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Ninth Grade (Grade 9) Botany Questions

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Grade 9 Botany
Grade 9 Botany
What are flowering plants called?
  1. angiosperms
  2. gymnosperms
  3. bryophytes
  4. conifers
Grade 9 Botany
What is the process of losing water through a plant's leaves?
  1. transpiration
  2. pollination
  3. ventilation
  4. circulation
Grade 9 Botany
Why are nonvascular plants small?
  1. They don't receive enough sunlight.
  2. They don't get enough nutrients to grow tall.
  3. Their leaves are too small.
  4. They can't transport water and nutrients over long distances.
Grade 9 Botany
Which structure contain the gametes in angiosperms?
  1. roots
  2. seeds
  3. vascular tissue
  4. flowers
Grade 9 Botany
Flowering plants can be divided into which of the following two categories?
  1. vascular and non-vascular
  2. angiosperms and gymnosperms
  3. bryophytes and hydrophytes
  4. monocots and dicots
Grade 9 Botany
Which of the following is NOT a characteristic of gymnosperms?
  1. produce seeds that are not surrounded by fruit but are sometimes enclosed in cones
  2. produce pollen grains that contain the male gamete
  3. have no vascular tissue; transport water and nutrients only by diffusion and osmosis
  4. have xylem and phloem tissues to transport water and nutrients
Grade 9 Botany
A gymnosperm is defined by which of the following?
  1. a gametophyte structure that carries the male gamete.
  2. a structure that carries the male gamete.
  3. a nonvascular plant that produces seeds that are not enclosed in a fruit.
  4. a vascular plant that produces seeds that are not enclosed in a fruit.
Grade 9 Botany
Grade 9 Botany
Vascular plants transport materials throughout the plant by using which of the following?
  1. rhizoids and sporophytes
  2. xylem and phloem
  3. transfusion
  4. spores and tube cells
Grade 9 Botany
Where does most photosynthesis take place in plants?
  1. the vascular bundles in the stems and roots
  2. the epidermis in the leaves
  3. the mesophyll in the leaves
  4. the pith of the stem
Grade 9 Botany
Why do mosses need moisture?
  1. to grow tall
  2. to produce flowers
  3. to reproduce
  4. for osmosis
Grade 9 Botany
Which of the following is true about plants that do NOT have vascular tissue?
  1. They can pull up water only a few centimeters above the ground.
  2. They conduct water long distances.
  3. They produce seeds to reproduce.
  4. They must grow in dry climates.
Grade 9 Botany
What does pollen contain?
  1. egg cells
  2. sperm cells
  3. zygote
  4. embryo
Grade 9 Botany
What is the function of the root hairs?
  1. to hold the plant in place in the soil
  2. to provide an area where roots grow the fastest
  3. to increase the surface area of the root
  4. to prevent the plant from being uprooted in high winds
Grade 9 Botany
Which of the following structures contain the gametes of angiosperms?
  1. pollen grains and ovules in flowers
  2. seeds in flowers
  3. roots, stems, and leaves
  4. male and female cones
Grade 9 Botany
The phloem is vascular tissue that does what?
  1. consists of dead tubular cells
  2. transports sugar from leaves to all parts of the plant
  3. is present only in stems
  4. transports water from roots to leaves
Grade 9 Botany
What is the protective outer layer of a leaf called?
  1. veins
  2. epidermis
  3. dermis
  4. guard cells
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