exam of the parts of a plant

I.     Identify the specific role of the following structures.  

1.         pollen tube
2.         hypocotyl
3.         epicotyl
4          endosperm
5.         polar nuclei

II.   In 5 or more steps, discuss/describe the major events in the double fertilization in
Angiosperm plants, including the chromosome numbers in the major structures
involved.  

III.   Identify the structures on the flower diagram below. 

IV.   State the function of each of the structures you identified in number three.   Make sure your letter and name of the structure is associated with your answer. 

V.   Explain the process of alternation of generation in plants.   Include terms like sporophyte generation, gametophyte generation, meiosis, mitosis, zygote,
and the associated chromosome numbers involved (n) or (2n) in your discussion.   

VI.  Correctly complete each of the following statements.  

1. Another name for germination is _______________.

2. The _______________ acts as a visual attractant for insects.

3. The seed of a bean plant is made mostly of the nutrient _______________.

4. The structure which supports the anther is the _______________.

5. The structure known as the "pollen box" containing the pollen of the

   plant is the _______________.

6. The part of the pistil which contains the pollen tube is the

_______________. This is the narrow midsection of the pistil.

7. The entire female reproductive organ in flowering plants is
   called the ______________.

8. The entire male reproductive organ in flowering plants is called
   the _______________.

9. The sperm of flowering plants is contained in the
   _______________  grain.

10. The _______________ of a sprouting seed develops into the lower
    stem and roots.

11. The transfer of pollen between the anther and the stigma in
    any flowering plant or plants is called _______________.

12. Most stored food in a bean seed is contained in
    their ________________.

13. The sticky top of the pistil is called the _______________.

14. The embryonic plant is called a _______________ before germination.

15. The _______________ of a sprouting seed develops into the
    upper stem and leaves.

16. _______________ acts as a chemical attractant for insects and
    small birds.

VII.  List the three factors necessary for the successful
      germination of any seed.

1.

2.        

3.

Multiple Choice Section

1.   Cone bearing plants  (1.) are known as gymnosperms   (2.) are known as angiosperms
       (3.) bear flowers for reproductive success  (4.) depend on an aqueous environment for gamete dispersion
       (5.) are found only in the Northern hemisphere

2.    The cotyledons of angiosperms  (1.) store food in the seed  (2.) form pollen  (3.) mature the pollen
        (4.) become the fruit  (5.) enclose the flower bud

3.     Angiosperms differ from other terrestrial plant groups in that they   (1.) have flowers and fruits
        (2.) have cones  (3.) have needles  (4.) produce spores  (5.) have xylem and phloem

4.      Food storage in seeds occurs in the  (1.) embryo  (2.) coleoptile  (3.) germ  (4.) plumule
         (5.) endosperm

Base your answers to question 5 below on the diagram and your knowledge of biology.

5.   The female gametophyte develops in this structure.   (1.) A   (2.) B   (3.) C   (4.) D
       (5.) 5   (6.) 6

Base your answers to questions 6 and 7 below on the diagram below and your knowledge of biology.



6.         The region labled B refers to the  (1.) epicotyl  (2.) hilium  (3.) radicle  (4.) meristem  (5.) endosperm

7.         The region labeled D represents the  (1.) cotyledon  (2.) hilium  (3.) hypocotyl  (4.) radicle  (5.) seed coat

Base your answers to questions 8 and 9 on the choices below.

(A) gibberellins
(B) cytokinins
(C) ethylene
(D) abscisic acid
(E) auxins

8.         Inhibits leaf abscission and promotes bud and seed dormancy.  (1.) A   (2.) B   (3.) C   (4.) D   (5.) E  

9.         Promotes plant growth and phototropism.   (1.) A   (2.) B   (3.) C   (4.) D   (5.) E

10.       Which of the following gases produces fruit color change and causes fruit to ripen by
            stimulating the conversion of starch into sugar?   (1.) ethylene  (2.) phytochrome  (3.) cytokinin
            (4.) auxin   (5.) gibberellin

11.       Which of the following statements about bryophyta is correct?   (1.) they have true roots and stems
            (2.) they can be small or grow large  (3.) they lack vascular tissue   (4.) the archegonium produces
            flagellated sperm   (5.) the zygote grows into a haploid structure

Base your answer to question 12 on the diagram of the flowering plant below and your knowledge of biology.


12.  This is the pollen producing structure.   (1.) A   (2.) B   (3.) C   (4.) D
       (5.) 5   (6.) 6  (7.) none of these

13.   In the presence of light, the plant hormone, auxin, migrates to  (1.) the dark side of the plant stem
        and causes elongation of these cells.   This results in the plant bending toward the light.
        (2.) the light side of the plant stem and causes elongation of those cells.   This results in the plant
        bending toward the light.    (3.) the dark side of the plant stem and causes elongation of those cells.
        This results in the plant bending away from the light.    (4.) the light side of the plant stem and causes
        elongation of these cells.    This results in the plant bending toward the light.   (5.) the light side of the
        plant stem and causes reduction in the sizes of those cells.    This results in the plant bending toward
        the light.

14.   Which has a dominant gametophyte generation?   (1.) mosses  (2.) diploid spores   (3.) Protists
        (4.) slime mold   (5.) apple trees

15.    The reproductive organ of the angiosperm is the  (1.) seed  (2.) leaf   (3.) stem   (4.) flower  (5.) root

Link to reproduction and development in plants practice test answers