in flowering plants, pollen is released from the?

anther
pollen tube
carpel
filament
stigma

Question#2
arrange the following structures from largest to smallest, assuming that they belong to 2 generations of the same angiosperm?

ovary
ovule
egg
carpel
embryo sac

Question #3
Which of the following statements about xylem is incorrect?

it conducts material upward
no energy input from the plant is required for xylem transport
it has a lower water potential than soil does
it conducts materials withtin dead cells it transports mainly sugars and amino acids

Question #4
Which of the following hormones would be most useful in promoting the rooting of plant cuttings?

cytokinins
gibberellins
oligosaccharins
auxins
abscisic acid