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Plant Science Worksheet

Total questions: 99

Worksheet time: 50mins

Name
Class
Date
1.

Which of the following weeds is poisonous to livestock, even in hay?

a)

Carrots

b)

Pigweed

c)

Potatoes

d)

Sudan Grass

2.

Which of the following is the term for water which flows naturally from the earth due to an overflowing aquifer?

a)

Spring

b)

Autumn

c)

Summer

d)

Winter

3.

Flooding can eliminate a plant's ability to utilize which of the following?

a)

Oxidation

b)

Transpiration

c)

Respiration

d)

Wind

4.

Which of the following is NOT a phase of mitosis?

a)

Interphase

b)

Prophase

c)

Metaphase

d)

Anaphase

5.

Which structure is the major site of photosynthesis in plants?

a)

Roots

b)

Flowers

c)

Leaves

d)

Seeds

6.

Which type of plant usually has the deepest root system?

a)

Perennial

b)

Biennial

c)

Spring

d)

Annual

7.

Which of the following is an example of an annual weed?

a)

Horseweed

b)

Goosegrass

c)

Crabgrass

d)

Nutsedge/nutgrass

8.

A postemergent herbicide affects only which of the following?

a)

A plant that is wilting due to lack of water

b)

A plant that is being harvested for food

c)

A plant that has been dormant for the winter

d)

A plant which is actively growing

9.

Which of the following is a pesticide which affects birds?

a)

Herbicides

b)

Pheromones

c)

Piscicides

d)

Avicides

10.

Which of the following is NOT utilized by hydroponics?

a)

Plants

b)

Snails

c)

Sunlight

d)

Soil

11.

Which of the following would NOT be ideal for hydroponic systems?

a)

Tomatoes

b)

Trees

c)

Lettuce

12.

Which of the following contains most of the genetic material in the cell?

a)

Nucleus

b)

Cytoplasm

c)

Mitochondria

d)

Endoplasmic Reticulum

13.

Which of the following eats holes through the leaves of plants?

a)

Mildews

b)

Raccoons

c)

Arthropoda

d)

Foliar nematodes

14.

Which of the following pesticides is least toxic to the environment?

a)

Acetone

b)

Pyrethroid

c)

Caterpillar

d)

Surfactant

15.

Label the stages of Complete Metamorphosis.

a)

Egg, Larva, Pupa, Adult

b)

Egg, Nymph, Adult, Pupa

c)

Seed, Larva, Pupa, Adult

d)

Egg, Caterpillar, Chrysalis, Butterfly

16.

Downy mildew thrives in which of the following environmental conditions?

a)

Hot, dry weather

b)

Cool, wet weather

c)

Warm, dry weather

d)

Warm weather

17.

Which of the following conditions does NOT cause the mosaic virus to occur?

a)

Turf grass

b)

Runoff water

c)

Weeds

d)

Fruit rot

18.

Which of the following is a chewing insect?

a)

Pupa

b)

Caterpillar

c)

Centipede

d)

Millipede

19.

Which of the following is an effective and environmentally sensitive approach to pest management which relies on a combination of common-sense practices?

a)

Intensive pest management

b)

Chemical control

c)

Integrated pest management

d)

Organic farming

20.

Which of the following pests causes damage by gnawing on the bark of trees and shrubs?

a)

Rabbits

b)

Fleas

c)

Bats

d)

Squirrels

21.

Water seeping into the ground surface is called which of the following?

a)

Evaporation

b)

Sublimation

c)

Infiltration

d)

Condensation

22.

Which of the following is the cause of widespread phosphorus deficiency problems?

a)

Drinking contaminated water

b)

Cold weather

c)

Wind

d)

High coh diet

23.

Which of the following is NOT a pathogen?

a)

Insects

b)

Squirrels

c)

Fungi

d)

Weeds

24.

Label the leaf edges.

a)

Label the leaf edges (the answer is not provided in the image, but the instruction is to label).

b)

Label the leaf veins.

c)

Label the leaf blade.

d)

Label the leaf stem.

25.

Insects are a part of which phylum?

a)

Nematoda

b)

Arthropoda

c)

Platyhelminthes

d)

Echinodermata

26.

Increased competition for water and sunlight among plants.

a)

Total elimination of native plant species in the area.

b)

Complete destruction of soil nutrients and erosion.

c)

Soil stabilization, habitat and feed for wildlife, addition of organic matter.

27.

Identify this pest which feeds on plant phloem and turns the leaves yellow.

a)

Pigweed

b)

Sawfly

c)

Pirate Bug

d)

Whitefly

28.

