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

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

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Q126. Litmus paper used in laboratory obtained from -

  1. AGreen algae
  2. BBlue-green algae
  3. CLichen
  4. DFungi
Show answer & explanation

Answer: C) Lichen

Q127. ln lichen symbiotic relationship between fungi and algae is called-

  1. AHalotism
  2. BParasitism
  3. CSaprophytism
  4. DNone of these
Show answer & explanation

Answer: A) Halotism

Q128. Lichen which grow on the bark of tree-

  1. ASaxicoles
  2. BCorticoles
  3. CParmelia
  4. DAscocoles
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Answer: B) Corticoles

Q129. Lichen which grow on stones are called-

  1. ASaxicoles
  2. BCorticoles
  3. CSexotelus
  4. DAscocoles
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Answer: A) Saxicoles

Q130. The smallest prokaryotic organism is Known-

  1. AMicrocystis
  2. BMycoplasma
  3. CBacteria
  4. DChlorella
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Answer: B) Mycoplasma

Q131. Medicine for epilepsy is obtain from which of the following lichen ?

  1. ALobaria
  2. BRoccella
  3. CParmelia
  4. DEvemia
Show answer & explanation

Answer: C) Parmelia

Q132. Which of the following is used as bio-fertilizer?

  1. AColastridum
  2. BUrea
  3. CAzola
  4. DBaggase
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Answer: C) Azola

Q133. Growth of virus occur in………

  1. ADead body
  2. BLiving call
  3. CWater
  4. Dln sugar solution
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Answer: B) Living call

Q134. Micro-organism are found in…….

  1. ASalted water
  2. BSandy soil
  3. CMarshy soil
  4. DAll above
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Answer: D) All above

Q135. Which of the following is one of the commercial product obtained from gelidium and Gracilaria and are used to grow microbes and preparation of ice-cream and jellies ?

  1. AAgar
  2. BChlorella
  3. CSpirullina
  4. DGymnosperm
Show answer & explanation

Answer: A) Agar

Q136. Which one of following is commonly known as pond silk?

  1. ASpirogyra
  2. BRhizopus
  3. CYeast
  4. DUlothrix
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Answer: A) Spirogyra

Q137. ………are chlorophyll bearing,simple, thalloid, autotrophs are largely aquatic (both fresh water and marine water) organism .

  1. APteridophytes
  2. BBryophytes
  3. CAlgae
  4. DGymnosperm
Show answer & explanation

Answer: C) Algae

Q138. Microbial fuel cells are considered a source of substainable energy. Why? 1. They use living organisms as catalysts to generate electricity from certain substracts. 2. They use a variety of inorganic materials as substrates. 3. They can be installed in waste water treatment plants to cleanse water and produce electricity. Which statements given above is/are correct ?

  1. A1 only
  2. B2 and 3 only
  3. C1 and 3 only
  4. D1, 2 and 3
Show answer & explanation

Answer: B) 2 and 3 only

Q139. Dog bite can cause rabies. Which among the following other animals can also cause rabies?

  1. ADonkey
  2. BBat
  3. CHorse
  4. DCrocodile
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Answer: B) Bat

Q140. Penicillin is isolated from…..

  1. AFungi
  2. BAlgae
  3. CVirus
  4. DBacteria
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Answer: A) Fungi

Q141. Which micro organism causes Hepatitis B?

  1. AVirus
  2. BProtozoa
  3. CBacteria
  4. Dss
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Answer: A) Virus

Q142. Which of the following statements regarding viruses is not true?

  1. AViruses need living cells to reproduce
  2. BAll viruses are parasite
  3. CViruses can synthesize their food through photosynthesis
  4. DViruses are similar to chemical substances outside the
Show answer & explanation

Answer: A) Viruses need living cells to reproduce

Q143. Which of the following does not have any enzyme in its cells?

  1. ALichen
  2. BVirus
  3. CBacteria
  4. DAlgae
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Answer: B) Virus

Q144. ln which of the following type of organism autotrophic nutrition is found ?

  1. AFungi
  2. BVirus
  3. CProtozoa
  4. DBacteria
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Answer: D) Bacteria

Q145. Which of the following statements about living and non-living being is /are correct ? 1. While living being can demonstrate growth and repair , non-living being cannot. 2. While living being demonstrates metabolic processes non-living being does not. Select the correct answer using the code given below.

  1. A1 only
  2. B2 only
  3. CBoth 1 and 2
  4. DNeither 1 nor 2
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Answer: C) Both 1 and 2

Q146. How does an unicellular rproduce ?

  1. ACell division
  2. BCell reproduction
  3. CCell synthesis
  4. DFragmentation
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Answer: B) Cell reproduction

Q147. ……..are chlorophyll- bearing, simple,thalloidautotrophic and largely aquatic (both fresh water and marine ) organisms.

  1. APteridophytes
  2. BBryophytes
  3. CAlgae
  4. DGymnosperms
Show answer & explanation

Answer: C) Algae

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