Which of the following is not an edible mushroom?
(1) Agaricus bispora
(2) Pleurotus ostreatus
(3) Lentinula edodes
(4) Amantia phalloides
Identify the group of fungi that is not correctly matched with all the characters given below:
1. | Phycomycetes: | Mycelium – aseptate and coenocytic / Asexual reproduction by motile zoospores or by nonmotile aplanospores / spores – endogenously produced in the sporangium |
2. | Ascomycetes: | Mycelium – unbranched and septate / Asexual spores are conidia / Conidia produced endogenously on conidiophores. |
3. | Basidiomycetes: | Mycelium–branched and septate / Asexual spores are generally not found. |
4. | Deuteromycetes: | Only the asexual or vegetative phase of these fungi are known. |
Which one single organism or the pair of organisms is correctly assigned to its or their named taxonomic group?
(1) Paramecium and Plasmodium belong to the same kingdom as that of Penicillium
(2) Lichen is a composite organism formed from the symbiotic association of an algae and a protozoan
(3) Yeast used in making bread and beer is a fungus
(4) Nostoc and Anabaena are examples of Protista
Choose the wrong statement.
1. Penicillium is multicellular and produces antibiotics.
2. Neurospora is used in the study of biochemical genetics.
3. Morels and truffles are poisonous mushrooms.
4. Yeast is unicellular and useful in fermentation.
Saprotrophs live on dead organic matter, which they utilize
(1) by phagocytosis
(2) after digestion by extracellular enzymes synthesised by them
(3) by endocytosis
(4) by pinocytosis