Practice exam 1
Which of the following is NOT a component of a typical dicot leaf? A) palisade mesophyll, B) upper epidermis, C) endodermis, D) spongy mesophyll, E) veins.
c
Which of the following is NOT a primary meristem? A) protoderm, B) procambium, C) vascular cambium, D) ground meristem, E) All of the above are primary meristems.
c
Monocot stems contain all of the following EXCEPT: A) ground tissue, B) epidermis, C) endodermis, D) vascular bundles, E) Monocot stems contain all of the above.
c
Resin from cone-bearing trees is comprised of: A) lignin, B) cutin and suberin, C) rosin and turpentine, D) elastin, E) latex.
c
The site of gravity perception in the root is the: A) region of elongation, B) region of maturation, C) root cap, D) apical meristem, E) root hair zone.
c
This cell type is dead at maturity and it may lack end walls or has bar-like strips for end walls: A) tracheid, B) companion cell, C) vessel element, D) sieve tube member, E) collenchyma.
c
Which of the following is NOT a source in a plant? A) photosynthesizing leaves, B) storage roots, C) actively growing buds, D) rhizomes, E) All of the above are sources in plants.
c
Which of the following is NOT a type of soil texture? A) clay, B) sand, C) topsoil, D) silt, E) All of the above are types of soil texture.
c
A knot is the base of a lost branch that can become covered by new annual rings of wood. A) true, B) false.
a
A typical dicot root has all of the following EXCEPT: A) pith, B) cortex, C) epidermis, D) endodermis, E) A typical dicot root has all of the above.
a
Which of the following is NOT typically found in plant cells? A) lysosomes, B) ribosomes, C) centrioles, D) vacuoles, E) More than one of the above are NOT typically found in plant cells.
e
2. Enzymes are types of: A) proteins, B) carbohydrates, C) lipids, D) nucleic acids, E) None of the above.
a
A typical monocot root contains all of the following EXCEPT: A) resin canals, B) endodermis, C) pericycle, D) cortex, E) epidermis.
a
Cone-bearing trees have albuminous cells instead of companion cells. A) true, B) false.
a
Dicot roots of some species are able to produce wood and cork. A) true, B) false.
a
In a plant cell with a secondary cell wall, the secondary wall is deposited to the inside of the primary cell wall. A) true, B) false.
a
Phytoremediation is the use of plants to facilitate the removal of toxic compounds from ground water and soil. A) true, B) false.
a
Tiny strands of cytoplasm that extend between adjacent cells are termed plasmodesmata. A) true, B) false.
a
Which of the following is not a possible component of the xylem? A) sieve tube members, B) vessels, C) tracheids, D) fibers, E) rays.
a
Which of the following is/are NOT part of the endomembrane system? A) mitochondria, B) endoplasmic reticulum, C) dictyosomes, D) vacuoles, E) more than one of the above are NOT part of the endomembrane system.
a
A compound leaf has leaflets and each leaflet has an axillary bud at its base. A) true, B) false.
b
Carbohydrates contain all of the following except: A) carbon, B) nitrogen, C) hydrogen, D) oxygen, E) Carbohydrates contain all of the above.
b
Lateral roots arise from the: A) endodermis, B) pericycle, C) Casparian strips, D) epidermis, E) cortex.
b
Mitochondria: A) are the sites of protein synthesis in the cell, B) are the sites of aerobic cellular respiration, C) are not found in plant cells, D) are the organelles in which photosynthesis occurs, E) are none of the above.
b
One year's growth on a twig is the region from one set of these to another: A) stipule scars, B) bud scale scars, C) bundle scars, D) nodes, E) lenticels.
b
Pits are regions in the cell wall where the secondary wall does not contain lignin. A) true, B) false.
b
Root nodules are tumors on roots formed by fungi that aid in the absorption of phosphorus from soils. A) true, B) false.
b
The difference between heartwood and sapwoods is that the heartwood is that wood that is dead, while sapwood is lighter wood that is still alive. A) true, B) false.
b
The membrane around the vacuole is termed the: A) proplastid, B) tonoplast, C) vacuoplast, D) endoplast, E) endomembrane.
b
The most recently formed annual ring in a woody dicot stem will be the annual ring that is closest to the pith. A) true, B) false.
b
The region of elongation of a root is also known as the root hair zone. A) true, B) false
b
Transport in the xylem is up and down, while in the phloem it is upwards only. A) true, B) false.
b
Where is one most likely to find collenchyma in a cross section of a typical stem? A) in the pith, B) just under the epidermis, C) between the xylem and phloem, D) in the xylem, E) on the cuticle.
b
1. Which of the following is the area of plant study that is the study of the form and external structure of plants? A) plant taxonomy, B) plant anatomy, C) plant morphology, D) plant physiology, E) plant physiography.
c
9. The middle lamella is comprised of: A) lignin, B) cutin, C) suberin, D) pectin, E) super glue.
d
Collenchyma cells have: A) a thin primary cell wall, B) a thick primary cell wall containing lignin, C) a secondary cell wall only, D) a primary cell wall only, E) a primary cell wall and a secondary cell wall.
d
Paired appendages at the base of a leaf's petiole are called: A) lenticels, B) internodes, C) bud scale scars, D) stipules, E) rhizomes.
d
The wood of conifers such as pine, consists of: A) fibers only, B) vessels, tracheids, and fibers, C) tracheids and vessels only, D) tracheids only, E) vessels only
d
Plant cell walls are comprised of all of the following EXCEPT: A) macrofibrils, B) microfibrils, C) cellulose, D) pectins, E) glycogen.
e
The type of covalent bond that holds the amino acids together in a polypeptide is the: A) hydroxyl bond, B) hydrogen bond, C) ionic bond, D) carboxyl bond, E) None of the above.
e
Which of the following are typically dead at maturity? A) sieve tube members, B) companion cells, C) vessel elements, D) tracheids, E) More than one of the above.
e
Which of the following can be found in the cell sap of plant cells? A) mitochondria, B) ribosomes, C) oleosomes, D) DNA, E) None of the above can be found in the cell sap .
e
Which of the following is NOT a characteristic of monocots? A) flower parts in 3's, B) vascular bundles scattered in the stem, C) parallel leaf veins, D) one cotyledon, E) tap roots.
e
Which of the following is NOT a characteristic of plants as living organisms? A) movement, B) metabolism, C) reproduction, D) adaptation to the environment, E) All of the above are characteristics of plants as living things.
e
Which of the following is NOT a complex tissue? A) epidermis, B) periderm, C) xylem, D) phloem, E) All of the above are complex tissues.
e
Which of the following is NOT a component of the periderm? A) phelloderm, B) phellogen, C) cork cells, D) cork cambium, E) All of the above are components of the periderm.
e
Which of the following is NOT a type of plastid? A) leucoplast, B) amyloplast, C) chromoplast, D) elaioplast, E) All of the above are types of plastids.
e
Which of the following is NOT an example of a specialized root? A) carrot, B) white potato, C) sweet potato, D) onion, E) More than one of the above are NOT roots.
e
Which of the following is NOT an example of a specialized stem? A) tuber, B) bulb, C) stolon, D) corm, E) All of the above are examples of specialized stems.
e
