101. Each ascus usually contains:
Answer: C. eight haploid ascospores
Biology Class 11 Unit 7: Protists and Fungi MCQs
186 multiple choice questions with the correct answer for each. Tap an option to check yourself, or switch on "Show all answers". This is page 3 of 4.
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102. Asexual spores of Ascomycota are:
Answer: B. conidia borne on conidiophores
103. Yeasts reproduce asexually by:
Answer: C. budding
104. Which of the following is an Ascomycete?
Answer: B. Yeast, Neurospora, morels and truffles
105. The fruiting body of Ascomycetes is the:
Answer: B. ascocarp
106. A dikaryotic cell has:
Answer: C. two distinct nuclei in the same cell
107. Club fungi belong to:
Answer: C. Basidiomycota
108. Mushrooms, rusts, smuts and puffballs belong to:
Answer: C. Basidiomycota
109. Sexual spores of Basidiomycota are:
Answer: D. basidiospores borne on basidia
110. The fruiting body of a mushroom is the:
Answer: B. basidiocarp
111. The thin plates on the lower side of a mushroom cap are the:
Answer: C. gills
112. Primary mycelium of Basidiomycota is:
Answer: C. monokaryotic (n)
113. Secondary mycelium of mushroom is:
Answer: B. dikaryotic (n+n)
114. Nuclear fusion in a mushroom occurs in the:
Answer: D. basidium on the gills
115. A mushroom is formed from a compact mass called a:
Answer: A. button
116. Imperfect fungi are placed in:
Answer: D. Deuteromycota
117. Imperfect fungi are so called because:
Answer: B. sexual reproduction is not known in them
118. Which is an imperfect fungus?
Answer: C. Penicillium, Aspergillus, Alternaria and Fusarium
119. Genetic recombination in imperfect fungi occurs by:
Answer: C. parasexuality
120. Yeast produces ethyl alcohol and carbon dioxide by:
Answer: C. fermentation of sugars
121. The yeast used for baking and brewing is:
Answer: B. Saccharomyces cerevisiae
122. In bread making, dough rises due to:
Answer: B. carbon dioxide gas produced by yeast
123. The hepatitis B vaccine is produced using:
Answer: B. yeast
124. Yeast is a good model organism because of its:
Answer: B. simple, well characterized genome and similarity to human genes
125. Penicillin is obtained from:
Answer: B. Penicillium chrysogenum
126. Streptomycin is obtained from:
Answer: A. Streptomyces griseus
127. Tetracycline is obtained from:
Answer: B. Streptomyces aureofaciens
128. Erythromycin is obtained from:
Answer: C. Saccharopolyspora erythraea
129. Fumigatin is obtained from:
Answer: B. Aspergillus fumigatus
130. Mutualism is the association in which:
Answer: B. both partners get benefit
131. A lichen is an association between a fungus and:
Answer: C. an alga or cyanobacterium
132. In lichens the fungus is mostly:
Answer: B. Ascomycota
133. In the lichen the photosynthetic cells are present in the:
Answer: B. middle layer, intertwined with fungal hyphae
134. Mycorrhiza is an association between fungus and:
Answer: B. roots of higher plants
135. Mycorrhiza occurs in about what percentage of higher plant families?
Answer: D. 95
136. Mycorrhizal fungi help plants absorb mainly:
Answer: B. phosphorus, zinc and copper
137. The fungus gets from mycorrhiza:
Answer: B. carbohydrates from the plant
138. Fungi that penetrate the root cells forming coils and swellings are:
Answer: B. endomycorrhizae
139. Fungi that form a protective sheath outside the root are:
Answer: B. ectomycorrhizae
140. Ectomycorrhizae are typically associated with:
Answer: C. pines and firs
141. The most commonly cultivated edible mushroom genus is:
Answer: B. Agaricus
142. The deadliest mushrooms belong to the genus:
Answer: C. Amanita
143. The "death cap" is:
Answer: C. Amanita phalloides
144. Morels and truffles belong to:
Answer: C. Ascomycota
145. Fungi act as decomposers and are important for:
Answer: B. nutrient cycling
146. Powdery mildew, chestnut blight and Dutch elm disease are caused by:
Answer: B. ascomycetes
147. Smuts and rusts of wheat and corn are caused by:
Answer: C. basidiomycetes
148. Ringworm and athlete's foot are:
Answer: B. superficial skin infections by fungi
149. Athlete's foot is caused by:
Answer: B. Tinea pedis
150. Oral thrush is caused by:
Answer: C. Candida (a yeast)
About Biology Class 11 Unit 7 MCQs (Federal Board)
These 186 Biology MCQs cover Class 11 Unit 7: Protists and Fungi of the Federal Board (FBISE) HSSC-I (1st Year / Class 11) syllabus. They are SLO-based MCQs as per the new pattern for FBISE exams. Each question has four options and the correct answer is shown, so you can practise for the annual examination and find the topics you still need to revise. The questions are split over 4 pages of 50. Use the Print button to save this chapter as a PDF.