20. Which of the following is responsible for mechanical support, enzyme transport and protein synthesis
(a) Dictyosomes (b) Cell membrane
(c) Mitochondria (d)Endoplasmic reticulum
Ans. (d) Endoplasmic reticulum is scattered from plasma membrane to nuclear membrane, by which they provide mechanical support. Ribosomes found in surface of ER that is why, they participate in protein synthesis, they also transfer to many enzymes.
(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 …
