Botany-CPMT MCQ Questions and Answers

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Q11
One of the important evolutionary features of alternation of generation from algae to flowering plants is-
  • A Gradual elaboration of sporophyte
  • B Gradual elaboration of gametophyte
  • C Gradual elaboration of both sporophyte and gametophyte
  • D Elimination of sporophyte
Answer: Option A
Q12
Circular DNA is found in-
  • A Chloroplasts
  • B Mitochondria
  • C Bacteria
  • D All of the above
Answer: Option D
Q13
Which of the following respiratory substrates has the highest value of respiratory quotient ?
  • A Glucose
  • B Protein
  • C Fats
  • D Malic acid
Answer: Option D
Q14
Who described mitochondria as bioplast ?
  • A Altmann
  • B Waldayer
  • C Kollikar
  • D Hanstein
Answer: Option A
Q15
Which of the following statements is/are correct regarding microtubules ?
  • A They are about 200 A° to 270 A° in external diameter having an electron dense wall some 50A° to 70A° thick
  • B They can be considered as the universal components of eukaryotic cells
  • C They are usually found in rotating conditions
  • D All of the above statements are correct
Answer: Option D
Q16
The term ‘chromatophore’ was coined by-
  • A Garner and Allard
  • B W. Pfeffer
  • C Nawaschin
  • D Schmitz
Answer: Option D
Q17
Phytotron is a device by which-
  • A Plants are grown in controlled environment
  • B Leaf fall occurs on abscission layer
  • C Mutations are produced in plants especially during spores formation
  • D Protons are liberated after photosynthesis
Answer: Option A
Q18
Annual (growth) rings are formed by the activity of-
  • A Xylem
  • B Phloem
  • C Both (A) and (B)
  • D Cambium
Answer: Option D
Q19
The chief components of Hill’s reaction used in Blackmann’s reactions are-
  • A ATP and ADP
  • B ATP and NADPH2
  • C NADP and ADP
  • D ATP and NADH2
Answer: Option B
Q20
The process of the escape of liquid from the tip of uninjured leaf is called-
  • A Transpiration
  • B Osmosis
  • C Guttation
  • D Evaporation
Answer: Option C

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