Which of the following is a macronutrient?

a)

Magnesium

b)

Potassium

c)

Phosphorus

d)

Calcium

29.

Which of the following types of fertilizer are commonly incorporated into irrigation systems?

a)

Spring

b)

Soil

c)

Fluid (aka liquid)

d)

Biological

30.

Vertebrates are distinguished by the possession of which of the following?

a)

Backbone or spinal column

b)

Gills

c)

Webbed feet

d)

Jointed exoskeleton

31.

Which watershed impact is responsible for receding land and altering stream flows?

a)

Desertification

b)

Agriculture

c)

Urbanization

d)

Deforestation

32.

Which of the following is NOT one of Mendel's Principles of Inheritance?

a)

Principle of Heterosis

b)

Principle of Independent Assortment

c)

Land Use

d)

Principle of Dominance

33.

Which of the following is NOT an external factor required for germination?

a)

Carbon dioxide levels

b)

Blood glucose levels

c)

Oxygen levels

d)

Nitrogen levels

34.

Which of the following measures is used to calculate the volume of surface water bodies?

a)

Acre feet

b)

Acre yards

c)

Bermuda grass

d)

Acre inches

35.

Which plant hormone is responsible for phototropism?

a)

Cytokinin

b)

Auxins

c)

Cytokinins

d)

Abscisic Acid

36.

Loam is a mixture of which of the following?

a)

Topsoil, bedrock, and foundation material

b)

Sand, silt and clay

c)

Clay, water and air

d)

Sand, silt and soot

37.

Label the external structures of the insect below. (1) _______ (2) _______ (3) _______ (4) _______

a)

(1) Femur (2) Prothorax (3) Abdomen (4) Tarsus

b)

(1) Antenna (2) Mesothorax (3) Head (4) Tibia

c)

(1) Wing (2) Metathorax (3) Thorax (4) Claw

d)

(1) Eye (2) Pronotum (3) Leg (4) Coxa

38.

Which type of disease is commonly found in damp, moist areas?

a)

Bacterial

b)

Parasites

c)

Mildews

d)

Smuts

39.

In which temperature range do cool season crops grow best?

a)

60F-65F

b)

50F-55F

c)

70F-75F

d)

80F-85F

40.

Which of the following is an example of a perennial weed?

a)

Ryegrass

b)

Kentucky bluegrass

c)

Bermuda grass

d)

Bahiagrass

41.

Which of the following is the female part of the plant?

a)

Caterpillar

b)

Sepal

c)

Ovary

d)

Pistil

42.

Mulches, crop rotation, planting density and proper irrigation are known as which of the following controls?

a)

Fungal

b)

Mechanical

c)

Biological

d)

Cognitive

43.

In alternate leaf patterns, how many leaves are produced at each node?

a)

Five

b)

One

c)

Three

d)

Two

44.

Which type of disease is the easiest to treat?

a)

Viral

b)

Helminthic

c)

Fungal

d)

Parasitic

45.

Molluscicides help to control which of the following?

a)

Fish

b)

Humans

c)

Snails

d)

Mosquitoes

46.

Which of the following is a sucking insect?

a)

Beetles

b)

Mites

c)

Squirrels

d)

Aphids

47.

Which pest control technique uses beneficial insects to control pests?

a)

Chemical

b)

Mechanical

c)

Cognitive

d)

Biological

48.

Which of the following is NOT a component of carbohydrates?

a)

Amino Acids

b)

Hydrogen

c)

Sugars

d)

Glucose

49.

Which of the following is a product of protein metabolism?

a)

Amino acids

b)

Hydrogen

c)

Sugars

d)

Glucose

50.

Which disease affects seeds before, during and after germination?

a)

Bermuda grass

b)

Amino acids

c)

Pyrethroid

d)

Damping off

51.

Which plant can be affected by boll rot?

a)

Cotton

b)

Potatoes

c)

Rice

d)

Wheat

52.

Which of the following is NOT utilized in water absorption in plants?

a)

Auxins

b)

Chlorophyll

c)

Mycorrhizae

d)

Caterpillar

53.

Which of the following is NOT produced by biennial weeds during the first year?

a)

Flowers

b)

Squirrels

c)

Seeds

d)

Fruit

54.

Label the parts of the flower using the word bank:

a)

Anther, Filament, Stigma, Style

b)

Petal, Sepal, Ovary, Pistil

c)

Root, Stem, Leaf, Petal

d)

Stamen, Carpel, Ovule, Sepal

55.

Which part of the plant stem transports water from the roots to the plant?

a)

Cytoplasm

b)

Xylem

c)

Cuticle

d)

Phloem

56.

