Botany-3 BS 3 Semester/Term PU — University of the Punjab 2013
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BS ZOOLOGY first semester Animal diversity ZOOL 101 - university of Punjab 2025
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Literary criticism
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this paper consists of 60 marks but now we have 35 marks paper.
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Can you please tell me more past papers please because my exams are starting from next week
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Did you provide the past papers of the science of society uos?
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Paper text
UNIVERSITY OF THE PUNJAB
Third Semester 2013
Examination: B.S. 4 Years Programme
PAPER: Botany-III (Cell Biology, Genetics and Evolution) TIME ALLOWED: 2 hrs & 30 mins.
Course Code: BOT-21300 / BOT-201 MAX. MARKS: 50
Attempt this Paper on Separate Answer Sheet provided.
(SUBJECTIVE PART)
NOTE: Attempt all questions.
SHORT QUESTIONS (20 Marks)
NOTE: ATTEMPT ALL QUESTIONS
Q. No. 1. How Plesiomorphy differs from Apomorphy?
Q. No. 2. What is PIC? Describe its main functions?
Q. No. 3. Briefly discuss various protocols regarding Genetic Engineering?
Q. No. 4. Differentiate between the following terms (14 Marks)
i) Homology and Homoplasy
ii) Transduction and Transformation
iii) Monoploidy and Diploidy
iv) Tonoplast and Phragmoplast
v) Protoplast and Protoplasm
vi) Plasmodesmata and Lomasomes
vii) Test Cross and Back Cross
LONG QUESTIONS (30 Marks)
NOTE: ANSWER THE FOLLOWING QUESTIONS. ALL QUESTIONS CARRY
EQUAL MARKS.
Q1. Describe in detail the variations in CHROMOSOME structure and arrangement.
Q2. How CROSSING OVER differs from the GENETIC LINKAGE? Discuss.
Q3. What is CELL WALL? Describe different types of cell walls and their functions in the
organisms.
Q4. What is CELL CYCLE? Write down the processes of MITOTIC CYCLE.
Q5. Discuss in detail the 2nd LAW OF INDEPENDENT ASSORTMENT. What are the
limitations in its applicability?
Q6. Describe any two of the followings:
i) CYTOPLASMIC INHERITANCE
ii) GENE MUTATION
iii) MITOCHONDRIA AND ITS FUNCTIONS
