BSc Botany Sem III 2022 2023 Oct 2023 BOTANY II Question Paper - Mumbai University | munotes

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1. Q1 All questions are compulsory
2. Q2 Figures to right indicate full marks
3. Q3 Draw neat and labeled diagrams wherever necessary
4. Q1 A Choose the correct option from the following 10 marks
5. Q1 The site of aerobic respiration in eukaryotic
6. Q3 contains Uridine, it is a
7. Q4 Select the type of inversion, if the inverted segment includes the region of the centromere
8. Q5 Inheritance of streptomycin resistance or sensitivity in Chlamydomonas is an example of
9. Q6 is an example of hermaphrodite plant having bisexual flowers is an example of heterogametic females which shows the ZZ-ZO mechanism of sex determination
10. Q9 During replication, Okazaki fragments on tiie strand
    • a. Leading b. Lagging c. Dispersive d. None of the above
11. Q10 Which of the following enzymes separates the two strands of DNA during replication? £SYBSC SEMIII BOTANY Il 100 MARKS 3 hours
12. Q1 B Answer the following in one /two sentences each 10 marks
    • a. What is a cell cycle?
    • b. Give the types of DNA
    • c. What is Sex-influenced inheritance? give an example
    • d. What is the sex of the drosophila if the ratio is 1, 0.5, between 0.5 to 1, and above 1”
    • e. State the role of enzyme Ligase in DNA Replication
13. Q2 Answer any two from the following 20 marks
14. Q1 Differentiate between Mitosis and Meiosis
15. Q2 What is RNA? Explain types of RNA
16. Q3 Explain Ultrastructure of Mitochondria with a neat and labeled diagram
17. Q4 What are peroxisomes? Explain their structure in detail
18. Q3 Answer any two from the following 20 marks
19. Q1 Explain the mechanism of males with suitable examples
20. Q2 Concerning chromosomal aberrations give the types of deletion and duplication
21. Q3 Explain Hemophilia Genetic Inheritance,
    • a. When the father has hemophilia and the mother is unaffected
    • b. When the mother carries the altered gene causing hemophilia (carrier) and the father is
22. Q4 Carry out the following crosses to obtain percentages of progenies
    • a. Carrier and Normal male
    • b. Normal female and Colorblind male
23. Q4 Answer any two from the following 20 marks
24. Q1 Explain the DNA Replication in prokaryotes with a neat labeled diagram
25. Q2 Describe the three models of DNA replication
26. Q3 Explain the process of transcription in eukaryotes ‘ 4, Give an account of m-RNA Processing in eukaryotes
27. Q5 Write short notes on any four from the following 20 marks
    • b. Structure of Nucleus
    • f. Central Dogma of protein synthesis All the Best XXXXX

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