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 *