Download PTU B.Sc-BT 2020 March 6th Sem 47073 Plant Biology Question Paper

Download PTU (I.K. Gujral Punjab Technical University Jalandhar (IKGPTU) B.Sc. in Biotechnology 2020 March Previous Question Papers

1 | M - 4 7 0 7 3 ( S 2 ) - 2 0 9 7
Roll No. Total No. of Pages : 02
Total No. of Questions : 09
B.Sc.(BT) (2014 to 2017) (Sem.?6)
PLANT BIOLOGY
Subject Code : BSBT-304
M.Code : 47073
Time : 3 Hrs. Max. Marks : 60
INSTRUCTION TO CANDIDATES :
1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks
each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students
have to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students
have to attempt any TWO questions.

SECTION-A
Q1. Define :
a) Induced mutations
b) Cryopreservation
c) Embryo Rescue
d) Somaclonal Variations
e) Agar cultures
f) Cryoprotectants
g) Anther culture
h) Germplasm
i) Micropropagation
j) Callus
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1 | M - 4 7 0 7 3 ( S 2 ) - 2 0 9 7
Roll No. Total No. of Pages : 02
Total No. of Questions : 09
B.Sc.(BT) (2014 to 2017) (Sem.?6)
PLANT BIOLOGY
Subject Code : BSBT-304
M.Code : 47073
Time : 3 Hrs. Max. Marks : 60
INSTRUCTION TO CANDIDATES :
1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks
each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students
have to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students
have to attempt any TWO questions.

SECTION-A
Q1. Define :
a) Induced mutations
b) Cryopreservation
c) Embryo Rescue
d) Somaclonal Variations
e) Agar cultures
f) Cryoprotectants
g) Anther culture
h) Germplasm
i) Micropropagation
j) Callus
2 | M - 4 7 0 7 3 ( S 2 ) - 2 0 9 7
SECTION-B
Q2. Discuss the somatic embryo genesis and its advantages.
Q3. What are virus free plants?
Q4. What are artificial seeds? What are their advantages?
Q5. Write about the homozygous lines.
Q6. How adventitious buds are induced?

SECTION-C
Q7. Describe large scale culture and the problems associated with large scale Culture of plant
cells.
Q8. Define Virus Indexing. How virus free stocks are maintained. Give their applications and
limitations.
Q9. What do you know about the following :
a) Recovery of interspecific hybrids.
b) Analytical breeding and production of only male population.






NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any
page of Answer Sheet will lead to UMC against the Student.

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