BIO 105 EXAM 3 PLANT FORM AND FUNCTION TEST QUESTIONS WITH ACCURATE
SOLUTIONS
Plant meristematic cells _____.
a) are undifferentiated cells that produce new cells
b) subdivide into 3 distinct cell types named parenchyma, ground meristem, and
procambium
c) are distributed evenly in all tissues throughout the plant
d) increase the surface area of dermal tissue by developing root hairs
A
The driving force that pushes the root tip through the soil is primarily ______.
a) continuous cell division just behind the root cap in the center of the apical meristem
b) continuous cell division in the root cap at the tip of the root
c) elongation of cells behind the root apical meristem
d) continuous cell division of root cap cells
C
Most of the growth of a plant body is the result of _______.
a) morphogenesis
b) cell division
c) cell elongation
d) cell differentiation
C
, Active transport of amino acids in plants at the cellular level requires ______.
a) NADP and channel proteins
b) sodium/potassium pumps and xylem membranes
c) xylem membranes and channel proteins
d) ATP, transport proteins, and a proton gradient
D
Which of the following ions play the primary role in basic transport processes in plant
cells?
a) Na+
b) K+
c) H+
d) Ca +2
C
Which of the following would be least likely to affect osmosis in plants?
a) aquaporins
b) a difference in water potential
c) receptor proteins in the membrane
d) a difference in solute concentration
A
SOLUTIONS
Plant meristematic cells _____.
a) are undifferentiated cells that produce new cells
b) subdivide into 3 distinct cell types named parenchyma, ground meristem, and
procambium
c) are distributed evenly in all tissues throughout the plant
d) increase the surface area of dermal tissue by developing root hairs
A
The driving force that pushes the root tip through the soil is primarily ______.
a) continuous cell division just behind the root cap in the center of the apical meristem
b) continuous cell division in the root cap at the tip of the root
c) elongation of cells behind the root apical meristem
d) continuous cell division of root cap cells
C
Most of the growth of a plant body is the result of _______.
a) morphogenesis
b) cell division
c) cell elongation
d) cell differentiation
C
, Active transport of amino acids in plants at the cellular level requires ______.
a) NADP and channel proteins
b) sodium/potassium pumps and xylem membranes
c) xylem membranes and channel proteins
d) ATP, transport proteins, and a proton gradient
D
Which of the following ions play the primary role in basic transport processes in plant
cells?
a) Na+
b) K+
c) H+
d) Ca +2
C
Which of the following would be least likely to affect osmosis in plants?
a) aquaporins
b) a difference in water potential
c) receptor proteins in the membrane
d) a difference in solute concentration
A