Which of the following is NOT an example of a cultural control used in pest management?

a)

Fertilizer use

b)

Crop rotation

c)

Copper fertilisation rate

d)

Planting density

57.

Which of the following is NOT a characteristic of a vacuole?

a)

Functions as a barrier to protect the cell.

b)

Takes up most of the cell

c)

Contains chlorophyll for photosynthesis.

d)

Is involved in protein synthesis.

58.

Gray mold (botrytis) is also referred to as which of the following?

a)

Fruit rot

b)

Root rot

c)

Crabgrass

d)

Leaf lesions

59.

What light colors, in combination, trigger flowering and encourage growth in plants?

a)

Red, yellow and green

b)

Red and blue

c)

Green, blue and red

d)

Blue and violet

60.

Maintaining proper levels of vegetation is an example of which type of conservation?

a)

Industrial water conservation

b)

Indoor conservation

c)

Watershed conservation

61.

Identify this weed which has the scientific name Helianthus annuus and is a summer annual.

a)

Crabgrass

b)

Bermuda grass

c)

Bull Thistle

d)

Common Sunflower

62.

Which of the following are required in relatively large proportions for the growth and development of plants?

a)

Micronutrients

b)

Macronutrients

c)

Carbohydrates

d)

Amino Acids

63.

Which of the following can NOT spread viruses?

a)

Bees

b)

Birds

c)

Squirrels

d)

Wind

64.

Which of the following is NOT a treatment for fungal diseases?

a)

Burn surrounding vegetation

b)

Cool, wet weather

c)

Planting density

d)

Reduce watering

65.

Which of the following is NOT a vegetable crop?

a)

Potatoes

b)

Carrots

c)

Corn

d)

Strawberries

66.

Which type of root system is found in grasses?

a)

Adventitious root system

b)

Ground tissue system

c)

Tap root system

d)

Fibrous root system

67.

In a 50-pound bag of 10-0-24 fertilizer, how many pounds of nitrogen are present?

a)

0

b)

10

c)

24

d)

5

68.

Which of the following are the two main forms of water sources?

a)

Wells and aquifers

b)

Surface and ground

c)

Watershed and rivers

d)

Osmosis and diffusion

69.

Which cell structure contains the cytoskeleton, cytosol, and organelles?

a)

Cytoplasm

b)

Mitochondria

c)

Mitochondrial Matrix

d)

Nucleus

70.

Which of the following genetic engineering methods is also known as gene insertion?

a)

Transcription

b)

Translation

c)

Replication

d)

Transformation

71.

Identify this pest which commonly causes yellow and brown spots to appear on the top of leaves and severely injured leaves to drop from the plant.

a)

Crabgrass

b)

Whitefly

c)

Pirate Bug

d)

Leafhopper

72.

Which part of the plant cell surrounds the cell as a thin layer of lipids and proteins?

a)

Cytoplasm

b)

Cell membrane

c)

Capsule

d)

Cytoskeleton

73.

Which plant part connects the leaf blade to the stem?

a)

Internode

b)

Rachis

c)

Stipule

d)

Petiole

74.

Which part of the plant cell provides the structural support and protection?

a)

Nucleus

b)

Capsule

c)

Cytoplasm

d)

Cell wall

75.

Which of the following is NOT a row crop?

a)

fruit rot

b)

turf grass

c)

Tomatoes

d)

potatoes

76.

Which of the following is the most general taxon used in classifying organisms?

a)

Kingdom

b)

Class

c)

Genus

d)

Family

77.

In a 100-pound bag of 8-0-28, how many pounds of phosphate are present?

a)

0

b)

8

c)

28

d)

4

78.

Which of the following is classified as any unwanted or undesirable plant which competes with desirable plants for nutrients, water and sunlight?

a)

Weed

b)

Flower

c)

Fern

d)

Bird

79.

Which of the following measures is used to calculate the rainfall volume of a watershed?

a)

Acre yards

b)

Turf grass

c)

Acre feet

d)

Acre inches

80.

How many countries globally produce more corn than the United States?

a)

4

b)

0

c)

1

d)

2

81.

Which type of cell is most likely to remain totipotent?

a)

Sclerenchyma cells

b)

Meristem cells

c)

Parenchyma cells

d)

Guard cells

82.

Which of the following is the process of converting light energy to chemical energy and storing it in the bonds of sugar?

a)

Fermentation

b)

Transpiration

c)

Respiration

d)

Photosynthesis

83.

Which of the following is the combination of two different copies of an allele for a gene?

a)

Heterozygous genotype

b)

Homozygous genotype

c)

Homozygous dominant genotype

84.

