Unlike the leaves of eudicots, most monocot leaves: undergo secondary growth. have veins containing xylem and phloem. have veins arranged in a…

1.Unlike the leaves of eudicots, most monocot leaves:

undergo secondary growth.

have veins containing xylem and phloem.

have veins arranged in a branching pattern.

have netted venation.

have parallel venation.

2.I went to Lowes last week and bought a Christmas tree. My kids counted 10 tree rings at the base of the trunk. How many layers of vascular cambium did this tree have when it was harvested?

1

5

10

20

Gymnosperms do not have vascular cambia

3.If a fruit at maturity is made of high-calorie material, it most likely evolved to facilitate seed dispersal via

gravity and terrain

water currents

air currents

animal digestive tracts

animal skin, fur, or feathers

4.The most popular laboratory model for plant biology is

Chlamydomonas

algae

Zea mays

(corn)

Arabidopsis thaliana (a mustard)

Nicotiana tabacum (common tobacco)

Pisum sativum (peas)

5.If you want to analyze what happens to ALL the genes in a plant when it is subjected to a specific treatment (cold stress, for example), you should prepare total RNA from control and experimental plants and analyze gene expression levels by

Profiling expression patterns with DNA chips (microarrays)

Creating a genomic library

Conducting a polymerase chain reaction analysis

Creating transgenic plants

Ordering mutant seed stocks from seed repositories

6.When developing phylogenetic trees (cladograms), which of the following is should NOT be incorporated

Ancestral traits.

Derived traits.

DNA sequences.

Analogous traits.

Homologous traits

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