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MCQs

Total Questions : 189 | Page 14 of 19 pages
Question 131. Undigested particles are eliminated from the cell through the ___________________
  1.    gullet
  2.    contractile vacuole
  3.    cytoproct
  4.    cell membrane
 Discuss Question
Answer: Option C. -> cytoproct
Answer: (c).cytoproct
Question 132. Which of the following comprises large cone-shaped protozoa?
  1.    Didinium
  2.    Vorticella
  3.    Stentor
  4.    Colpoda
 Discuss Question
Answer: Option C. -> Stentor
Answer: (c).Stentor
Question 133. What is the shape of Paramecium?
  1.    circular
  2.    slipper-like
  3.    spindle shaped
  4.    irregular
 Discuss Question
Answer: Option B. -> slipper-like
Answer: (b).slipper-like
Question 134. During binary fission in Paramecium, the rear daughter cell receives a new gullet?
  1.    True
  2.    False
  3.    May be
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 135. Holozoic nutrition is characterized by
  1.    phagocytosis of solid nutrients and subsequent formation of phagocytic vacuoles
  2.    pinocytosis of solid nutrients and subsequent formation of phagocytic vacuoles
  3.    phagocytosis of soluble nutrients and subsequent formation of phagocytic vacuoles
  4.    photosynthesis
 Discuss Question
Answer: Option A. -> phagocytosis of solid nutrients and subsequent formation of phagocytic vacuoles
Answer: (a).phagocytosis of solid nutrients and subsequent formation of phagocytic vacuoles
Question 136. Which of the following is least likely to get in or on a protozoan such as a diplomonad or trichomonad?
  1.    Flagella
  2.    More than one nucleus
  3.    Genes to produce a cyst form
  4.    Rigid polysaccharide cell wall
 Discuss Question
Answer: Option D. -> Rigid polysaccharide cell wall
Answer: (d).Rigid polysaccharide cell wall
Question 137. Protozoa have several types of vacuoles.The function of a contractile vacuole is to
  1.    maintain osmotic balance by continuous water expulsion
  2.    creates sites of food digestion
  3.    contain specific enzymes that perform various functions
  4.    have sites for photosynthesis
 Discuss Question
Answer: Option A. -> maintain osmotic balance by continuous water expulsion
Answer: (a).maintain osmotic balance by continuous water expulsion
Question 138. Number of motility structures on flagellated cells is
  1.    greater than ciliated cells
  2.    lesser than ciliated cells
  3.    equal to ciliated cells
  4.    none of these
 Discuss Question
Answer: Option B. -> lesser than ciliated cells
Answer: (b).lesser than ciliated cells
Question 139. Protozoa are generally not
  1.    multicellular
  2.    microscopic
  3.    lacking cell walls
  4.    eukaryotic
 Discuss Question
Answer: Option A. -> multicellular
Answer: (a).multicellular
Question 140. Members of which phylum of Protozoa are being considered as biological control agents for certain insects?
  1.    Microspora
  2.    Sarcomastigophora
  3.    Apicomplexa
  4.    all of these
 Discuss Question
Answer: Option A. -> Microspora
Answer: (a).Microspora

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