BSc Biotechnology Sem III 2014 2015 2015 Paper Ll Question Paper - Mumbai University | munotes

Questions asked in this paper

1. Q2 All questions are compulsory Answer the following (any 4) (8M)
2. Q1 Name the three laws proposed by Gregor Mendel
3. Q2 Phenotype and Genotype
4. Q3 Monohybrid cross
5. Q4 Give one of Incomplete Dominance 5, Difference between dominant trait and recessive trait
6. Q6 Give two examples of a Dihybrid cross
7. Q7 Define a Gene, Where is it present 7 marks
8. Q8 A homozygous dominant pink flower is crossed with a homozygous white flower, Depict the Write the genotypic and phenotypic ratio
   • (B) Explain the following : (any 3) (6M) 1, Name the 3 traits studied by Mendel in pea plant
9. Q2 Define Epistasis. Give phenotypic number in recessive epistasis 3, In pumpkins ,orange colour is dominant to green. Suppose a pumpkin plant homozygous for orange is crossed with one homozygous for yellow Determine the appearance of (a) F1 (b) F2 generation. Give its phenotypic and
10. Q4 Explain with an example Co- Dominance
    • (C) Answer in brief: (any 1) (6M) 1, Law of segregation. Give an example with a dihybrid cross (smooth seeds, green colour &wrinkled seeds, yellow colour ) with 9:3:3:1 ratio
11. Q2 Explain Maternal effects seen in coiling of snails
12. Q1 (A) Answer the following: (any 4) (8M)
13. Q1 Name the Phases of a Cell cycle ;
14. Q2 What are Prokaryotes? What are its subtypes
15. Q3 What is Supercoling? Give its types
16. Q4 Define Conjugation 5, Name the cells in which Meiosis occurs,
17. Q7 Draw structure of a Prokaryotic Genome,
    • (B) Explain the following: (iy
18. Q1 Organization of prokaryotic genome with a diagram
19. Q2 Define Transformation
20. Q3 What are AND Strains?
21. Q4 Draw the Structure of a Chromosome swer in brief :( any 1) (6M) Answer the following: (Any 4) (8M) Name and explain any 2 proteins of plasma membrane Explain importance of plasma proteins ‘and explain any one mechanism of transport of ions against their Diagrammatically explain Exocytosis
    • (B) Answer the following: (any 2) (6M) What is Passive
22. Q2 Explain transport of Ca 4 ture of Haemoglobin
23. Q4 What YOU bo (B-1) Explain the following: (any 1)
24. Q1 Define Chromatin
25. Q2 Why are genes present as clusters in the Prokaryotic genome? (B-2) Answer the following: (any 3) (3M)
26. Q1 Name the five major classes of Histones
27. Q2 Abbreviation of SARS
28. Q3 Name the 30 nm fiber called which has 6 nucleosomes joined it
29. Q4 Name the two cycles in which phages convert
30. Q5 Name the chromosomes responsible for sex determination in humans
31. Q6 Name the enzyme responsible for unwinding of DNA (C-1) Explain the following: (any 1) (2M)
32. Q1 Channel proteins (C-2) Name the following: (any 3)
33. Q2 Name the transport mechanism which involves ATP hydrolysis
34. Q3 Name the molecule that inhibits haemoglobin protein, Name the molecules which diffuse readily ‘oss plasma membrane
35. Q6 Name any one transport mechanism which i volves

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