Exam Details
| Subject | PLANT DIVERSITY-II | |
| Paper | ||
| Exam / Course | BACHELOR OF SCIENCE (B.Sc.) | |
| Department | School of Sciences (SOS) | |
| Organization | indira gandhi national open university | |
| Position | ||
| Exam Date | December, 2016 | |
| City, State | new delhi, |
Question Paper
No. of Printed Pages: 8 ILSE-lS!
BACHELOR OF SCIENCE (B.Sc.)
Term-End Examination
December, 2016
o:t.. 454 LIFE SCIENCE 13 PLANT DIVERSITY-II
Time: 3 hours Maximum Marks: 75
Note: Question no. 1 is compulsory. Attempt any five questions from questions no. 2 to 8.
1. Give the botanical name of the plant that 5x1=5
yields quinine.
produces cashew nuts.
has coralloid roots.
provides spice from bark.
yields coir.
Explain the following in one or two lines 5x1=5
Heartwood
Bulliform cells
Instant coffee
Saprophytic plant
Mycorrhiza
Fill in the blanks 5xl=5
Lateral roots have origin.
tissue provides buoyancy to the aquatic plants.
Tea bags are made from leaf fibres of .
Pneumatophores are characteristic of plants.
Brachysclereids occur In the fruit of
2. Draw well-labelled outline diagrams of any three of the following: 3x4=12
L.S. Pinus male cone
T.S. dicot root
L.S. clove flower bud
C.S. of coffee berry
3. Describe with the help of diagrams, five diagnostic floral features of family Solanaceae or Liliaceae. 6
Describe the events of pollination and fertilization in Cycas or Pinus. 6
4. Differentiate between any three of the following: 3x4=12
Parenchyma and Sclerenchyma
Black tea and Green tea
Vegetable oil and Essential oil
Monocotyledonous leaf and Dicotyledonous leaf
5. Write short notes on any three of the following: 3x4=12
Korper-Kappe Theory
Lenticel
Insects as pollinators
Medicinal uses of poppy
6. Describe various means of dispersal of fruits and seeds in angiosperms. 6
Describe the diagnostic floral features of family Cucurbitaceae or Euphorbiaceae. 6
7. Write the botanical names of any four legumes and discuss the economic importance of legumes. 6
Describe the unusual modes of nutrition in carnivorous plants. 6
8. Discuss why Gnetum is placed in gymnosperms and not in angiosperms. 6
Describe the manufacturing of sugar from sugarcane. List any four economic importances of Saccharum. 6
BACHELOR OF SCIENCE (B.Sc.)
Term-End Examination
December, 2016
o:t.. 454 LIFE SCIENCE 13 PLANT DIVERSITY-II
Time: 3 hours Maximum Marks: 75
Note: Question no. 1 is compulsory. Attempt any five questions from questions no. 2 to 8.
1. Give the botanical name of the plant that 5x1=5
yields quinine.
produces cashew nuts.
has coralloid roots.
provides spice from bark.
yields coir.
Explain the following in one or two lines 5x1=5
Heartwood
Bulliform cells
Instant coffee
Saprophytic plant
Mycorrhiza
Fill in the blanks 5xl=5
Lateral roots have origin.
tissue provides buoyancy to the aquatic plants.
Tea bags are made from leaf fibres of .
Pneumatophores are characteristic of plants.
Brachysclereids occur In the fruit of
2. Draw well-labelled outline diagrams of any three of the following: 3x4=12
L.S. Pinus male cone
T.S. dicot root
L.S. clove flower bud
C.S. of coffee berry
3. Describe with the help of diagrams, five diagnostic floral features of family Solanaceae or Liliaceae. 6
Describe the events of pollination and fertilization in Cycas or Pinus. 6
4. Differentiate between any three of the following: 3x4=12
Parenchyma and Sclerenchyma
Black tea and Green tea
Vegetable oil and Essential oil
Monocotyledonous leaf and Dicotyledonous leaf
5. Write short notes on any three of the following: 3x4=12
Korper-Kappe Theory
Lenticel
Insects as pollinators
Medicinal uses of poppy
6. Describe various means of dispersal of fruits and seeds in angiosperms. 6
Describe the diagnostic floral features of family Cucurbitaceae or Euphorbiaceae. 6
7. Write the botanical names of any four legumes and discuss the economic importance of legumes. 6
Describe the unusual modes of nutrition in carnivorous plants. 6
8. Discuss why Gnetum is placed in gymnosperms and not in angiosperms. 6
Describe the manufacturing of sugar from sugarcane. List any four economic importances of Saccharum. 6
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Subjects
- PLANT DIVERSITY-II