Chapters 8-10

Question 1

5 factors that affect interior plant growth

Answer 1

1. light
2. temperature
3. water
4. humidity
5. fertilization

Question 2

define foot-candle

Answer 2

is the unit most often used to measure indoor light.

Question 3

what are some foliage and flowering house plants that can be easily propagated from seed

Answer 3

tropical plants

Question 4

what common group of plants is propagated from spores and how are these spore structures called

Answer 4

ferns, sori

Question 5

key identifying characteristics of insects

Answer 5

3 body regions, 3 pairs of legs, 1 pair of antennae, and 1 or 2 pairs of wings

Question 6

what are an insects three body regions

Answer 6

head, thorax, and abdomen

Question 7

three different types of insect mouthparts

Answer 7

chewing, sucking, and lapping

Question 8

what does metamorphosis mean?

what are the two types of insect metamorphosis?

Answer 8

a change in form

simple and complete

Question 9

define pupa

Answer 9

the transformation stage between larva and adult of the more advanced insects

Question 10

the two types of plant diseases

Answer 10

non-pathogenic and pathogenic

Question 11

what are some environmental factors that contribute to plant deseases

Answer 11

too low or too high temperature, air pollution, and hardpans

Question 12

three factors required for a pathogenic disease

Answer 12

a susceptible host

a parasitic organism

environmental condition

Question 13

are any fungi beneficial

Answer 13

yes

Question 14

reproductive process of fungi

Answer 14

they reproduce asexually by forming spores, sclerotia, and mycelial fragments

Question 15

some ways in which a fungus enters a plant

Answer 15

direct penetration, penetration through stomates, and penetration through wounds

Question 16

how do bacteria differ from fungi

Answer 16

bacteria do not produce spores

Question 17

what are nematodes, and how can they cause plant disease

Answer 17

they are very tiny, eel shaped worms which live in the soil. they feed on plant roots, causing root injury which interferes with the uptake of nutrients and water in the plant

Question 18

damping-off

Answer 18

destruction of a seedling’s stem near the soil line, resulting in the seedling falling over on the ground

Question 19

difference between chlorotic and necrotic

Answer 19

CHLOROTIC is the yellowing of tissue and NECROTIC is dead tissue

Question 20

what are ideal daytime and nighttime temperatures for most house plants

Answer 20

70-80 F in daytime and 60-65 F at night