1. LET’S REVIEW Unit B- Plant Science Review

2. Question: Tissue culture may be used for: ? Sexual reproduction. ? Cloning. ? Disinfecting. ? Sterilization. Answer: Cloning

3. Question: Grafting is: ? A method by which two plants are propagated. ? A type of sexual propagation. ? A method of joining two different plants. ? A type of hybridization Answer: A method of joining two different plants.

4. Question: The propagation method where a plant is separated into smaller parts is: ? Division. ? Grafting. ? Tip layering. ? Air layering. Answer: Division

5. Question: Which career supplies flowering plants to a florist? ? Floral designer ? Forest Ranger ? Greenhouse manager ? Landscape architect Answer: Greenhouse manager

6. Question: Landscape architects are a part of the horticulture industry because they: ? Design landscapes ? Plant landscapes ? Shoe horses ? Treat animals for disease Answer: Design landscapes

7. Question: Which career relates to plant science? ? Farrier ? Greenskeeper ? Logging foreman ? Veternarian Answer: Greenskeeper

8. Question: A MAJOR reason for the manipulation of genes using recombinant DNA technology is to: ? Eradicate plant and animal species ? Improve plant and animal performance ? Increase the use of pesticides in agriculture ? Monitor the affects of inbreeding Answer: Improve plant and animal performance

9. Question: Propagation is defined as: ? The only way to propagate some species and cultivars. ? The process of increasing the number of a species. ? The union of an egg and sperm. ? A cheaper method of propagation than with seeds. Answer: The process of increasing the number of a species.

10. Question: By matching DNA scientist can: ? Avoid the use genetic engineering ? Create a super specimen ? Identify parents or offspring ? Eliminate the use of scientific methods Answer: Identify parents of offspring

11. Question: Recombinant DNA technology is also known as: ? Bovine somatotropin ? Gene splicing ? Porcine somatotropin ? X-Gal. Answer: Gene splicing

12. Question: The transmission of characteristics from an organism to its offspring through genes in reproductive cells is known as: ? Progeny ? Traits ? Heredity ? Genetics Answer: Heredity

13. Question: The FIRST step in the scientific method of problem solving is to: ? Collect data ? Draw conclusions ? Identify the problem ? Prepare a written report Answer: Identify the problem

14. Question: The BEST tool to use when shaping shrubbery into a continuous row for screening is the: ? Chainsaw ? Hedge shears ? Lopping shears ? Pruning shears Answer: Hedge shears

15. Question: The BEST tool to use when pruning small limbs to shape shrubbery is the: ? Floral scissors ? Pole pruner ? Pruning saw ? Pruning shears Answer: Pruning shears

16. Question: The BEST tool to use when preparing a plant to be joined to another plant asexually is/are: ? Lopping shears ? A grafting tool ? A tube cutter ? Pruning shears Answer: A grafting tool

17. Question: What is the BEST tool to cut large branches when pruning shrubs that are hard to reach? ? Bush axe ? Lopping shears ? Hedge shears ? Chainsaw Answer: Lopping shears

18. Question: What form must most nutrients become before they can be absorbed by a plant? ? Air ? Gas ? Liquid ? Solid Answer: Liquid

19. Question: Sexual reproduction in plants is the propagation of plants by: ? Flowers ? Roots ? Seeds ? Stems Answer: Seeds

20. Question: What is applied to lower the pH value of soil? ? Lime ? Sulfur ? Fertilizer ? Sand Answer: Sulfur

21. Question: The purpose of petals in flowers is to: ? Attract insects for pollination ? Support the stem ? Store food for young seeds ? Hide the plant from animals Answer: Attract insects for pollination

22. Question: The purpose of a seed coat is to: ? Store food ? Store genetic material ? Protect the seed ? Filter light Answer: Protect the seed

23. Question: Jan discovered that plants requiring high light intensity can not be grown well under greenhouse tables because: ? Low light intensity hinders food making process of photosynthesis ? High light levels damage foliage and cause leaf burn ? Plants get too much water from dripping plants ? Plants root in the ground instead of in their pots Answer: Low light intensity hinders food making process of photosynthesis.

24. Question: Lime raises the soil pH level so that the soil becomes more: ? Acidic ? Alkaline ? Eroded ? Porous Answer: Alkaline

25. Question: The primary function of the leaf is: ? To support other plant structures ? To produce flowers ? To produce fruit ? To manufacture food for the plant Answer: To manufacture food for the plant

26. Question: What type of fertilizer is animal manure? ? Complete ? Inorganic ? Lime ? Organic Answer: Organic

27. Question: The primary function of the stem is: ? To produce flowers ? To produce fruit ? To anchor the plant ? To support other plant structures Answer: To support other plant structures.

