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+\documentclass[letterpaper]{article}
+\usepackage{multicol,graphicx,array}
+
+% ===
+
+\makeatletter
+\newcommand{\Bigstrut}{\raisebox{-1.5ex}{\rule{0pt}{5ex}}}
+\newcommand*{\NUMBER}{\relax}
+\providecommand*{\LIN}[1][2em]{\leavevmode\hbox to #1{\hrulefill}}
+\renewcommand*{\@oddfoot}{\raisebox{0pt}[\headheight][0pt]{%
+\vbox{\hrule \hbox to\textwidth{\vrule\,\strut\itshape
+BIOL 154 \hfil \NUMBER\ (Page \thepage)\,%
+\vrule}\hrule}}}
+\renewcommand*{\@oddhead}{\raisebox{0pt}[\headheight][0pt]{%
+\vbox{\hrule \hbox to\textwidth{\vrule\,\Bigstrut\itshape
+BIOL 154 \hfil ID \LIN[12cm] \hfil
+\vrule}\hrule}}}
+\renewcommand{\_}{\mbox{}\hrulefill}
+
+\renewcommand*\thesection{\Roman{section}.}
+
+\renewcommand\theenumii{\@Alph\c@enumii}
+\renewcommand\theenumiii{\@roman\c@enumiii}
+\renewcommand\theenumiv{\@alph\c@enumiv}
+\renewcommand\labelenumi{\theenumi.}
+\renewcommand\labelenumii{\theenumii.}
+\renewcommand\labelenumiii{\theenumiii.}
+\renewcommand\labelenumiv{\theenumiv.}
+\renewcommand\p@enumii{\theenumi}
+\renewcommand\p@enumiii{\theenumi(\theenumii)}
+\renewcommand\p@enumiv{\p@enumiii\theenumiii}
+\renewcommand{\arraystretch}{1.5}
+
+\newcommand{\be}{\begin{enumerate}}
+\newcommand{\ee}{\end{enumerate}}
+
+\topmargin=-1cm
+\headheight=0cm
+\headsep=0.5cm
+\textheight=24cm
+\textwidth=18.5cm
+\oddsidemargin=-1.5cm
+\parindent=0cm
+\nofiles
+\columnseprule=0.4pt
+\makeatother
+
+% ===
+
+\renewcommand{\NUMBER}{Exam 4}
+
+\begin{document}
+
+\emph{Start time \LIN[5cm] \hfill End time \LIN[5cm]}
+
+\section{Multiple choice (58 points)}
+
+Each question in this section costs either 2 or 0. Please \textbf{mark} the appropriate answer on the \textbf{scantron}.
+
+\begin{multicols}{2}
+
+\be
+
+\item Which of the following groups is tightly adapted to insect pollination?
+ \be
+ \item Orchids
+ \item Grasses
+ \item Ferns
+ \ee
+
+\item Which life form is prevalent in North Dakota?
+ \be
+ \item Phanerophytes
+ \item Cryptophytes
+ \item Xerophytes
+ \ee
+
+\item What is the botanical name of organs like potato vegetable?
+ \be
+ \item Bulb
+ \item Tuber
+ \item Rhizome
+ \ee
+
+\item A pollen grain is:
+ \be
+ \item Composed of 5 cells, each is a spore
+ \item Male gametophyte
+ \item Diplont
+ \ee
+
+\item An embryo is:
+ \be
+ \item Composed of $1n$ tissue
+ \item Composed of $2n$ tissue
+ \item A mature gametophyte
+ \ee
+
+\item Gametophytes in ferns, conifers, and flowering plants tend to be:
+ \be
+ \item Small
+ \item Diploid
+ \item Dominant
+ \ee
+
+\item The name for the complete female zone of a flower is the:
+ \be
+ \item Ovule
+ \item Gynoecium
+ \item Perianth
+ \ee
+
+\item All of the \_ taken together compose a corolla.
+ \be
+ \item Petals
+ \item Anthers
+ \item Sepals and petals
+ \ee
+
+\item Which choice does NOT belong to the pistil?
+ \be
+ \item Macrosporangium
+ \item Ovule
+ \item Endoderm
+ \ee
+
+\item Microspores (male spores) are produced by:
+ \be
+ \item Mitosis
+ \item Meiosis
+ \ee
+
+\item In a flowering plant life cycle, female gametophyte is:
+ \be
+ \item Gynoecium
+ \item Pollen grain
+ \item Embryo sac
+ \ee
+
+\item Which of the following choices represents the correct sequence?
