BSc Sem IV 2022 2023 Mar 2023 BOTANY I Question Paper - Mumbai University | munotes

Questions asked in this paper

1. Q1 All the questions are compulsory
2. Q3 Figures to the right indicate full marks
3. Q1 A Choose the correct option & rewrite the statements produce ascospores in an ascus 10 marks
4. Q2 An example of wood rotting fungi is
5. Q3 Powdery mildew fungi belong to the family 4, __ lichen is a pioneer in xerosere are vascular plants
6. Q6 In is regarded as an organ of swi-generis
7. Q7 are present in the stem of Se/aginella as endodermis
8. Q8 is the characteristic of the secondary wood of Pinus
   • a. Vessels are b. Resin ducts are c. Resin duct are d. Resin cells present absent present are present 9, Popular dry truit * Chilgoza” is produced by
9. Q10 In Coniférophyta, the Pollination is by wind i.e
10. Q1 B Answer the following in one sentence 10 marks
    • a. What is function of haustorium?
    • b. What is called acervulus?
    • c. Define :- Heterophyllum
    • d. What is condition? Explain the structure of Stem observed in Coniferophytes
11. Q2 Answer any two from the following 20 marks
    • a. With the help of neat labeled diagram explain reproduction in Erysiphe
    • b. Explain the life cycle of Xylaria
    • c. Describe the structure of lichen, and give names of its three different types. What is the nature of this fungal association?
    • d. Explain symptoms, causal organism, disease cycle and control measure of Late blight of Potato
12. Q3 Answer any two from the following 20 marks
    • a. With the help of a neat labeled diagram explain the T.S. of stem in Se/aginella
    • b. External Morphology and T.S. of stem in Selaginella VCD/ BOTANY - | SEMESTER IV MARKS — 100 DURATION 3 HRS
    • c. Enlist the different types of fossils
    • d. Explain the alternation of generation in Selaginella. Add a note on external morphology of Se/aginella
13. Q4 Answer any two from the following 20 marks
    • a. Enlist the general characteristics of Class Coniferophyta
    • b. Explain external morphology of Pinws and add a note on economic importance of it
    • c. Explain the T.S of needle of a Pinus and draw a neat labeled diagram
    • d. Explain the External morphology of Cordaites and add a note on its T.S. of Root
14. Q5 Write short notes on (any four) 20 marks
    • a. Harmful activities of Ascomycetes
    • c. Systematic position in Rhynia
    • d. Vegetative reproduction in Se/agine//u
    • e. Germination of the Pinus Seed
    • f. Explain the structure of Female Strobilus in Cordaites

Read from the scan above, so a character or two may differ. The scan is the original.