem

Ground tissue is found in plant

a. Roots and stems only

b. Roots, stems, and leaves

c. Stems only

Which of the following are found mainly in monocots?

a. Taproots

b. Long, thick, primary roots

c. Extensive root systems

The vascular cylinder of a root consists of

a. Xylem only

b. Phloem only

c. Xylem and phloem

Root pressure

a. Is produced in the cortex of the root

b. Causes a plant’s roots to absorb water

c. Is produced in the vascular cylinder by active transport

Vascular bundles are

a. Surrounded by parenchyma in both monocot and dicot stems

b. Found only in dicot roots

c. Surround by pith in monocot stems

In dicot plants, secondary growth

a. Changes primary xylem and phloem to secondary xylem and phloem

b. Results from an increase in the primary xylem and phloem

c. Produces wood

Most of the photosynthetic activity in plants takes place in

the

a. Mesophyll

b. Stomata

c. Guard cells

When a plant moves sugars from its leaves to its stems, the

sink is the

a. leaves

b. roots

c. stems

A seed plant is anchored in the ground by its

a. stems

b. roots

c. leaves

Which of the following is the only tissue that produces new plant

cells?

a. Meristematic tissue

b. Phloem

c. Ground tissue

A pollen grain landing near an ovule produces a

a. Gametophyte

b. Pollen tube

c. Flower

The endosperm of a corn seed develops through the process of

a. Pollination

b. Fertilization

c. Double fertilization

Which of the following is NOT true of all fruits?

a. All fruits contain seeds

b. All fruits are sweet

c. All fruits help disperse seeds.

Seeds dispersed by animals typically are contained in

a. Fleshy, nutritious fruits

b. Cones

c. Buoyant structures

The horizontal stems of the strawberry plant shown in figure 24-2 are called

a. Scions

b. Stolons

c. Buds

What would be the best method of propagating most woody plants?

a. Using cuttings

b. Grafting or budding

c. Planting seeds

Corn, sugar beets, cauliflower, and cabbage were all developed by

a. Selective breeding

b. Germination

c. Pollination

Pollen grains are produced by

a. Male reproductive structures

b. Female reproductive structures

c. Ovules

In angiosperms, reproduction takes place in

a. Leaves

b. Flowers

c. Cones

A sticky secretion on the scales of seed cones trap

a. Sporophytes

b. Pollen cones

c. Pollen grains

What is the source of ethylene gas in a plant?

a. Leaf buds

b. Root hairs

c. Fruit tissues

Powerful synthetic auxins are sometimes used as

a. Fertilizers

b. Herbicides

c. Insecticides

What is the phenomenon that is causing the bean seedling to bed as

shown in figure 25-1?

a. Gravitropism

b. Phototropism

c. Rapid response

Gravitropism ensures that the plant in figure 25-1 will

a. Grow roots into the soil

b. Wrap tightly around a trellis

c. Grow toward a light source

Phytochrome is a pigment that is responsible for

a. Gravitropism

b. Photosynthesis

c. Photoperiodism

What hormones influence the shedding of leaves?

a. Auxin and ethylene

b. Cytokinin and ethylene

c. Gibberellin and auxin

Plants can respond to changing environmental conditions by the action of which substances?

a. Enzymes

b. Hormones

c. Target cells

Hormones that stimulate cell elongation and are produced in the rapidly growing region near the tip of the plant’s root or stem are

called

a. Auxins

b. Ethylene

c. Cytokinins

What type of hormones cause increased plant growth?

a. Auxins

b. Cytokinins

c. Gibberellins

The response of plants to environmental stimuli are called

a. Tropisms

b. Hormones

c. Receptors