Veer Narmad South Gujarat University 2011-2nd Year B.Sc Botany SB-0707 : - 4 ( New ) - Question Paper

SB-0707

Second Year B. Sc. Examination March / April - 2011 Botany : Paper - IV

(New Course)

3 Hours]

[Total Marks : 70

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Name of the Examination :

S. Y. B. Sc.

Name of the Subject:

Botany : P-4 (New)

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ENGLISH VERSION

Instructions : (1) As per the instruction no. 1 of page no. 1.

(2)    Answer the questions with neat and labelled diagram.

(3)    Figures to the right indicate full marks of the question.

1 Give very short answers as directed :    15

(i)    Give definition of Respiration.

(ii)    What is photoperiodism ?

(iii)    Give the importance of vernalin.

(iv)    What is seed Germination ?

(v)    Which are Insectivorous plants ? Give Examples.

(vi)    What is absolute humidity ?

(vii)    Define : Pedology.

(viii)    What are Epiphyte plants ?

(ix)    What is soil erosion ?

(x)    Give the scientific name of sugarcane and wheat.

detail the anomalous secondary growth in Bignonia and salvadora.

OR

Explain the external and internal structure of breathing 10 root and leaf of Avicenia and indicate the ecological adaptation found with the reference to its habitate.

3 Describe the ultrastructure of mitochondria.    10

OR

3    Describe :    10

(i)    Methods for Breaking the seed Dormancy.

(ii)    Long day and short-day plants.

4    Explain the factors that cause soil erosion.    10

OR

4    Write short notes :    10

(i)    Damvel

(ii)    Function of chloroplast.

5    Describe the origin, distribution, various methods    10 of cultivation and uses of Rice.

OR

5 Explain the crossing-over in detail and give its significance. 10

6 Describe : (any three)    15

(i)    Aerobic respiration

(ii)    Practical application of vernalization

(iii)    Nepenthes

(iv)    Light as a ecological factor

(v)    Minor forest products of Gujarat

(vi)    Sickel cell anemia.

SB-0707]    3    [ 800 ]

Attachment: veer-narmad-south-gujarat-university-2011-b-sc-botany-28515-1.pdf

Earning:   Approval pending.