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Micro Organism (Virus, Bacteria, Algae, Fungi) MCQ

147 MCQ questions with answers and explanations · page 5 of 6

Test yourself▶ 25 question test▶ 50 question test

Q101. Which of the following do not have chlorophyll ?

  1. AAlgae
  2. BBryophytes
  3. CPteridophytes
  4. DFungi
Show answer & explanation

Answer: D) Fungi

Q102. Yeast differ from bacteria in being………..

  1. AMulticellular
  2. BProkeryotic
  3. CEukaryotic
  4. DUnicellular
Show answer & explanation

Answer: C) Eukaryotic

Q103. Fungi used in baking industry -

  1. ASaccharomyces cerevisiae
  2. BSchizosaccharomyces
  3. CSaccharomyces ellipsoideus
  4. DRhizopus stolonifer
Show answer & explanation

Answer: A) Saccharomyces cerevisiae

Q104. Penicillium is a-

  1. AVirus
  2. BAlgae
  3. CFungi
  4. DBacteria
Show answer & explanation

Answer: C) Fungi

Q105. Which of the following is also algae ?

  1. ACyanobacteria
  2. BGreen bacteria
  3. CRhodospirillum
  4. DPurple bacterio
Show answer & explanation

Answer: A) Cyanobacteria

Q106. The antibiotic penicillin was first discovered by -

  1. ALouis Pasteur
  2. BRobert Koch
  3. CAlexzander Fleming
  4. DS.Waksman
Show answer & explanation

Answer: C) Alexzander Fleming

Q107. Ergotism is caused due to -

  1. ARhizobium
  2. BClaviceps
  3. CPhytomonas
  4. DAlbugo
Show answer & explanation

Answer: B) Claviceps

Q108. On industrial penicillin is obtain from -

  1. APenicillium notatum
  2. BPenicillium chrysogenum
  3. CPenicillium griseofulvum
  4. DPenicillium roqueforti
Show answer & explanation

Answer: B) Penicillium chrysogenum

Q109. ln bakery when yeast is added in Kneaded flour it become soft and spongy due to -

  1. AYeast produce benzoic acid
  2. BProduction of CO2 makes the bread spongy
  3. CYeast makes the flour soft
  4. DYeast produce acetic acid and alcohol which makes the bread soft
Show answer & explanation

Answer: B) Production of CO2 makes the bread spongy

Q110. Vegetative reproduction in yeast is by -

  1. ABudding
  2. BAcinate
  3. CAplanospores
  4. DAscospores
Show answer & explanation

Answer: A) Budding

Q111. Which of the following is edible fungi ?

  1. AMucor
  2. BPenicillium
  3. CAgaricus
  4. DRhizopus
Show answer & explanation

Answer: C) Agaricus

Q112. LSD is obtained from -

  1. ABacteria
  2. BFungi
  3. C2, 4-D
  4. DAlcohol
Show answer & explanation

Answer: B) Fungi

Q113. Antibiotic which was discovered first-

  1. ATeramycin
  2. BNeomycin
  3. CPenicillin
  4. DStreptomycin
Show answer & explanation

Answer: C) Penicillin

Q114. Yeast is an important source of -

  1. AVitamin C
  2. BVitamin-B
  3. CVitamin -A
  4. DVitamin -D
Show answer & explanation

Answer: B) Vitamin-B

Q115. Streptomycin is first obtained by-

  1. ALeeuwenhoek
  2. BWorkholder
  3. CA.Fleming
  4. DWaksman
Show answer & explanation

Answer: D) Waksman

Q116. Which of these algae is rich in protein ?

  1. AOscillatoria
  2. BChlorella
  3. CSpirogyra
  4. DUlothrix
Show answer & explanation

Answer: B) Chlorella

Q117. Red rot of sugarcane is caused by -

  1. AColletotrichum falcatum
  2. BCercospora personata
  3. CAlternaria alternata
  4. DPhytophthora infestans
Show answer & explanation

Answer: A) Colletotrichum falcatum

Q118. Streptomycin is obtained from -

  1. AVirus
  2. BBacteria
  3. CAlgae
  4. DFungi
Show answer & explanation

Answer: B) Bacteria

Q119. Yeast is used in bakery in the preparation of bread because -

  1. Alt make on bread hard
  2. Blt make bread soft and spongy
  3. Clt increase the food value of bread
  4. Dlt keep the bread freah
Show answer & explanation

Answer: B) lt make bread soft and spongy

Q120. The disease Athlete's foot is caused by-

  1. ABacteria
  2. BFungi
  3. CProtozoa
  4. DNematod
Show answer & explanation

Answer: B) Fungi

Q121. Which of the following fungi make symbiotic relationship with the root of higher plant ?

  1. ALichen
  2. BMycorrhizae
  3. CCoralloid root
  4. DBio fertilizer
Show answer & explanation

Answer: B) Mycorrhizae

Q122. Aflatoxins are produced by-

  1. AFungi
  2. BBacteria
  3. CAlgae
  4. DViruses
Show answer & explanation

Answer: A) Fungi

Q123. Fungi used in the preparation of bread-

  1. AAcetobacter
  2. BPenicillium
  3. CSaccharomyces
  4. DAspergillus
Show answer & explanation

Answer: C) Saccharomyces

Q124. Lichens are constituted by-

  1. AFern and fungi
  2. BAlgae and Bryophyta
  3. CBacteria and Virus
  4. DFungi and Algae
Show answer & explanation

Answer: D) Fungi and Algae

Q125. Lichens are indicator of -

  1. AAir pollution
  2. BWater pollution
  3. CSoil pollution
  4. DRadiation pollution
Show answer & explanation

Answer: A) Air pollution

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