+ \be
+ \item Microspores $\rightarrow$ meiosis $\rightarrow$ gametophyte $\rightarrow$ sperm cell
+ \item Meiosis $\rightarrow$ microspores $\rightarrow$ gametophyte $\rightarrow$ sperm cell
+ \item Gametophyte $\rightarrow$ meiosis $\rightarrow$ egg cell $\rightarrow$ megaspore
+ \ee
+
+\item The oocyte (egg cell) is:
+ \be
+ \item Diploid
+ \item Triploid
+ \item Haploid
+ \ee
+
+\item The endosperm$_2$ (endosperm of angiosperms) is:
+ \be
+ \item Tetraploid
+ \item Triploid or diploid
+ \item Haploid
+ \ee
+
+\item The endosperm$_1$ (endosperm of gymnosperms) is:
+ \be
+ \item Tetraploid
+ \item Triploid or diploid
+ \item Haploid
+ \ee
+
+\item Double fertilization in flowering plants refers to the union of:
+ \be
+ \item One sperm with the egg and one sperm with nucellus
+ \item Two sperms with two eggs
+ \item One sperm with the egg and one sperm with central cell
+ \ee
+
+\item ABC-genes are involved in:
+ \be
+ \item Determination of different parts of flower
+ \item Determination of different parts of fruit
+ \item Determination of different parts of seed
+ \ee
+
+\item Flowers pollinated by bats should:
+ \be
+ \item Open at nights
+ \item Have big size
+ \item Both of above
+ \ee
+
+\item Which is NOT part of a seed?
+ \be
+ \item Embryo
+ \item Pericarp
+ \item Endosperm
+ \ee
+
+\item The reproductive cycle of the bryophytes resembles other land plants because:
+ \be
+ \item Their life cycle is gametic
+ \item Their life cycle is sporic
+ \item Their diploid stage is dominant
+ \ee
+
+\item Which of the following is the adaptation for animal distribution?
+ \be
+ \item Wings on the fruit or seed
+ \item Hard seed coat
+ \item Floatable pericarp
+ \ee
+
+\item Male heads of the \textit{Mnium} moss contain all of the following except:
+ \be
+ \item Paraphyses
+ \item Antheridia
+ \item Venter surrounding the egg
+ \ee
+
+\item Which of the following is NOT true for seed plants?
+ \be
+ \item They took female gametophyte under the cover of mother sporophyte
+ \item They invented pollination
+ \item They did not resolve a conflict between sizes of gametophyte and sporophyte
+ \ee
+
+\item Which group is more basal?
+ \be
+ \item Angiosperms
+ \item Conifers
+ \item Cycads
+ \ee
+
+\item Which of the following is NOT a conifer?
+ \be
+ \item Fir
+ \item Cedar
+ \item Ginkgo
+ \item Cypress
+ \ee
+
+\item Second fertilization in angiosperms:
+ \be
+ \item Issues a finishing signal to endosperm development
+ \item Starts the development of normal embryo
+ \item Helps plant to avoid the creation of non-fertilized seeds
+ \ee
+
+\item Mature pine tree is:
+ \be
+ \item An angiosperm
+ \item A haploid plant body
+ \item A sporophyte
+ \item All of the above
+ \ee
+
+\item The most ancestral living angiosperm is:
+ \be
+ \item \emph{Gikngo}
+ \item \emph{Amborella}
+ \item \emph{Archaefructus}
+ \ee
+
+\ee
+
+\end{multicols}
+
+\newpage
+
+\section{Short answers (42 or even more points)}
+
+\be
+
+\item Mycoparasitic, achlorophyllous plant \emph{Lacandonia schismatica} (below) grows in the rain forests of Mexico. It is called ``\emph{schismatica}'' (i.e. heretical) because its flowers have pistils placed outside of stamens, and stamens---in the center of flower. How could this placement be favorable for the plant? (\emph{plausible explanation $=10$ points})
+
+\begin{center}
+\includegraphics[width=.9\textwidth]{example-image-a}%
+\end{center}
+
+\vspace{\stretch{1}}
+
+\item Please describe what could be a plant ``located'' at the point \textbf{A} in the morphospace of life forms below. How might this plant look? If you have an example in mind, please list it here. (\emph{plausible explanation with example $= 10$ points, without example $= 5$ points})
+
+\vspace{\stretch{2}}
+
+\ee
+
+\end{document}