PLANT TAXONOMY EXAM SOLVED CORRECTLY #8
Monocots and dicots are both monophyletic groups of flowering plants.
True
False - correct answer False
Which of the following is NOT usually a characteristic of the family Nymphaeceae?
A dozen or more stament
At least 5 separate pistils
Long petioles that extend to the bottom of the body of water they live in.
Superior ovary
Thick rhizomes. - correct answer At least 5 separate pistils
Waterlilies (plants in the Family Nymphaceae) are perennial.
True
False - correct answer True
Plants in the family Araceae have green embryos.
True
False - correct answer True
Araceae are monocots and often have 4 scale-like tepals.
True
False - correct answer True
They've got 4 tepals and can have 4 or 8 stamens. Most monocots have flower parts in
multiples of 3.
Which term best describes the inflorescence of the Araceae?
Cyme
Panicle
Raceme
Spadix (a fleshy spike)
Umbel - correct answer Spadix (a fleshy spike)
This plant family can have sepals or petals to the interior of the stamens.
Alismataceae
Araceae
Hydrocharitaceae
Juncaginaceae
Trick question: Sepals and petals are ALWAYS outside the stamens. - correct answer
Juncaginaceae
These plant families have their flowers arranged with a spathe (an enclosing leaf that
opens up) around the inflorescence. Choose all correct answers.
Alismataceae
Araceae
, Hydrocharitaceae
Juncaginaceae
Nympheacaeae - correct answer Araceae
Hydrocharitaceae
Which of these families include species that live either in seawater or in areas near the
sea where the soil water is fairly saline?
Araceae
Alismataceae
Hydrocharitaceae
Juncaginaceae
Nympheaceae - correct answer Hydrocharitaceae
Juncaginaceae
Which of the following are true of the Zosteraceae
Female flowers have 1 pistil.
Male flowers have 4 anthers.
The flowers are perfect.
They have 3 sepals.
They have 4 petals. - correct answer Female flowers have 1 pistil.
Members of the Potamogetonaceae are unusual for monocots because they have
_________________. Choose all correct answers.
4 perianth parts
4 pistils
7 stamens
An achene for a fruit
Sheathing leaves - correct answer 4 perianth parts
4 pistils
Members of the Zosteraceae are all monoecious.
True
False - correct answer False
These plant families include seagrasses, or vascular plants that grow completely
immersed in ocean water. (Though they may be exposed at low tide.) Choose all correct
answers.
Alismataceae
Araceae
Hydrocharitaceae
Potamogetonaceae
Zosteraceae - correct answer Hydrocharitaceae
Zosteraceae
Plants in this family have no perianth parts (sepals or petals). Ever.
Alismataceae
Monocots and dicots are both monophyletic groups of flowering plants.
True
False - correct answer False
Which of the following is NOT usually a characteristic of the family Nymphaeceae?
A dozen or more stament
At least 5 separate pistils
Long petioles that extend to the bottom of the body of water they live in.
Superior ovary
Thick rhizomes. - correct answer At least 5 separate pistils
Waterlilies (plants in the Family Nymphaceae) are perennial.
True
False - correct answer True
Plants in the family Araceae have green embryos.
True
False - correct answer True
Araceae are monocots and often have 4 scale-like tepals.
True
False - correct answer True
They've got 4 tepals and can have 4 or 8 stamens. Most monocots have flower parts in
multiples of 3.
Which term best describes the inflorescence of the Araceae?
Cyme
Panicle
Raceme
Spadix (a fleshy spike)
Umbel - correct answer Spadix (a fleshy spike)
This plant family can have sepals or petals to the interior of the stamens.
Alismataceae
Araceae
Hydrocharitaceae
Juncaginaceae
Trick question: Sepals and petals are ALWAYS outside the stamens. - correct answer
Juncaginaceae
These plant families have their flowers arranged with a spathe (an enclosing leaf that
opens up) around the inflorescence. Choose all correct answers.
Alismataceae
Araceae
, Hydrocharitaceae
Juncaginaceae
Nympheacaeae - correct answer Araceae
Hydrocharitaceae
Which of these families include species that live either in seawater or in areas near the
sea where the soil water is fairly saline?
Araceae
Alismataceae
Hydrocharitaceae
Juncaginaceae
Nympheaceae - correct answer Hydrocharitaceae
Juncaginaceae
Which of the following are true of the Zosteraceae
Female flowers have 1 pistil.
Male flowers have 4 anthers.
The flowers are perfect.
They have 3 sepals.
They have 4 petals. - correct answer Female flowers have 1 pistil.
Members of the Potamogetonaceae are unusual for monocots because they have
_________________. Choose all correct answers.
4 perianth parts
4 pistils
7 stamens
An achene for a fruit
Sheathing leaves - correct answer 4 perianth parts
4 pistils
Members of the Zosteraceae are all monoecious.
True
False - correct answer False
These plant families include seagrasses, or vascular plants that grow completely
immersed in ocean water. (Though they may be exposed at low tide.) Choose all correct
answers.
Alismataceae
Araceae
Hydrocharitaceae
Potamogetonaceae
Zosteraceae - correct answer Hydrocharitaceae
Zosteraceae
Plants in this family have no perianth parts (sepals or petals). Ever.
Alismataceae
