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‫جامعة بنها‬
‫كلية العلوم‬
‫قسم النبات‬
‫امتحان مقرر مورفولوجى نبات‬
‫المستوى الثانى شعبة ميكروبيولوجى وكيمياء‬
2012 ‫يناير‬22 ‫تاريخ اإلمتحان األحد‬
‫ محمد عبدالسالم على محمد الجاللى‬/‫الممتحن د‬
Benha University
Faculty of Science
Botany Department
2nd. Level (Microbiology & Chemistry.)
Plant Morphology
Final Examination.
22 Jan. 2012
‫اإلجابة مظللة باللون األصفر‬
Answer the following questions:
I- Choose the correct answer:
1- A velamen tissue which is the spongy structure is present in ………….
a- the contractile roots.
b- the aerial roots.
c- the haustorial roots.
d- the prop roots.
2-Lateral roots arise from …………………… of the permanent zone.
a- epidermis
b- vascular cylinder
c- cortex
d- pith
3- The mature fertilized ovule is ……………………..
a- the fruit.
b- the seed.
c- the flower.
d- the bud.
4- Seed of Chenopodium is :
a- exendospermic.
b- endospermic.
c- perispermic.
d- albuminous.
5- Seed coat is hygroscopic in:
a- Linum seeds.
b- broad bean seeds.
c- maize grains.
d- cotton seeds.
6- Respiration process in the plant is the main function of………….
a- root.
b- leaf.
c- stem.
d- rhizome.
7- Napiform type of plant roots belongs to ………………
a- primary roots.
b- adventitious roots.
c- aerial roots.
d- haustorial roots.
8- Seed coat elongates into hairs in :
a- cotton seeds.
b- broad bean seeds.
c- maize grains.
d- Linum seeds.
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9- The subterranean stems are normally grow ………………
a- under the soil surface.
b- above the soil surface.
c- under the water surface.
d- above the water sufface.
10- Haustorial roots are specialized absorbing organs of …………….
a- epiphytic plants.
b- symbiotic plants.
c- parasitic plants.
d- saprophytic plants.
11- The lower portion of the embryo axis from which the root system is formed, is …
a- the radicle.
b- the plumule.
c- the hilum.
d- the micropyle.
12- - During seed germination, the physical changes takes place for ………..
a- dead seeds only.
b- living seeds only.
c- both dead and living seeds.
d- none of the above.
13- Cystase enzyme acts on …………………
a- cellulose.
b- starch.
c- hemicellulose.
d- fats.
14- The differentiation of the embryo into the different organs is called ………
a- growth.
b- germination.
c- development.
d- dormancy.
15- A scare marking the place of funiculus attachement to the ovule is known as ….
a- hilum.
b- radicle pocket.
c- micropyle.
d- scutellum.
16- What of the following is the external necessities for seed germination ?
a- longevity and viability.
b- oxygen and temperature.
c- embryo and seed coat dormancy. d- none of the above.
17- Some roots perform other functions than the main ones such as ………
a- anchorage.
b- absorbtion.
c- reproduction.
d- both a & b.
18- The corm is a swollen subterranean stem, e.g. ……………… plant.
a- Sugar cane
b- potato
c- sweet potato
d- taro
19- In the following, there are some stem functions, what is the modified one?
a- bearing the different vegetative organs.
b- conduction of the soil solution and the prepared food.
c- photosynthesis and storage.
d- none of the above.
20- The embryonic shoot bud which grows into the shoot system is called ………..
a- the radicle.
b- the flower.
c- the plumule.
d- the cotyledon.
21- The root hairs arise from ……………….. of the root system.
a- the growing point.
b- the absorbing zone.
c- the permanent zone.
d- the elongation zone.
22- Adventitious buds not arise in a normal position on the plant, but they develop on
a- stem.
b- root.
c- leaves.
d- both b & c.
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23- In the seed stage, there are a plant structures called the seed leaves which are the
a- plumule.
b- radicle.
c- cotyledons.
d- seed coat.
24- The plant organ which is usually grows against gravity is ……….
a- the aerial stem.
b- the subterranean stem.
c- the root.
d- all the above.
Best wishes
Dr. Mohammed A. Elgalaly
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