Hormones
free points
When does a seed germinate?
When the right temperature, right moisture, and other conditions occur
When the sperm is able to swim to the egg
When the sporophyte produces spores
When the wind is able to carry the pollen to the eggs
When the right temperature, right moisture, and other conditions occur
the often colorful structure that helps attract insects and birds
petal
free points
Which food does not spoil ever?
Honey
(Twinkies are also an acceptable answer)
When a plant receives light from only one direction, hormones cause
The dark side of the stem to grow faster than the light side of the stem
Poinsettias need at least thirteen hours of darkness to bloom. Poinsettias are __________ plants.
Short-day
What part(s) of a moss plant produces spores?
The capsules
the structure that contains one or more ovules at the base of the style
ovary
Which continent is in all four hemispheres?
Africa
Hormones cause plant cells to do which of the following?
Grow in size
Stop growing
Divide
All the above
All the above
Which of the following plant organs demonstrate positive gravitropism?
Flowers
Leaves
Roots
Stems
Roots
the sticky top of the carpel that receives the pollen
stigma
The entire male part of the flower
stamen
Which plant hormone causes fruit to ripen?
Ethylene
Day-neutral plants
Are not affected by the length of day.
the entire female part of the flower
Carpel
The leaflike structure around the petals that protects the developing flower
sepal
What is a group of hyenas called?
A cackle
Which plant hormone acts as an inhibitor to the other hormones?
Abscisic acid
Grapevine stems climbing a wood lattice is an example of _______.
Gravitropism
Phototropism
Thigmotropism
Winding tropism
Thigmotropism
the pollen-producing structure on top of the filament
the structure that allows gametes to travel down through the style to the ovary
Which country has more saunas than cars?