1. Which of the following has non-flagellated isogamous gametes?
- Spirogyra
- Chlamydomonas
- Volvox
- Fucus
Answer: Spirogyra
2. What is the mode of sexual reproduction in Chlorophyceae?
- oogamous
- anisogamous
- isogamous
- all of the above
Answer: all of the above
3. Mycology is related to the study of
- Virus
- Human cells
- Bacteria
- Fungi
Answer: Fungi
4. Nutritionally Albugo is
- saprophyte
- facultative saprophyte
- obligate parasite
- More than one of the above
Answer: obligate parasite
5. Symbiosis between honey bee and flowers is an example of _________
- Obligative symbiosis
- Facultative symbiosis
- Commensalism
- Parasitism
Answer: Obligative symbiosis
6. During reproduction of fungus through fragmentation, ______
- Mycelium separates into pieces which in turn form new one
- Germ cells separate into pieces which in turn form new one
- Zoospores are formed which further germinates to form new mycelium
- Zygospores are formed which further germinates to form new mycelium
Answer: Mycelium separates into pieces which in turn form new one
7. Which one of the following is a colonial alga?
- Ulothrix
- Spirogyra
- Volvox
- Chlorella
Answer: Volvox
8. What is the shape of chloroplast in Chlamydomonas?
- cup-shaped
- spiral
- stellate
- collar-shaped
Answer: cup-shaped
9. In which of the following, asexual reproduction takes place by means of Conidia, borne at the tip of the hyphae ?
- Yeast
- Mucor
- Albugo
- Penicillium
Answer: Albugo
10. Which among the following statements are incorrect?
- Some parasitic fungi can cause disease in humans
- Lichens are an example of obligative symbiosis
- Lice in humans are example for endo-symbiosis
- Cell wall of fungi is made of polysaccharides
Answer: Lice in humans are example for endo-symbiosis
11. Mannitol is a reserved food found in
- Gracillaria
- Porphyra
- Chara
- Fucus
Answer: Fucus
12. Lichens are __________
- symbiotic existence of blue-green algae and fungi
- symbiotic existence of rhizobium bacteria in the roots of leguminous plants
- co-existence of coral reef with zooxanthellae
- existence of mycorrhiza along with leguminous plants
Answer: co-existence of coral reef with zooxanthellae
13. Diploid cell refers to __________
- two set of chromosomes in a cell
- germ cells in an organism
- single set of chromosomes
- double-membraned nuclei
Answer: single set of chromosomes
14. Which of the following shows zygotic meiosis?
- Chlamydomonas
- Marchantia
- Funaria
- Fucus
Answer: Chlamydomonas
15. Which among the following is not a mode of asexual reproduction?
- Budding
- Fragmentation
- Zoospores
- Zygospores
Answer: Zygospores
16. Coenocytic means _______
- sharing of common cytoplasm
- removal of plasma membrane
- sharing of common nucleus
- sharing of common hyphael wall
Answer: sharing of common cytoplasm
17. Which of the following contains chlorophyll a, d, phycoerythrin and phycocyanin?
- Chlorophyta
- Phaeophyta
- Rhodophyta
- Bacillariophyta
Answer: Rhodophyta
18. According to five kingdom system which characteristics placed the fungi in a separate kingdom?
- Cell wall structure
- Nuclear membrane
- Nutrition
- All of the above
Answer: All of the above
19. Budding is ________
- sexual mode of reproduction
- an asexual mode of reproduction where an outgrowth from the parent splits to form the daughter organism
- an asexual mode of reproduction where the parent organisms splits into fragments and then develops into a new organism
- an asexual mode of reproduction where cytoplasm and nuclei splits into two equal parts to form two daughter nuclei
Answer: an asexual mode of reproduction where an outgrowth from the parent splits to form the daughter organism
20. Find the incorrect statement
- Agar-agar is produced from Gracilaria
- Chlorella is used in space food
- Mannitol is a food reserve of Rhodophyceae
- Algin is produced by algae
Answer: Mannitol is a food reserve of Rhodophyceae
21. Early blight of Potato is caused by
- Alternaria solani
- Phytophthora infestans
- Synchytrium equdobioticum
- Pytheium aphanidermatum
Answer: Alternaria solani
22. Which among the following is incorrect about Dikaryon?
- Dikaryon is formed by fusion of two nuclei
- Dikaryon is haploid nuclei formed due to fusion of two nuclei
- It further undergoes meiosis to form haploid cells
- Dikaryon is formed only during adverse environmental conditions
Answer: Dikaryon is haploid nuclei formed due to fusion of two nuclei
23. Karyogamy means ______
- fusion of nuclei
- removal of cell wall
- formation of new cell wall
- division of nucleus
Answer: fusion of nuclei
24. Ulothrix produces
- isogametes
- heterogametes
- anisogametes
- basidiospores
Answer: isogametes
25. Which of the following is rich in protein?
- Ulothrix
- Spirogyra
- Nostoc
- Chlorella
Answer: Chlorella
26. Which among the following statements are incorrect about Fungi?
- All the fungi are multi-cellular organisms except yeast
- Fungi are heterotrophic and are either parasitic or saprophytic
- Fungi prefer cold-dry conditions to grow
- Fungi are immobile and this is the major difference between slime molds and that of fungi
Answer: Fungi prefer cold-dry conditions to grow
27. In which of the following, asexual reproduction takes place by means of Conidia, borne at the tip of the hyphae ?
- Yeast
- Penicillium
- Albugo
- More than one of the above
Answer: Penicillium
28. What is common among bacteria, mosses and fungi?
- Its mode of nutrition
- Presence of cell wall
- Autotrophic
- More than one of the above
Answer: Presence of cell wall
29. What is common among bacteria, mosses and fungi?
- Its mode of nutrition
- Presence of cell wall
- Autotrophic
- Body Organization
Answer: Presence of cell wall
29. Dikaryotisation (n + n) in Agaricus is brought about by
- Clamp connections
- Somatogamy between two hyphae of different strains
- Basidiospores
- Both (1) and (2) are correct
Answer: Both (1) and (2) are correct
31. Early blight of Potato is caused by
- Alternaria solani
- Phytophthora infestans
- Synchytrium equdobioticum
- More than one of the above
Answer: Alternaria solani
32. What is common among bacteria, mosses and fungi?
- Its mode of nutrition
- Presence of cell wall
- Autotrophic
- More than one of the above
Answer: Presence of cell wall
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