Biology MCQs Online Quiz Test 51

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Biology 9th Class Solved MCQs Quiz Test

Q.1: Which of the following structure primarily helps in attachment of bacteria on various surfaces——?

  1. Flagella
  2. Pili
  3. Both of these
  4. None of these


Q.2: Cell wall is absent in——?

  1. Cocci
  2. Bacilli
  3. Mycobacterium
  4. Mycoplasma


Q.3: Cell wass of Archaeobacteria does not contain———–?

  1. Peptidoglycan
  2. Proteins
  3. Glycoproteins
  4. Polysaccharides


Q.4: Gram positive bacteria appear——–?

  1. Purple
  2. Red
  3. Pink
  4. Blue


Q.5: Extremely long molecule of DNA that is tightly folded to fit inside the cell component is called——-?

  1. Nucleus
  2. Chromosome
  3. Chromatid
  4. Chromatin body


Q.6: All of the following are coelomates except:——?

  1. Deuterosomes
  2. Proterosomes
  3. Hemichordates
  4. Aschelminthes


Q.7: The radial symmetry is found in the animals of——?

  1. Protozoa
  2. Porifera
  3. Cnidaria
  4. All of these


Q.8: Both radial and bilateral symmetry is found in the phylum——?

  1. Protozoa
  2. Porifera
  3. Echinodermata
  4. None of these


Q.9: Of the following which one is not the characteristic of triploblasts?

  1. All of them have blood vascular system
  2. They may be coelomate pseudocoelomate or acoelomate
  3. They are included in grade bilaterian
  4. All of them have digestive system


Q.10: Free living example of Platyhelminthes is——?

  1. Dugesia
  2. Fasciola
  3. Taenia
  4. None of these