Botany-CPMT MCQ Question and Answer

Botany-CPMT MCQ Question and Answer
61. Circular DNA is found in—
  • Chloroplasts
  • Mitochondria
  • Bacteria
  • All of the above
Show Answer
62. Which of the following respiratory substrates has the highest value of respiratory quotient ?
  • Glucose
  • Protein
  • Fats
  • Malic acid
Show Answer
63. Who described mitochondria as bioplast ?
  • Altmann
  • Waldayer
  • Kollikar
  • Hanstein
Show Answer
64. Which of the following statements is/are correct regarding microtubules ?
  • They are about 200 A° to 270 A° in external diameter having an electron dense wall some 50A° to 70A° thick
  • They can be considered as the universal components of eukaryotic cells
  • They are usually found in rotating conditions
  • All of the above statements are correct
Show Answer
65. The term ‘chromatophore’ was coined by—
  • Garner and Allard
  • W. Pfeffer
  • Nawaschin
  • Schmitz
Show Answer
66. Phytotron is a device by which—
  • Plants are grown in controlled environment
  • Leaf fall occurs on abscission layer
  • Mutations are produced in plants especially during spores formation
  • Protons are liberated after photosynthesis
Show Answer
67. Annual (growth) rings are formed by the activity of—
  • Xylem
  • Phloem
  • Both (A) and (B)
  • Cambium
Show Answer
68. The chief components of Hill’s reaction used in Blackmann’s reactions are—
  • ATP and ADP
  • ATP and NADPH2
  • NADP and ADP
  • ATP and NADH2
Show Answer
69. The process of the escape of liquid from the tip of uninjured leaf is called—
  • Transpiration
  • Osmosis
  • Guttation
  • Evaporation
Show Answer
70. The primitive type of stomata are found in—
  • Leaves of moss plants
  • Xerophytic leaves
  • Apophysis of capsule
  • Dorsiventral leaves of monocot
Show Answer
Questions and Answers for Competitive Exams Various Entrance Test