T-1/BOTT/02/08 #Botany (Elective) /P-II / 2008 /2004 Syllabus/Part-I

Full Marks 100                         Time :3 hours

The figures in the margin indicate full       marks for the questions
                Answer all the questions
Candidates are required to give their answers in their own words as far as practiable
1.Answer the following questions:1x10=10
(a) Choose the correct answer:
(i)Pappus is found in Trapa bispinosa/ Mikania cordata/ Mirabilis jalapa.
(ii) Persistent calyx is found in Raphanus sativus/ Solanum melongena/ Mimosa pudica.
(iii) Winged fruit is found in Cucurbita maxima/ Shorea robusta/Solanum indicum.
(b)Fillin the blanks: 
(i)Each unit of classification is termed as _________.
(ii)Pericarp is closely fused with seed coat in ______ type of fruit .
(c)Name a monocotyledonous plant in which secondary growth is noticed?
(d)What is meristem?
(e)What is vasculum ?
(f)In which Phytogeographical region maximum number of Rhododendron sps are found?
(g) What is 'retting'  of jute?
2. (a) What is placenta?
 How many types of placentation are found in angiospermic plant? 
With suitable sketches &  example , describe the diff.  types of placentation.
                                           1+2+(3+3+6)=15
                             Or
(b) What is fruit ? 
Describe the following types of fruit with example:
(i)Legume
(ii)Regma
(iii)Caryopsis
(iv)Sorosis
Briefly describe the contravances for cross pollination.                           2+(1.5x4)+7=15

3. (a) What is phylogenetic system of plant classification ?
 Give an outline of phylogenetic system of classification. 
What is herbarium? Describe the process of preservation of herbarium specimen .
                                                   3+7+2+3=15
                                 Or
(b) In which monocotyledonous family flowers are generally unisexual?
Describe the general characters of this family.
 Mention the fruit structure of this family. What is the role of feathery stigma and labellum in flower?         1+7+3+(2+2)=15

4. (a) Name one dicotyledonous family with apocarpous pistil .
 Characterise this family. What types of fruit are found in this family? 
Mention yhe gloral gormula, floral diagram and the nature of stamen in family Malvaceae.          1+7+2+(1(2+2)=15
                                  Or
(b) What do you mean by homologous capitulum? 
Describe the general characters of the family Solanaceae. 
Mention the oary position in Rubiaceae and Asteraceae. 
Write the binomials of the following plants:.                                     2+7+2+4=15
(i) Mustard
(ii) Tomato
(iii) Pea
(iv) Cotton

5. (a) What is stele ? Describe the different types of stele with sketches and examples
                                                       1+6+8=15
                                   Or
(b) Briefly describe the meristem on the basis of position and function.What is plasmodesmata?
 Mention the composition of primary and econdary walls. 
What is bordered pits?    (4+4)+2+3+2=15

6.(a) Write the binomial and family of tea. Where Tea Research Institute of India is located? 
Give the account of method of tea cultivation bin India. 
Write the processing of black tea.What is green tea?
Name the alkaloid present in tea.
                                           1+1+5+5+2+1=15
                                Or
 (b) Write the scientific names and families of the following plants.Mention the plant parts used and state its economoc importance:.         (1+0.5)x5+(0.5+1)x5=15
(i) Lentil
(ii) Lebbeck
(iii) Pointed Gourd
(iv) Creat
(v) Margosa tree

7. (a) What is endemism?
What are the theories of endemism? Desscribe the theories with example.
Describe the vegetation of alpine zone of Western Himalaya.          2+1+(4+5)+3=15
                            Or
(b) Name the Phytogeographical regions of India as proposed by D Chatterjee (1960) .         Give an account of the characteristic features of typical "mangrove" vegetation found in India.
    Write the binomials of three tree species found in "mangrove "  vagitation .
                                                         4+8+3=15
                  
                       ---------+x+---------

                                                          
            

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