Botany-CPMT MCQ Questions and Answers

Practice Mode
Showing 10 of 79 questions
Q21
The primitive type of stomata are found in-
  • A Leaves of moss plants
  • B Xerophytic leaves
  • C Apophysis of capsule
  • D Dorsiventral leaves of monocot
Answer: Option C
Q22
Long dark periods of short day plants (SDPs), if interrupted by a brief exposure of red light (660 µ) the flowering is-
  • A Inhibited
  • B Vigorous
  • C Promoted
  • D None of the above
Answer: Option A
Q23
Number of chromatids per chromosome complex at metaphase is-
  • A Two in mitosis and one in meiosis
  • B Two in mitosis and four in meiosis
  • C Four in mitosis and two in meiosis
  • D Two in both mitosis and meiosis
Answer: Option B
Q24
The dark staining region in a chromosome is called-
  • A Euchromatin
  • B Heterochromatin
  • C Paracentric
  • D Pericentric
Answer: Option B
Q25
Plastids are not found in-
  • A Gram positive bacteria
  • B Gram negative bacteria
  • C Fungi
  • D All of the above
Answer: Option D
Q26
The number of chromosomes in Pinus pollen grain in 12, the number of chromosomes in the endosperm of its own is-
  • A 6
  • B 12
  • C 24
  • D 36
Answer: Option B
Q27
During protein synthesis in prokaryotes, the initiation of polypeptide chain is induced by-
  • A Serine
  • B Lysine
  • C Methionine
  • D Leucine
Answer: Option C
Q28
In Oxalis, the flowers open in the morning and close during evening because of-
  • A Phototropism
  • B Phototaxis
  • C Photonasty
  • D Nyctinasty
Answer: Option C
Q29
Conjoint, collateral, open and endarch vascular bundles are found in-
  • A Dicot root
  • B Dicot stem
  • C Monocot root
  • D Monocot stem
Answer: Option B
Q30
Spraying of DDT produces pollution of-
  • A Air only
  • B Airal water
  • C Air and soil
  • D Air, water and soil
Answer: Option D

📚 More from General Science

← All Topics 🎯 Practice ⏱️ Take Test 🔍 Search
General Science
Back to General Science
Other Subjects
Questions and Answers for Competitive Exams Various Entrance Test