Presentation is loading. Please wait.

Presentation is loading. Please wait.

1x 2x 3x 4x 5x Importance of Plants Evolution & Classification Structure & Function Plant Reproduction Plant Responses 1x 2x 3x 4x 5x 1x 2x 3x 4x 5x 1x.

Similar presentations


Presentation on theme: "1x 2x 3x 4x 5x Importance of Plants Evolution & Classification Structure & Function Plant Reproduction Plant Responses 1x 2x 3x 4x 5x 1x 2x 3x 4x 5x 1x."— Presentation transcript:

1

2 1x 2x 3x 4x 5x Importance of Plants Evolution & Classification Structure & Function Plant Reproduction Plant Responses 1x 2x 3x 4x 5x 1x 2x 3x 4x 5x 1x 2x 3x 4x 5x 1x 2x 3x 4x 5x

3 By global statistics, over half of the world’s cultivated farms are used to harvest… (a) Cereals (b) Root Crops (c) Legumes (d) Vegetables

4 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

5 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

6 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

7 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

8 Maple trees, apple trees, orchids, and palm trees are ALL examples of… (a) Gymnosperms (b) Angiosperms (c) Bryophytes (d) Conifers

9 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

10 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

11 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

12 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

13 Water is transported up from the roots out through the leaves by… (a) Expiration (b) Transpiration (c) Primary Growth (d) Absorption

14 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

15 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

16 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

17 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

18 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

19 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

20 The type of “dual” life cycle most plants exhibit is known as… (a) Alternation of Generations (b) Parthenogenesis (c) Budding (d) Binary Fission

21 (a) Spores-Diploid (b) Gametophyte-Haploid (c) Zygote-Diploid (d) Gametes-Haploid Which of the following pairs of reproductive terms is incorrectly matched?

22 In an angiosperm, this is the structure that develops into a fruit following successful fertilization. (a) Pistil (b) Ovules (c) Anther (d) Ovary

23 The dependence of flowering on the duration of light and dark periods is classified under… (a) Gravitropism (b) Thigmoperiodism (c) Phototropism (d) Photoperiodism

24 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

25 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

26 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

27 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


Download ppt "1x 2x 3x 4x 5x Importance of Plants Evolution & Classification Structure & Function Plant Reproduction Plant Responses 1x 2x 3x 4x 5x 1x 2x 3x 4x 5x 1x."

Similar presentations


Ads by Google