BIOTECHNOLOGY (Old),2014 Question Paper,Solapur University Question Paper,B.Sc. (Part – I) (Semester – I),

Solapur University Question Paper
B.Sc. (Part – I) (Semester – I) Examination, 2014
BIOTECHNOLOGY (Old)
Basic Biotechnology – I
Day and Date : Friday, 6-6-2014 Max. Marks : 50
Time : 3.00 p.m. to 5.00 p.m.
 N.B. : 1) All questions are compulsory.
2) Figures to the right indicate full marks.
3) Draw neat and labelled diagram wherever necessary.
1. Rewrite the following sentences by using the correct alternative given below : 10
1) The term heterosis for first time was coined by _______________
a) G. H. Shell b) Mendel
c) Darwin d) Colreuter
2) Synthetic seed is produced by encapsulating somatic embryo with
_______________
a) Sodium alginate b) Sodium nitrate
c) Sodium acetate d) Sodium sulphate
3) Triploid plants can be generated from _______________
a) embryo b) endosperm c) pollen d) leaf
4) _______________ is the objective of plant breeding.
a) Low productivity b) GM crops
c) Higher yield d) Transgenic plants
5) Anther culture was first performed in _______________
a) Capsella b) Sunflower
c) Oil palm d) Datura
SLR-D – 4 -2-
6) Regeneration of somatic embryo is generally induced by _______________
a) low concentration of 2, 4 – D b) high concentration of 2, 4 – D
c) low concentration of BAP d) high concentration of BAP
7) In plants, embryo rescue is adopted for overcoming _______________
a) Histocompatibilities
b) Prezygotic fertilization barrier
c) Culture induced chromosomal abnormalities
d) Postzygotic fertilization barrier
8) Induction of polyploidy by colchicine was first discovered by
_______________
a) Blackeslee b) Mendel
c) S. J. Swaminathan d) Albert Howard
9) Ability of a plant cell to develop into a whole plant is called as _______________
a) regeneration b) organogenesis
c) totipotency d) Pleuripotency
10) _______________ is a plant breeder, approaching the problems of cultivated
plant species in terms of diversity.
a) Hammer b) Vavilor
c) Hawkes d) McCorriston
2. Answer any five : 10
1) Genetic variability
2) Differentiation
3) Synthetic seed
4) Triploids
5) Embryo culture
6) Genes.
-3- SLR-D – 4
3. A) Answer any two : 6
1) Heterosis
2) Pollen culture
3) Somatic embryos.
B) Explain the method of production of haploid plants. 4
4. Answer any two : 10
1) Explain the method of organogenesis.
2) Describe the methods of reproduction in self pollinated crop plants.
3) What is somatic embryogenesis ? Add a note on induction of somatic embryo.
5. Answer any two : 10
1) Describe the factor affecting seed setting after invitro pollination.
2) Write a note on ethics of biotechnology.
3) Explain the expression of non-embryonic genes.
_

Share This