Label the life cycle of Fungi.

a)

Spore → Germination → Mycelium → Fruiting body → Spore

b)

Seed → Germination → Plant → Flower → Seed

c)

Egg → Larva → Pupa → Adult → Egg

d)

Spore → Seedling → Tree → Fruit → Spore

85.

Label the mouthparts of chewing insects. Identify the parts labeled (1), (2), (3), and (4) in the diagram below:

a)

(1) Labrum, (2) Antenna, (3) Mandible, (4) Compound Eye

b)

(1) Labrum, (2) Maxilla, (3) Mandible, (4) Labium

c)

(1) Labium, (2) Antenna, (3) Maxilla, (4) Compound Eye

d)

(1) Mandible, (2) Labrum, (3) Antenna, (4) Maxilla

86.

Label leaf venation patterns.

a)

Parallel and reticulate venation

b)

Alternate and opposite venation

c)

Simple and compound venation

d)

Pinnate and palmate venation

87.

Which of the following is NOT a component of nucleotides?

a)

Histone proteins

b)

Nitrogen levels

c)

Rna

d)

Cell membrane

88.

Label the processes of the photosynthesis cycle. Identify the processes labeled (1), (2), (3), and (4) in the diagram below:

a)

(1) Solar energy, (2) Release of oxygen, (3) Absorption and water & Mineral, (4) Carbon dioxide absorption

b)

(1) Carbon dioxide absorption, (2) Solar energy, (3) Release of oxygen, (4) Absorption and water & Mineral

c)

(1) Release of oxygen, (2) Absorption and water & Mineral, (3) Carbon dioxide absorption, (4) Solar energy

d)

(1) Absorption and water & Mineral, (2) Carbon dioxide absorption, (3) Solar energy, (4) Release of oxygen

89.

Label the stages of Incomplete Metamorphosis.

a)

Egg, Nymph, Adult

b)

Egg, Larva, Pupa, Adult

c)

Seed, Sprout, Plant, Flower

d)

Egg, Caterpillar, Butterfly

90.

Which of the following is NOT considered an organic molecule?

a)

Carbon Dioxide

b)

Nadph

c)

Chlorophyll

d)

Atp

91.

Which of the following factors does NOT affect average annual rainfall?

a)

Cold weather

b)

Land use

c)

Wind

d)

Climate

92.

Which of the following is a lake created by placing a dam on a river?

a)

Portal Of Entry

b)

Exchange Pool

c)

Spring

d)

Reservoir

93.

Which of the following plants does well in below freezing temperatures for short periods of time?

a)

Bananas

b)

Carrots

c)

Tomatoes

d)

Sweet Potatoes

94.

Match the following water properties with the correct definition.

a)

a-i: Surface tension, b-i: Capillary action

b)

a-i: Capillary action, b-i: Surface tension

c)

a-i: Adhesion, b-i: Cohesion

d)

a-i: Cohesion, b-i: Adhesion

95.

Complete the mitosis diagram.

a)

Add the missing phase: Metaphase.

b)

Add the missing phase: Cytokinesis.

c)

Add the missing phase: Interphase.

d)

Add the missing phase: Telophase.

96.

Refer to the cell cycle diagram. Match the following stages to the correct labels in the diagram: 1. Prometaphase 2. Anaphase 3. Cytokinesis (1) ______ (2) ______ (3) ______

a)

(1) Prometaphase (2) Anaphase (3) Cytokinesis

b)

(1) Anaphase (2) Prometaphase (3) Cytokinesis

c)

(1) Cytokinesis (2) Prometaphase (3) Anaphase

d)

(1) Prometaphase (2) Cytokinesis (3) Anaphase

97.

Which of the following is NOT included on pesticide labeling?

a)

Usage guidelines

b)

Possible hazards

c)

Purchasing date

d)

Active chemical ingredients

98.

Label the leaf vein patterns shown in the diagram below:

a)

(1) Pinnate (2) Palmate (3) Parallel

b)

(1) Reticulate (2) Dichotomous (3) Spiral

c)

(1) Whorled (2) Opposite (3) Alternate

d)

(1) Compound (2) Simple (3) Lobed

99.

Match the following terms with the correct definition: 1. Area of land between two high points where all water drains 2. Subterranean area of saturated soil and rock 3. Lake created by placing a dam on a river

a)

1. watershed 2. aquifer 3. Reservoir

b)

1. delta 2. geyser 3. lagoon

c)

1. plateau 2. spring 3. pond

d)

1. canyon 2. glacier 3. bay

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