Zygomycetes (Phycomycetes)

Q.

What are three examples of Basidiomycetes?

Q.

In which fungi plasmogamy is followed by karyogamy?

Q. Members of phycomycetes are found in:
(i) Aquatic habitats
(ii) On decaying wood
(iii) Moist and damp places
(iv) As obligate parasites on plants

Choose from the following options.

1. Only (i)
2. (ii) and (iii)
3. All of the above
4. (i) and (iv)

Q.

Explain the difference between filamentous and non filamentous

Q.

Is hydra a unicellular organism or a multicellular organism?

Q. Which class of fungi shows a coenocytic mycelium as one of its characteristic features?

1. Basidiomycetes
2. Deuteromycetes
3. Phycomycetes
4. Ascomycetes

Q.

Is Isogametes seen in Fucus?

Q.

What is macrocyclic rust?

Q.

What is the difference between basidiomycetes and Deuteromycetes?

Q. Which of the following is the correct scientific name of common or bread wheat derived by binominal nomenclature?

1. Triticum vulgare
2. Triticum aestivum
3. Oryza sativa
4. Zea mays

Q. Chlorella, Chlamydomonas, Chara, Volvox, and Spirogyra belong to the class Chlorophyceae.

1. True
2. False

Q. Conjugation in Mucor leads to the formation of

1. akinete
2. basidiospore
3. zygospore
4. zoospore

Q.

Is yeast an enzyme?

Q.

Which fungi belong to Phycomycetes?

Q.

Are Deuteromycetes Septate or Aseptate?

Q. Draw the sketches of a zoospore and a conidium. Mention two dissimilarities between them and at least one feature common to both structures.

Q. Which of the following pairs is incorrectly matched?

1. Chlorophyceae – Cell wall is made up of cellulose
2. Chlorophyceae – Major pigments are chlorophyll a and b
3. Phaeophyceae – Cell wall is made up of cellulose and algin
4. Rhodophyceae – Stored food is mannitol

Q. Cellulose digestion in termites is carried out by

1. Monocystis
2. Trichomonas
3. Trichonympha
4. Lophomonas

Q.

Are conidia produced from a single fungus genetically identical?

Q.

Name any two edible ascomycetes.

Q.

̌Which is of the following statements is incorrect about fungi?

1. Morels and truffles are delicacies that can be eaten.

2. Many alkaloids including LSD can be found in Claviceps.

3. Conidia and ascospores are formed exogenously and endogenously, respectively.

4. Yeasts have filamentous bodies with long hyphae that look like threads.

Q. The fungal components of lichens are mostly

1. basidiomycetes
2. ascomycetes
3. Fungi Imperfect
4. zygomycetes

Q.

Syngamy is more commonly known as -

1. Parthenogenesis

2. Karyogamy

3. Fertilization

4. Plasmogamy

Q.

How do euglenoids reproduce?

Q.

Members of phycomycetes

(i) exhibit asexual reproductions by zoopores and aplanospores

(ii) exhibit sexual reproduction by isogamy, anisogamy and oogamy

(iii) have aseptate and coenocytic mycelium

(iv) found in aquatic habitats on decaying wood, moist and damp places or as obligate parasites

1. all of the above

2. (i) and (ii)

3. (ii) and (iii)

4. none of these

Q. Floridean starch is stored food material of:

1. Porphyra
2. Fucus
3. Spirogyra
4. Ectocarpus

Q. Phytophthora infestans causes :

1. Wilt in tomato
2. Blight in potato
3. Canker
4. Crown gall

Q.

How does Nostoc reproduce by heterocysts?

Q. Which of the following algae grow to great heights?

1. Gracilaria
2. Kelps
3. Porphyra
4. Polysiphonia

Q.

In Rhizopus, tubular thread-like structures bearing sporangia at their tips are called

1. Filaments

2. Hyphae

3. Rhizoids

4. Roots