Download PTU B.Sc Agriculture 2019 May 1st Semester 72214 BIOLOGY I Question Paper

Download PTU (Punjab Technical University) BSc Agriculture 1st Semester 72214 BIOLOGY I Last 10 Years 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011 and 2010 Previous Question Papers.

1 | M-72214 (S2)-2593
Roll No. Total No. of Pages : 02
Total No. of Questions : 09
B.Sc. Agriculture (2014 & Onwards) (Sem.?1)
BIOLOGY-I
Subject Code : BSAG-106b
M.Code : 72214
Time : 3 Hrs. Max. Marks : 60
INSTRUCTIONS 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
1. Write briefly :
a) Viruses are living organisms. Justify.
b) Fungi are not only our foes, but friends also. Justify.
c) Casparian strips.
d) Triple fusion.
e) Floral diagram of Hibiscus.
f) How annual rings help in calculating age of a plant?
g) Importance of leaf modifications to the plant.
h) Micropyle.
i) ?Flower is a modified shoot?. Comment.
j) Economic importance of Acacia.
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1 | M-72214 (S2)-2593
Roll No. Total No. of Pages : 02
Total No. of Questions : 09
B.Sc. Agriculture (2014 & Onwards) (Sem.?1)
BIOLOGY-I
Subject Code : BSAG-106b
M.Code : 72214
Time : 3 Hrs. Max. Marks : 60
INSTRUCTIONS 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
1. Write briefly :
a) Viruses are living organisms. Justify.
b) Fungi are not only our foes, but friends also. Justify.
c) Casparian strips.
d) Triple fusion.
e) Floral diagram of Hibiscus.
f) How annual rings help in calculating age of a plant?
g) Importance of leaf modifications to the plant.
h) Micropyle.
i) ?Flower is a modified shoot?. Comment.
j) Economic importance of Acacia.
2 | M-72214 (S2)-2593
SECTION-B
2. Explain types of ovules found in angiosperms along with their diagram.
3. What are Simple tissues? Explain its types along with diagrams.
4. Explain the sex organs in Bryophytes.
5. Racemose Inflorescence.
6. Describe the androecium of Graminaeae and Rutaceae.

SECTION-C
7. Differentiate between the anatomy of dicot root and dicot stem. Explain their vascular
tissue in detail along with diagram.
8. What are distinguishing characters of family Rosaceae? Give botanical names of any five
plants and economic importance of the family.
9. Explain the process of Seed Germination. Also give the structure of Maize seed.








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page of Answer Sheet will lead to UMC against the Student.
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