These seeded vascular plants have two cotyledons and branching veins. a. Gymnosp
ID: 70937 • Letter: T
Question
These seeded vascular plants have two cotyledons and branching veins.
a. Gymnosperms
b. Lycophytes
c. Monocots
d. Eudicots
e. Rhizoids
2. Some cyanobacteria have these structures that fix atmospheric nitrogen into ammonia.
a. heterocysts
b. nematocysts
c. endospores
d. bacteriophage
e. proteobacteria
3. Which of the following is NOT part of the plant shoot system?
a. stems
b. roots
c. flowers
d. leaves
e. all of these are parts of the shoot system
3. The tissues of the root and shoot system include
a. ground tissue.
b. dermal tissue.
c. vascular tissue.
d. all of the above
e. none of the above
4. A cotyledon is which of the following?
a. embryonic root
b. seed cover
c. flower part
d. seed leaf
e. fruit
5. Most of the plant body is composed of
a. dermal tissue.
b. root tissue
c. ground tissue.
d. cutical
e. cork tissue.
6. Which is true about Stomata?
a. are found in the root cells.
b. may be found scattered anywhere throughout the plant.
c. allow the movement of gases into and out of plants.
d. cause the excessive loss of water from plants.
e. are more numerous on the upper surface of most leaves than on the lower surface.
7. The movement of organic compounds in phloem is described as
a. passive transport.
b. pressure flow.
c. cohesion-tension.
d. active transport.
e. transpiration pull.
8. Pollen grains germinate
a. in the style.
b. in the ovule.
c. on the stigma.
d. at the micropyle.
e. in the ovary.
9. “Double fertilization” produces nutrient tissue by the union of
a. two diploid zygotes
b. two haploid zygotes.
c. a diploid zygote and a triploid endosperm.
d. a triploid endosperm and a mother cell.
e. none of the above.
10. The plant hormone involved with stimulating germination
a. abscisic acid.
b. auxin.
c. gibberellin.
d. ethylene.
e. none of these.
11. The plant hormone is produced by damaged cells and inhibits cell division
a. auxin.
b. gibberellin.
c. cytokinin.
d. abscisic acid.
e. ethylene.
12. Photoperiodism is the
a. duration of flowering in a plant.
b. amount of light needed by a plant to exhibit normal growth.
c. response of a plant to the duration of light and darkness.
d. light phase of photosynthesis during which photolysis of water occurs.
e. opposite of photorespiration.
13. Which of the following is true about a corn plant
a. is an example of a monocot.
b. is an example of a eudiocot.
c. has leaf veins froming a netlike array
d. Vascular bundles arrangedin a circle along the inside of the stem.
e. None of the above.
14. Which of the following result in secondary growth that thickens older stems and roots?
a. lateral meristems.
b. apical meristems.
c. growth of buds
d. all of the above
e. none of the above
15. Of the simple plant tissues, which is a living cell and makes most primary growth?
a. collenchyma.
b. parenchyma.
c. Sclerenchyma.
d. all of the above.
e. none of the above.
16. Which of the following conducts sugars and other organic solutes in the plant?
a. xylem.
b. tracheids.
c. phloem.
d. vessel members.
e. none of the above
Explanation / Answer
1) The answer is "d" that is Eudicots.
2)The answer is "a" that is heterocysts.
3)The answer is "b" that is roots.
3)The answer is "d" that is all of the above.
4)The answer is "d" that is seed leaf.
5)The answer is "c" that is ground tissue.
6)The answer is "c" that is allow the movement of gases in to and out of the plants.
7)The answer is " "b" that is pessure flow.
8)The answer is "c" that is on the stigma.
9)The answer is "e" that is none of the above because endosperm is produced due to fusion of a sperm nuclei with central cell or polar nuclei
10)The answer is "c" that is Giberellin.
11)The aswer is "d" that is abscisic acid.
12)The answer is "c" that is response of a plant to the duration of light and dark.
13)The answer is "a" that is it is an example of monocot.
14)The answer is "a" that is lateral meristems
15)The answer is "b" that is parenchyma.
16)The answer is "c" that is Phloem.
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