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Class: M. Sc. Pl. Bio. & Pl. Biotech. 9A327b st. Joseph’s college (autonomous), tiruchirappalli 620 002 semester examinations – april 2009 time: 00 Hrs. Max. Marks: 100


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CLASS: M.Sc. PL.BIO. & PL.BIOTECH. 9A327B

St. JOSEPH’S COLLEGE (AUTONOMOUS), TIRUCHIRAPPALLI - 620 002

SEMESTER EXAMINATIONS – APRIL 2009

TIME: 3.00 Hrs. MAX. MARKS: 100


SEM

SET

PAPER CODE

SUBJECT

II

2008

08PPB2105

PLANT SYSTEMATICS

SECTION - A

Answer all the questions: 20 x 1 = 20

Choose the Correct Answer:


1.

Who classified plants into two main groups such as Herbae and Arborae.




a) Hutchinson b) John Ray c) de Candolle d) de Jyssieu




2.

In one of the following families the flowers are trimerous




a)

Caryophyllaceae

b)

Aizoaceae




c)

Menispermaceae

d)

Loranthaceae




3.

The field dealing with quantitative methods of classification is known as




a)

Chemotaxonomy

b)

Numerical taxonomy




c)

Biostatistics

d)

serotaxonomy




4.

The study of pollen morphology is called




a)

Palynology

b)

Embryology




c)

Floral biology

d)

Morphology




5.

The important secondary metabolites of taxonomic value include




a)

Flavonoids

b)

Alkaloids




c)

Both a and b

d)

Neither a nor b




State True or False:

6.

Engler and Prantl’s system is an example for phylogenetic system.

7.

Stamens 4, didynamous in verbenaceae.

8.

Cluster analysis is a step involved in chemotaxonomy.

9.

Branch of Botany dealing with distribution of plants on earth surface is called ecology.


10.

Proteins form the basis of all serotaxonomic studies.

Fill in the blanks:

11.

Sexual system refers to the classification proposed by ___________.

12.

Capsicum annum belongs to the family ___________.

13.

Fertilization is extraovular in the family ___________.

14.

The study of dealing with the fossil plants is called as __________.

15.

___________ a secondary metabolite is known to man mostly as medicines or drugs.


Answer in one or two sentences:

16.

What is phylogenetic system of classification?

17.

Name any two genera from menispermaceae.

18.

What is OTU?

19.

Define Karyology.

20.

What is Serology?

SECTION – B

Answer all the questions: 5 x 4= 20


21.

a.

Write an account on Monograph.







(OR)




b.

Discuss the role of herbarium in teaching and research.

22.

a.

Describe the floral characters of “Convolulaceae”.







(OR)




b.

Enumerate the economic importance of “Acanthaceae”

23.

a.

List out the important characters of “commelinacea”.







(OR)




b.

Briefly write on “Principles of numerical taxonomy”.

24.

a.

Write a short account on NPC systems of pollen classification.







(OR)




b.

What are Ecotypes? Explain.

25.

a.

Write an account on “Terpenoids”.







(OR)




b.

Bring out the any five examples of serotaxonomic work.

SECTION – C

Answer any FOUR questions: 4 x 15 = 60



26.

What is artificial system? Explain John Ray’s system. How does it differ from that of Linnaeus system?


27.

Describe the caryophyllaceae with neat sketches and add a note on its inter relationships and phylogeny.


28.

Describe cyperaceae in detail, with neat sketches.

29.

Write a detailed account on Anatomy in relation to taxonomy.

30.

Write short notes on:

i) Flavonoids ii) Alkaloids iii) Betalains



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