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Plant Structure Questions

(answers WAY DOWN at bottom of page)

A. Plants grow from perpetually embryonic cells located in regions called

  1. incubators
  2. cell plates
  3. meristems
  4. phragmoplasts

B. Regions of primary growth occur

  1. at the tips of stems only.
  2. at the tips of roots only.
  3. at the tips of leaves only.
  4. at the tips of roots and stems.

C. Primary growth in plants involves

  1. active apical meristems
  2. differentiation of already specialized cells
  3. an increase in diameter of plant organs
  4. an active vascular cambium

D. The primary plant body consists of all of the following except

  1. dermal tissue (e.g., epidermis)
  2. ground tissue
  3. meristems
  4. wood
  5. vascular tissue

E. The young sporophyte within the seed is called the

  1. embryo
  2. endosperm
  3. integument
  4. embryo sac
  5. megaspore

F. The region of photosynthetic parenchyma tissue inside a leaf is called

  1. vascular tissue
  2. endodermis
  3. mesophyll
  4. endophyll
  5. epidermis

G. Plant structures that are homologous

  1. evolved from the same ancestral structure
  2. evolved from different ancestral structures
  3. look morphologically identical
  4. perform the same function
  5. cannot be used to estimate evolutionary relationships

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Answers: A3, B4, C1, D4, E1, F3, G1

modified 1/24/04