Botany Ex (1) Flashcards
1
Q
An evolutionary adaptation that increases exposure of a plant to light in a dense forest is
A) closing of the stomata B) lateral buds C) apical dominance D) absence of petioles E) intercalary meristems
A
C) apical dominance
2
Q
Vascular plant tissue includes all of the following cell types except
A) vessel elements B) sieve cells C) tracheids D) companion cells E) cambium cells
A
E) cambium cells
3
Q
Which functional plant cells lack a nucleus?
A) xylem only B) sieve cells only C) companion cells only D) both companion and parenchyma cells E) both xylem and sieve-tube cells
A
E) both xylem and sieve-tube cells
4
Q
4) Which of the following are long, thin tapered cells with lignified cell walls that function as water transport tissues and as support tissues A) parenchyma B) collenchyma C) sclerenchyma D) tracheids E) sieve cells
A
D) tracheids
5
Q
Which of the following are living cells that lack nuclei and ribosomes; they transport sugars and other organic nutrients
A) parenchyma B) collenchyma C) sclerenchyma D) tracheids E) sieve cells
A
A) parenchyma
6
Q
________ is to xylem as ________ is to phloem
A) Sclerenchyma cell; parenchyma cell B) Apical meristem; vascular cambium C) Vessel element; sieve-tube member D) Cortex; pith E) Vascular cambium; cork cambium
A
C) Vessel element; sieve-tube member
7
Q
Which of the following arise from meristematic activity?
A) secondary xylem B) leaves C) trichomes D) tubers E) all of the above
A
E) all of the above
8
Q
Which structure is incorrectly paired with its tissue system? A) root hair - dermal tissue B) palisade parenchyma - ground tissue C) guard cell - dermal tissue D) companion cell - ground tissue E) tracheid - vascular tissue
A
D) companion cell - ground tissue
9
Q
________ provides cells for primary growth
A) lateral meristems B) apical meristems C) phloem D) cork cambium E) xylem
A
B) apical meristems
10
Q
Secondary growth never occurs in A) stems B) roots C) leaves D) stems and leaves E) roots and leaves
A
C) leaves
