Which of the following is the characteristic feature of ascomycetes
(a)Hyphae (b)Spores
(c)Zoospores(d)Ascospores
Answer. (d)In ascomycetes, diploid nucleus divided by meiosis and then by mitosis to form 8 (sometimes only 4) haploid ascospores. These sexually produced ascospores remain inside the sac like structure called ascus.
(a) Aseptate and multinucleate (b) Septate and multinucleate (c) Aseptate and uninucleate (d) Septate and uninucleate Answer. (b) The mycelium of Aspergillus consist of branch septate hyphae. Cells of hyphae are multinucleate. (183)
(a) Parenchyma (b) Chlorenchyma (c) Plectenchyma (d) Collenchyma Answer. (c) Plectenchyma (Pseudoparenchyma) is nothing but the interwoven mass of fungal mycelium which in cross-section look like parenchyma. (104)
(a) Colletotrichum falcatum (b) Phytophthora infestans (c) Potato mosiac virus (d) Alternaria solani Answer. (b) Late blight of potato is a seed born disease which is caused by Phytophthora infestans. The disease is characterised by brownish to blackish dead areas …
