Past Paper Punjab University 2010 BSC Botany Paper C
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UNIVERSITY OF THE PUNJAB 2010
Subject: BOTANY (New Course) (BSC)
Time: 3 Hrs Paper: C
Attempt FIVE questions selecting at least TWO from each section.
Question # 1
(A) Describe briefly the structure and functions of Lipids.
(B) What are Nucleic Acids? What role do they play in nature? Describe briefly.
Question # 2
(A) Discuss briefly the physicochemical nature of cytoplasm.
(B) Give the ultra-structure and functions of Mitochondria.
Question # 3
(A) How does Mitosis differ from Meiosis?
(B) Give an account of Meiosis I. What is the outcome of Meiosis?
Question # 4
(A) What are various chromosomal abnormalities and what is their significance in nature?
(B) Differentiate between the followings:
i: Deficiency and Duplication.
ii: Inversion and translocation.
Question # 5
(A) What are Proteins? Give their significance.
(B) Describe what is meant by primary, secondary, tertiary and quaternary organization of protein macromolecules.
Question # 6
(A) Differentiate between Code and Codon. What is the significance of anticodon and where is it located?
(B) How gene expression is regulated? Describe briefly.
Question # 7
(A) Give a note on Darwin’s theory of evolution.
(B) What is genetic conservation? How can we achieve conservation of genetic material? Discuss briefly.
Question # 8
(A) Give a brief description of physical and chemical mutagens.
(B) Give a note on plant breeding techniques.
Question # 9
Define Linkage and Crossing-over. How linkage maps are constructed? How is linkage detected?
Question # 10
(A) What is Mendelian inheritance? Describe laws of Independent Assortment and Segregation.
(B) What is Hybridization? Write a brief note on plant breeding techniques.