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Ninth Grade (Grade 9) Botany Questions

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Grade 9 Botany
What are flowering plants called?
  1. angiosperms
  2. gymnosperms
  3. bryophytes
  4. conifers
Grade 9 Botany
Flowering plants can be divided into what two categories?
  1. vascular and non-vascular
  2. angiosperms and gymnosperms
  3. bryophytes and hydrophytes
  4. monocots and dicots
Grade 9 Botany
How do water and dissolved materials move through non-vascular plants?
  1. active transport
  2. transpiration
  3. transformation
  4. diffusion and osmosis
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
In plants, most photosynthesis occurs in
  1. the vascular bundles in the stems and roots.
  2. the epidermis of the leaves.
  3. the mesophyll of the leaves.
  4. the pith of the stem.
Grade 9 Botany
Grade 9 Botany
What structure contains the gametes in angiosperms?
  1. root
  2. seed
  3. vascular tissue
  4. flower
Grade 9 Botany
What is the definition of a gymnosperm?
  1. a gametophyte structure that carries the male gamete
  2. a structure that carries the female 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
What is the purpose of guard cells in a leaf?
  1. open and close stomata
  2. produce protective wax
  3. regulate photosynthesis
  4. produce chlorophyll
Grade 9 Botany
What is the transfer of pollen from a male cone to a female cone?
  1. spermatogenesis
  2. oogenesis
  3. fertilization
  4. pollination
Grade 9 Botany
What is the process of a plant losing water through its leaves?
  1. transpiration
  2. pollination
  3. ventilation
  4. circulation
Grade 9 Botany
What is true of a monocot?
  1. Its leaves have parallel veins.
  2. It has netted veins.
  3. It consists of vascular bundles found in a ring.
  4. It has a taproot.
Grade 9 Botany
What 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
Vascular plants transport materials throughout the plant by using
  1. rhizoids and sporophytes.
  2. xylem and phloem.
  3. transfusion.
  4. spores and tube cells.
Grade 9 Botany
What is one function of the root hairs?
  1. hold the plant in place in the soil
  2. provide an area where roots grow the fastest
  3. increase the surface area of the root
  4. prevent the plant from being uprooted in high winds
Grade 9 Botany
Because of their life cycle, all trees can be described as
  1. annuals.
  2. biennials.
  3. deciduous.
  4. perennials.
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