MDCAT Biology Chapter 3 MCQ's Test With Answers

MDCAT Biology Chapter 3 MCQ's Test

Sr. # Questions Answers Choice
1 Fungi obtain their food by direct absorption from the immediate environment and are thus: Ingestive heterotrophs Phototrophs Absorptive heterotrphs None
2 All fungal nuclei are haploid except for transient dipoles: Spores Zygote Conidia Zygospores
3 Hyphae may be packed together and organized to form complex reproductive structure such as: Mushrooms Puff balls Morels All a, b, c
4 The hyphae which lack septa and are in the form of an elongated multinucleated large cell are called: Septate hyphae Coenocytic hyphae Non-septate hyphae Both b & c
5 chitin in the walls of fungi is more resistant to: Decay pH Temperature Moisture
6 Mycologists are scientists who study: Mucus Algae Protists Fungi
7 Fungi, in their cell wall, contain: Pectin Lignin Chitin Cellulose
8 Penicillium is also source of antibiotic: Tetracycline Penicillin Cyclosporine Streptomycin
9 The number of species of organisms called "fungi" which are known, are approximately: 100,000 100,00 100,0 100
10 --------------ferment carbohydrate (glucose) to ethanol and carbon dioxide. Mushrooms Yeasts Alternaria Penicillium
11 ------------ are ecologically very important as bio-indicators of air pollution. Lichens Predators Mycorrhizae Commensals
12 The fungi involved in --------are mostly Ascomycetes and imperfect fungi, and few Basidiomycetes. Mycorrhizae Predation Lichens Commensalism
13 Some species of ---------- trap soil nematodes by forming constricting ring. Amanita Penicillium Aspergillus Arthrobotrys
14 --------fungi, along with bacteria are the major decomposers of the biosphere. Saprobic Saprophytic Both a and b Heterotrophic
15 Rhizopus is example of group---------of fungi. Basidiomycota Zygomycota Ascomycota Deuteromycota
16 Most sac-fungi have asci inside macroscopic fruiting bodies called: Basidia Ascosphores Ascodiua Ascocarps
17 In Basidiomycota four haploid sexual spores, called the-------, are borne on each basidium. ascospores Conidiophores Basidiospores Zygospores
18 Fungi store surplus food usually as lipid droplets or glycogen in the: Spore Mycelium Stolon Sporangiospore
19 ---------- is simple breaking of mycelium of some fungal hyphae. Budding Hormogonium Fragmentation Karyogamy
20 ------------is used to relieve one kind of headache migraine. Ergotine Aflatoxin Griseofulvin Penicillin
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