A pollen grain is a
A) male gametophyte B) female gametophyte C) male sporophyte D) male gamete
Which of the following cells is associated with ground tissue system, form the bulk of many plant organs, including an apple that
you eat, and is totipotent.
A) sclerenchyma B) parenchyma C) collenchyma D) fibers
The movement of xylem sap relies on the
A) ability of water molecules to form hydrogen bonds with each other (cohesion and tension)
B) active transport
C) evaporation of water from the leaf surface
D) Both A and B are correct
E) Both A and C are correct
Root hairs are associated with which region of the root?
A) zone of cellular division B) zone of cellular elongation
C) zone of cellular maturation D) all of the preceding regions have functional root hairs
Wood consists of accumulated
A) primary xylem B) primary phloem C) secondary xylem D) secondary phloem
Two lateral meristems in plants are
A) vascular cambium, producing cork; cork cambium producing secondary phloem
B) vascular cambium, producing secondary xylem; cork cambium, producing secondary phloem
C) vascular cambium, producing secondary xylem; cork cambium, producing cork
D) vascular cambium, producing secondary phloem; cork cambium, producing secondary xylem
If you hammer a nail into the trunk of a tree 2 meters above the ground when the tree is 6 meters tall, how far above the ground will
the nail be when the tree is 12 meters tall?
A) 2 meters B) 4 meters C) 8 meters
Sugars are released from tissues into phloem vessels from
A) sinks B) sources C) xylem
The fluid in phloem sap come from
A) sinks B) sources C) xylem sap D) none of the preceding