Self-Test 3: Unit 1.3 - Growth Regulators - Study Guide (6/7th Grade)
the storehouse of food and water in roots is the
cortex
The chemical 2,4-D causes liver decay in birds
false
all plants carry on photosynthesis
false
man cannot artificially cause a stem to grow roots
false
man now knows everything that there is to be known about plants and how they operate
false
most plants do not contain auxins naturally
false
organic farming grows more food than chemical farming
false
oxygen
gas made in photosynthesis
the first substance made by leaves, which can be made into many other chemicals, is
glucose
starch
many glucose units stacked together
the leaf layer containing chloroplasts is
palisade
the dead xylem and phloem is called
pith
gibberellin
plant chemical discovered in fungus
the major food storage part of carrots is the
root
glucose
simple sugar
stomata
small holes in the leaf
legume
soybeans
leaves have the greatest amount of chemical regulators at the
tip
birds that eat food polluted with arsenic have
tissue decay
the three purposes of roots are
to anchor plants, transport water and minerals, store food
coconut milk contains the chemical cytokinin
true
gibberellins cause seeds to germinate more quickly
true
manure is a form of organic fertilizer
true
some growth regulators are useful to farmers and gardeners
true
phloem
tubes carrying food down to roots
xylem
tubes carrying water and minerals
cuticle
waxy layer of leaf
a geranium is an example of a
broad-leafed plant
auxin
chemical produced in growing root tips
