B.Sc-B.Sc Chemical Technology 1st Sem Morphology, Seed Development,Testing for Cultivar Genuineness(University of Pune, Pune-2013)

                           F.Y. B.Sc. (Vocational)

SEAT No. :

[Total No. of Pages : 2

Morphology, Seed Development,Testing for Cultivar Genuineness

and Plant, Breeding for Crops Improvement

(Paper - I) (2008 Pattern)

Time : 3 Hours]

Instructions to the candidates:

1) All questions are compulsory.

2) Figures to the right indicate full marks.

3) Draw neat labeled diagrams wherever necessary.

Q1) Attempt the following:

[Max. Marks :80

[8 x 2 = 16]

a) b) c) d) e) f)

g) h)

Enlist any two agencies of allogamy.

What is a seed?

Define polyembryony.

Enlist any two types of dehiscent fruits.

What is plant breeding?

Give any two merits of mass selection.

What do you mean by breeding for disease resistance? Define selfing.

Q2) Attempt any four of the following:                                                   [4 x 4 = 16]

a)

b) c) d) e) f)

Sketch, label and describe the T.S. of typical anther.

Give the distinguishing characters of family Malvaceae. Explain grow out test in cotton.

Define a clone. Give the characters of a clone.

Describe the development of double cross hybrid.

Describe any two modes of natural vegetative propagation.

P.T.O.

Q3) Write notes on any four of the following:                                       [4 x 4 = 16]

a) b) c) d) e) f)

Parts of a typical flower.

Distinguishing characters of family Liliaceae. Criteria for harvesting of fruits and seeds. Classification of mutation.

Characters of pureline selection. Somaclonal variation.

Q4) Attempt any two of the following:                                                    [2 x 8 = 16]

a) b)

c)

d)

Describe the development of dicotyledonous embryo.

What is megasporangium? Describe the development of female

gametophyte.

State and explain the law of independent assortment with a suitable

example.

What is introduction? Give the objectives and types of introduction.

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