BSc Botany Sem I 2023 2024 Dec 2024 & BOTANY I Question Paper - Mumbai University | munotes

Questions asked in this paper

• 3. Figures to the right indicate full marks

1. Q1 A. Choose the correct option & rewrite the statements: 10 marks
   • 1. shaped chloroplast observed in Spirogyra
   • 2. Nostoc shows type of relationship with other plants
   • 3. When both the gametes are dissimilar in morphological and physiological condition, then it is called as reproduction
   • 4. Asexual reproduction in Rhizopus is by the formation of
   • a. Chlamydospores Aplanospores c. d. All of the above is commonly known,as black bread mould
   • 6. Absorptive heterotrophic mode of nutrition is
   • a.aseptate and b.aseptate and and d.septate and
   • 8. are also known as amphibians of the plant kingdom flask shaped in Riccia
   • 10. There are number of flagella in antherozoids of Riccia
2. Q1 B Answer the following in one sentence 10 marks
   • a. Explain isogamous type of reproduction
   • b. Nostoc belongs to which family?
   • c. Which class of fungi shows zygospore formation?
   • d. Which fungi is called a Sac- fungi?
   • e. Types of rhizoids in Riccia BOTANY - | SEMESTER MARKS-100 DURATION - 3 HRS
3. Q2 Answer the following questions (ANY TWO) 20 marks
   • a. Enlist the characteristics of Chlorophyta
   • b. Write down the Systematic position of Nostoc with reasons and add a note on its Cell
   • c. Describe the Scalariform conjugation of Spirogyra
   • d. Enlist the Ecological importance of Algae
4. Q3 Answer the following questions (ANY TWO) 20 marks
   • a. Explain the general Characteristics of Phycomycetes.
   • b. Describe the structure of Aspergillus with a suitable diagram
   • c. Write Economic importance of Fungi
   • d. Explain the life cycle of Rhizopus
5. Q4 Answer the following questions (ANY TWO) 20 marks
   • a. Explain with the help of a diagram, how two generations alternate with each other in
   • b. External structure of Riccia of thallus in Riccia
   • d. Distinguishing characters of class Hepaticae
6. Q5 Short Notes (ANY FOUR) 20 marks
   • a. Asexual reproduction in Nostoc
   • b. Types of reproduction in Chlorophyta
   • c. Stolons
   • d. Ascocarp
   • e. How does Riccia reproduce vegetatively?
   • f. Archegonium in Riccia

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