1531. What is it called when a severed plant part grows into a complete new plant ?
A. Fragmentation *
B. Thigmotropism
C. Acid growth hypothesis
D. Apical dominance
1532. Which of the following is not a function of the roots ?
A. Cling to substrate
B. Store nutrients
C. Take in organic nutrients *
D. Take in water
1533. Which of the following is part of the diploid generation in the plant life cycle ?
A. Gamete
B. Spore
C. Pollen
D. Zygote *
1534. What purpose does endosperm serve ?
A. Male gametophyte
B. Embryonic food source *
C. Vascular tissue
D. Response to stimuli
1535. What is the perianth?
A. Nonproductive portion of a flower *
B. Flower part above the filament
C. Whorl from which the male sex organs arise
D. Precursor of the seed coat
1536. Which word means ” vascular plant “?
A. Gymnosperm
B. Autotroph
C. Tracheophyte *
D. Sporophyte
1537. What mechanism best explains how fluids are brought upward in the xylem?
A. Turgor pressure
B. TATC *
C. Capillarity
D. Sugar transport
1538. How are the vascular tissues arranged in the stems of woody dicots ?
A. Discrete bundles
B. Scattered throughout the pith
C. Rings *
D. In Pockets just inside the epidermis
1539. In photoperiodic plants, which factor determine flowering ?
A. Duration of night *
B. Angle of light source
C. Duration of day
D. Temperature
1540. Where does vascular cambium lie ?
A. In root hairs
B. Along the apoplast pathway
C. Within a seed
D. Between xylem and phloem *