Fungi - classes and their reproduction — practice questions

Question 1 · difficulty L1 · recall

Which fungal class includes Rhizopus?

• A. Phycomycetes
• B. Ascomycetes
• C. Basidiomycetes
• D. Deuteromycetes

Question 2 · difficulty L2 · understanding

Which feature is characteristic of ascomycetes?

• A. Sexual spores are produced inside asci
• B. Basidiospores are produced on basidia
• C. Only asexual reproduction occurs
• D. The mycelium is always aseptate

Question 3 · difficulty L2 · understanding

Why are deuteromycetes called 'imperfect fungi' in the traditional NCERT treatment?

• A. Only their asexual or vegetative phases were known
• B. They lack a cell wall
• C. They cannot form spores
• D. They are all unicellular

Question 4 · difficulty L3 · application

A fungus forms basidiospores externally on club-shaped structures. Which class does it belong to?

• A. Basidiomycetes
• B. Ascomycetes
• C. Phycomycetes
• D. Deuteromycetes

Question 5 · difficulty L3 · application

A bread mould produces sporangia containing asexual spores, and its hyphae are coenocytic and aseptate. Which group is the best fit?

• A. Phycomycetes
• B. Ascomycetes
• C. Basidiomycetes
• D. Deuteromycetes

Question 6 · difficulty L3 · understanding

Match List I with List II List - I List - II A. Rhizopus I. Mushroom B. Ustilago II. Smut fungus C. Puccinia III. Bread mould D. Agaricis IV. Rust fungus Choose the correct answer from the options given below:

• A. A-III, B-II, C-IV, D-I
• B. A-I, B-III, C-II, D-IV
• C. A-III, B-II, C-I, D-IV
• D. A-IV, B-III, C-II, D-I

Question 7 · difficulty L3 · understanding

Which one of the following is not a criterion for classification of fungi?

• A. Morphology of mycelium
• B. Mode of nutrition
• C. Mode of spore formation
• D. Fruiting body

Question 8 · difficulty L3 · understanding

Which of the following statements is correct?

• A. Some of the organisms can fix atmospheric nitrogen in specialized cells called sheath cells
• B. Fusion of two cells is called Karyogamy
• C. Fusion of protoplasm between two motile on non-motile gametes is called plasmogamy
• D. Organisms that depend on living plants are called saprophytes

Question 9 · difficulty L4 · analysis

Fungus X produces conidia exogenously and sexual ascospores inside asci. Fungus Y produces basidiospores externally but generally lacks asexual spores. Which classification is correct?

• A. X is an ascomycete and Y is a basidiomycete
• B. X is a basidiomycete and Y is an ascomycete
• C. Both are phycomycetes
• D. Both are deuteromycetes