LAB PRACTICAL QUIZ 1

Question 1

What are the benefits of houseplants?

Answer 1

• Improved air quality
• Stress reduction

Question 2

Factors to consider when choosing a house plant

Answer 2

• Light requirements
• Watering needs
• Space
• Pets
• Maintenance

Question 3

What are qualities of a good substrate or growing medium?

Answer 3

• Good drainage
• Aeration
• Moisture retention
• pH balance

Question 4

3 major components of “potting soil”

Answer 4

• Organic matter
• Inorganic materials
• Nutrients

Question 5

What light needs are common for house plants?

Answer 5

• Moderate or indirect light
• Bright or direct light
• Low light

Question 6

What happens if a plant receives too much light?

Answer 6

• Sun damaged
• Watering needs increase

Question 7

What happens if a plant receives too little light?

Answer 7

• Leaves yellow and die

Question 8

What are factors that can affect watering frequency?

Answer 8

• Plant size
• Type of pot
• Humidity
• Amount of light

Question 9

What happens when you over fertilize?

Answer 9

• Root damage
• Leaf burn
• Nutrients imbalance

Question 10

How do you “groom” a plant?

Answer 10

• Pinching & thinning
• Clean leaves from dust

Question 11

When should you re-pot a plant?

Answer 11

• Roots growing out under
• Rootbound

Question 12

What’re common propagation methods for houseplants?

Answer 12

• Cuttings
• Seed

Question 13

Common pests associated with house plants + how to get rid

Answer 13

• Aphids
• Spider mites
• Mealybugs
• Whiteflies

Wipe dust off leaves

Question 14

Cotyledon

Answer 14

Monocots: 1, small
Dicots: 2, large

Question 15

Flowers

Answer 15

Monocots: 3s
Dicots: 5s

Question 16

Venation (leaf vein)

Answer 16

Monocots: Parallel
Dicots: Branches

Question 17

Vascular organization

Answer 17

Monocots: Scattered
Dicots: Ring

Question 18

Secondary growth

Answer 18

Monocots: Lack
Dicots: Have

Question 19

Roots

Answer 19

Monocots: Fibrous
Dicots: Taproot

Question 20

4 parts of a complete flower

Answer 20

• Pistil
• Stamens
• Sepals
• Petals

Question 21

Incomplete flower

Answer 21

Do not have one or more…
- Sepals
- Petals
- Stamens
- Pistil

Question 22

Male flower parts

Answer 22

Stamen
Anther
Filament

Question 23

Female flower parts

Answer 23

Stigma
Style
Ovary

Question 24

Monoecious plant

Answer 24

Both male and female flowers occur on same plant

Corn

Question 25

Dioecious plant

Answer 25

Male and female flowers occur on separate plants Persimmon

Question 26

Fruit

Answer 26

- Seed-bearing structure in flowering plants that is formed from the ovary after flowering - Means by which flowering plants disseminate their seeds

Question 27

Seed

Answer 27

- Mature ovule that comprises an embryo

Question 28

Diff. parts of monocot seed

Answer 28

- Cotyledon: helps convert starches stored in the endosperm to usable form - Endosperm: food storage for seedling (starch) - Plumule: embryonic leaf - Radicle: embryonic root - Seed coat: protects seed

Question 29

Diff. parts of dicot seed

Answer 29

- Cotyledon: Provides food for germinating seedling - Plumule/Epicotyl : Embryonic leaf - Hypocotyl : Embryonic stem - Radicle: Embryonic root - Seed coat: protects seed

Question 30

4 basic types of fruits

Answer 30

- Simple (banana) - Aggregate (strawberries) - Multiple (pineapple) - Accessory (apples)

Question 31

Dehiscent fruits

Answer 31

Split open (beans)

Question 32

Indehiscent fruits

Answer 32

Do no split open (walnut)

Question 33

Carpal levels of fruit

Answer 33

Exocarp (can be eaten) Mesocarp (can be eaten) Endocarp Seeds Pericarp (can be eaten)

Question 34

Asexual propagation

Answer 34

New plants or offsprings that are genetically identical

Question 35

Clone

Answer 35

An organism or a group of genetically identical organisms derived from a single parent organism through asexual reproduction

Question 36

Advantages to asexual propagation

Answer 36

Maintains genetic uniformity of a plant

Question 37

What is the plant growth hormone used for promoting root initiation?

Answer 37

IBA

Question 38

6.What are the techniques for asexually propagating plants?

Answer 38

- Grafting/budding (joining plant parts) - Layering - Tissue culture - Cuttings

Question 39

What are the three tissue types used in asexual propagation?

Answer 39

- Dermal - Vascular - Ground tissue

Question 40

Vernalization

Answer 40

The cooling of seed during germination in order to accelerate flowering

Question 41

What temp conditions are needed?

Answer 41

34 - 45 degrees

Question 42

Graphical tracking

Answer 42

Helps growers forecast crop height, when they'll flower

Question 43

What are the specialized structures that allow the propagation of flowers like tulips or paper whites?

Answer 43

Bulb

Question 44

Steps of scientific method

Answer 44

Observation Question Hypothesis Experiment Result Conclusion