1x 2x 3x 4x 5x importance of plants evolution & classification structure & function plant...

Post on 04-Jan-2016

226 Views

Category:

Documents

2 Downloads

Preview:

Click to see full reader

TRANSCRIPT

1x

2x

3x

4x

5x

Importance of

Plants

Evolution & Classificati

on

Structure & Function

Plant Reproduction

Plant Response

s

1x

2x

3x

4x

5x

1x

2x

3x

4x

5x

1x

2x

3x

4x

5x

1x

2x

3x

4x

5x

By global statistics, over half of the world’s

cultivated farms are used to harvest…

(a) Cereals(b) Root Crops(c) Legumes(d) Vegetables

Legumes are a protein-rich class of plants

that can be cultivated without the supplement of which macronutrient?

(a) Potassium(b) Phosphorous (c) Calcium(d) Nitrogen

Of the following, which is botanically

classified as a fruit but commonly referred to

as a vegetable?

(a) Broccoli (b) Cabbage(c) Green Beans(d) Asparagus

Which two cereal grains are cultivated in the greatest quantity on a

global scale?

(a) Corn and Wheat(b) Rice and Wheat(c) Sorghum and Corn(d) Rice and Barley

Soybean and clover plants are ecologically important for the soil

because they are…

(a) Photosynthetic producers(b) Able to harbor N-fixing bacteria(c) Chemosynthetic producers(d) Hold the soil back from erosion

Maple trees, apple trees, orchids, and palm trees are ALL examples of…

(a) Gymnosperms(b) Angiosperms(c) Bryophytes(d) Conifers

Nonvascular plants are a class of primitive plants that are distinguished by

their…

(a) Absence of xylem and phloem(b) Presence of rhizomes(c) Absence of cuticle(d) Presence of spores

In the life cycle of a fern,

(a) Archegonia and antheridia are made on the same gametophyte

(b) Antheridia make egg cells and archegonia make sperm cells

(c) Megaspores and microspores are both made(d) Pollen grains transport nonmotile sperm cells to an egg cell

Which of the following is a characteristic of conifers

BUT not of mosses and ferns?

(a) Dominant sporophyte(b) Antheridia and Archegonia(c) Nonmotile sperm cells(d) Homospory

A dominant gametophyte, homospory, archegonia and antheridia, and flagellated sperm are all characteristics

of the life cycle of…

(a) Mosses(b) Ferns(c) Conifers(d) Flowering plants

Water is transported up from the roots out through

the leaves by…

(a) Expiration(b) Transpiration(c) Primary Growth(d) Absorption

Guard cells lining the stomata in the bottom side

of a leaf of a plant periodically close to

prevent loss of…(a) Oxygen(b) Water vapor(c) Carbon dioxide(d) Chlorphyll

During fertilization in angiosperms, one sperm

fuses with an egg to form a zygote, and a second

sperm fuses with two polar nuclei to form…

(a) A single polar nucleus(b) An endosperm (c) A second zygote(d) An ovum

Each of the following characteristics can be used to differentiate monocots from dicots

EXCEPT for…(a) Number of flower petals(b) Presence of vascular tissue(c) Venation pattern on leaf(d) Arrangement of vascular bundles

The tree rings visible to the naked eye in a cross section of a mature woody

stem are composed of…

(a) Primary xylem(b) Secondary xylem(c) Primary phloem(d) Secondary phloem

Large, showy flowers tend to be ____- pollinated,

while small, drab flowers tend to be ____-

pollinated.(a) Wind; Animal(b) Cross; Self(c) Animal; Wind(d) Mammal; Insect

In monocot seeds, food is stored in the ____, while

in dicot seeds, it is stored in the ____.

(a) Plumule; Seed Coat(b) Cotyledon; Endosperm(c) Endosperm; Cotyledon(d) SeedCoat; Plumule

The type of “dual” life cycle most plants exhibit

is known as…

(a) Alternation of Generations(b) Parthenogenesis(c) Budding(d) Binary Fission

(a) Spores-Diploid(b) Gametophyte-Haploid(c) Zygote-Diploid (d) Gametes-Haploid

Which of the following pairs of reproductive terms is incorrectly

matched?

In an angiosperm, this is the structure that

develops into a fruit following successful

fertilization.(a) Pistil(b) Ovules(c) Anther(d) Ovary

The dependence of flowering on the duration of light and dark periods

is classified under… (a) Gravitropism(b) Thigmoperiodism(c) Phototropism(d) Photoperiodism

A tree growing on the top of a mountain is exposed to high winds from the

north. The trunk of the tree becomes thicker on

the side facing the wind.(a) Phototropism(b) Thigmotropism(c) Gravitropism(d) Photoperiodism

In many plants, the branches near the base are longer and more numerous

than the branches near the shoot tip. This is known

as… (a) Chemotropism(b) Nyctinasty(c) Apical Dominance(d) Thigmonasty

The stem and leaves of a plant grow up and away

from the soil.

(a) Negative gravitropism(b) Positivie gravitropism(c) Negative phototropism(d) Positive phototropism

Vernalization is an angiosperm phenomenon that requires a flowering plant’s

exposure to…

(a) A critical night length to induce flowering(b) A critical night length to prevent flowering(c) Cold temperatures to induce flowering(d) Cold temperatures to prevent flowering

top related