28. Question: Which plant growing media is a mineral mica-type material? ? Peat moss ? Perlite ? Soil ? Vermiculite Answer: Vermiculite

29. Question: The three primary nutrients supplied in a complete fertilizer are: ? Carbon, hydrogen, and oxygen ? Nitrogen, phosphorus and potassium ? Calcium, magnesium and sulfur ? Carbon, nitrogen, and sulfur Answer: Nitrogen, phosphorus and potassium

30. Question: The primary function of the root is to: ? Make sure that the plant will grow. ? Anchor the plant and supply water and nutrients ? Ensure that the plant can be propagated ? Hold up the stem of the plant and provide propagation Answer: Anchor the plant and supply water and nutrients

31. Question: Foliar application of fertilizer is applied by: ? Injecting the fertilizer in the soil below the plant ? Placing the fertilizer in a band on either side of the row ? Sprinkling the fertilizer on the ground beside the plant ? Spraying the fertilizer on the leaves of the plant Answer: Spraying the fertilizer on the leaves of the plant.

32. Question: The three parts of a seed are: ? Root, stem and flower ? Root, seed coat and endosperm ? An embryo, cotyledon, and new plant ? Seed coat, endosperm and embryo Answer: Seed coat, endosperm, and embryo

33. Question: Propagation is defined as: ? The union of an egg and sperm ? The process of increasing the number of species ? A cheaper method of propagation than with seeds ? The only way to propagate some species and cultivars Answer: The process of increasing the number of a species

34. Question: The rate at which photosynthesis is carried out depends on the amount of: ? Nitrogen, phosphorus and potassium in the water ? Oxygen in the atmosphere ? Respiration carried out in the daylight hours. ? Light intensity, temperature, and carbon dioxide Answer: Light intensity, temperature, and carbon dioxide

35. Question: The major types of root systems are: ? Cell divisdion ? Cuttings and root hairs ? Fibrous and root cap ? Fibrous and tap root. Answer: Fibrous and tap root

36. Question: Soil pH affects the availability of: ? Nutrients in the soil ? The structure of the soil ? The land class of the soil ? Microbes in the soil Answer: Nutrients in the soil

37. Question: A procedure of fertilizer application used on row crops where the fertilizer is placed in bands about 8 inches from the row is known as: ? Side- dressing ? Top- dressing ? Broadcasting ? Foliar application Answer: Side- dressing

38. Question: Which plant growing media is a volcanic ash material? ? Peat moss ? Perlite ? Soil ? Vermiculite Answer: Perlite

39. Question: Coded material in a cell that determines what the cell and its successive cells will become is known as: ? RNA ? DNA ? Chromosomes ? Thymine Answer: DNA

40. Question: DNA is an acronym for: ? Deoxyribonucleic Acid ? Dibonucleic Acid ? Dynamite Alert ? Dioxynucleic Acid Answer: Deoxyribonucleic Acid

41. Question: When genetic information is moved from one cell to another to change the characteristics of the cell, the procedure is known as genetic: ? Engineering ? Division ? Mating ? Multiplication Answer: Engineering

42. Question: In agriscience as well as other sciences, the method used to solve a problem is called the: ? Educated guess method ? Most popular decision technique ? Process of elimination ? Scientific method Answer: Scientific method

43. Question: Genetics is known as: ? The biology of heredity ? The study of plant biology ? Biochemistry ? Biotechnology Answer: The biology of heredity.

44. Question: Which is an application of biotechnology in agriscience? ? Genetic engineering ? Planting seed ? Stem cuttings ? Selective breeding Answer: Genetic engineering

45. Question: One of the first commercial products created by genetic engineering was: ? Artificial sweetener ? Buttermilk ? Insulin ? Synthetic oil Answer: Insulin

46. Question: What connects the pairs of strands that make up the double helix of DNA? ? Bases ? Starches ? Sugars ? Tar Answer: Bases

47. Question: DNA is in the shape of a: ? Single helix ? Single circle ? Double circle ? Double helix Answer: Double helix

48. Question: The matching of genes to traits is called: ? Matching ? Mapping ? Meshing ? Combining Answer: Mapping

49. Question: Where is DNA located in the cell? ? Cell wall ? Cytoplasm ? Vacuole ? Nucleus Answer: Nucleus

50. Question: Genetically modified organisms that are safety tested in laboratories and greenhouses before they are tested outdoors are also monitored by: ? Chemical salespeople ? County government ? Nursery operators ? State and federal government Answer: State and federal governement