Want to see correct answers?
Login or join for free!
  Biology Worksheets
Looking for Biology worksheets?
Check out our pre-made Biology worksheets!
Share/Like This Page
Filter By Grade

You are browsing Grade 12 questions. View questions in All Grades.

Kindergarten Grade 1 Grade 2 Grade 3 Grade 4 Grade 5 Grade 6 Grade 7 Grade 8 Grade 9 Grade 10 Grade 11 Grade 12 College Graduate Continuing Education

Browse Questions

Twelfth Grade (Grade 12) Botany Questions

You can create printable tests and worksheets from these Grade 12 Botany questions! Select one or more questions using the checkboxes above each question. Then click the add selected questions to a test button before moving to another page.

Previous Page 2 of 3 Next
Grade 12 Botany
What is the function of a pollen tube?
  1. digest the sporophyte tissue as it grows towards the female gametophyte
  2. help the pollen grain to stick to the pollinator
  3. deliver the pollen from the stigma to the style
  4. remove the pollen grain from the microsporangium as it matures
Grade 12 Botany
Which characteristic describes members of the Tracheophyta?
  1. nutrition by ingestion
  2. nutrition by absorption
  3. possessing vascular tissue
  4. nonvascular
Grade 12 Botany
What is an advantage of using inorganic fertilizers when growing plants?
  1. They improve the physical properties of the soil.
  2. They can be taken in almost immediately by the roots.
  3. They are of higher quality than organic fertilizers.
  4. They contain minerals that are in their proper ionic form.
Grade 12 Botany
What are the clusters of spores found on the underside of fern fronds?
  1. megaphylls
  2. microphylls
  3. sori
  4. rhizoids
Grade 12 Botany
How do bryophytes survive on land without having true leaves, stems, or roots?
  1. They live in moist environments.
  2. They have a thick cuticle to prevent water loss.
  3. They are so small that minerals can diffuse directly into their bodies.
  4. both b and c
Grade 12 Botany
A nitrogen deficiency in plants is often characterized by what symptom?
  1. The young leaves become yellow.
  2. The young leaves turn orange.
  3. The old leaves turn yellow.
  4. The old leaves turn orange.
Grade 12 Botany
Which observation provides evidence that a plant is heterosporous?
  1. It has a single type of spore.
  2. It reproduces only during the rainy season.
  3. It has both a megaspore and a microspore.
  4. It produces only the sporophyte stage of the life cycle.
Grade 12 Botany
Which characteristic is NOT found in all groups of land plants?
  1. chlorophyll a
  2. starch as the storage of carbohydrates
  3. embryos developing under the protection of a parent plant
  4. accessory pigment called phycoerythrin
Grade 12 Botany
In which group of bryophytes did stomata first appear?
  1. hornworts
  2. mosses
  3. liverworts
  4. club mosses
Grade 12 Botany
Most plants grow best under conditions that duplicate their
  1. picture.
  2. original home.
  3. species.
  4. surrounding plants.
Grade 12 Botany
Which characteristic is NOT shared by club mosses and horsetails?
  1. large sporophytes
  2. microphyll-type leaves
  3. apical growth
  4. true roots
Grade 12 Botany
How is the fern megaphyll thought to have evolved?
  1. as a result of branch flattening
  2. spontaneously in multiple lineages
  3. from a sterile sporangia
  4. by the process of amphidiploidy
Grade 12 Botany
Cold acclimation is the process by which a plant stops active growth and develops the capacity to survive
  1. hot temperatures.
  2. shade.
  3. drought.
  4. freezing temperatures.
Grade 12 Botany
Which clade includes the horsetails and the ferns?
  1. streptophytes
  2. euphyllophytes
  3. monilophytes
  4. bryophytes
Grade 12 Botany
Define flower.
Previous Page 2 of 3 Next