What statement about the protonema is false?
a. It is haploid
b. It is photosynthetic
c. The spermatophyte develops from it
d. It is the product of a germinated spore
e. It is a chain of cells that forms a stage of a bryophyte life cycle
What groups of plants have self-propelled spermatozoids?
a. Mosses, lycophytes and gymnosperms
b. Mosses, lycophytes and ferns
c. Only ferns and gymnosperms
d. Only gymnosperms and angiosperms
e. Only lycophytes and ferns
What is the correct evolutionary sequence (from oldest to youngest) of the following
branches of the tree of life in plants?
a. Lycophytes, ferns, eudicots, gymnosperms, monocots
b. Ferns, lycophytes, gymnosperms, monocots, eudicots
c. Ferns, lycophytes, gymnosperms, monocots, eudicots
d. Lycophytes, ferns, gymnosperms, monocots, eudicots
e. Lycophytes, ferns, gymnosperms, eudicots, monocots
The following description applies to one specific cell type. Which one?
This cell type is alive at maturity, and its cell walls are stiffened typically in their corners. This cell
type is used as support in plant shoots or associated with vascular bundles.
What makes a prune shine after rubbing it on your pants (and before biting into it)?
a. sclerenchyma cells
b. epidermis cells
c. guard cells
Which of the following is NOT a secondary meristem?
a. Vascular cambium
b. Ground meristem
c. Axillary meristem
d. Cork cambium
e. Root apical meristem
1 What type of dispersal is associated with the following description of a seed?
This seed is relatively small (under 0.5 cm in diameter), it is produced by a herb in the forest
of the Morningside Ravine and it has an attached body rich in lipids.
a. wind dispersal
b. ant dispersal
c. self dispersal
d. internal hitchhiking
e. external hitchhiking
Which of the following can provide food for the developing embryo?
What statement about double fertilization is false?
a. It is specific to angiosperms
b. One of the two male gametophytic nuclei shuttled from the pollen to the ovule by means of
the pollen tube fertilizes the egg cell and the other fertilizes the central cell
c. Double fertilization leads to the initiation of the endosperm
d. It refers to the parallel union between a haploid sperm nucleus and the haploid egg and the
haploid sperm nucleus and the diploid central cell
e. All of the above statements are correct
In which of the following sexual system is selfing not possible?
2 Which of the labeled tissues is secondary phloem?