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BOTANY MCQs

Total Questions : 82 | Page 7 of 9 pages
Question 61. Water in plants is trans-ported by
  1.    xylem
  2.    epidermis
  3.    phloem
  4.    cambium
 Discuss Question
Answer: Option A. -> xylem




Question 62. Paddy straw is stiff because of
  1.    silica
  2.    stone cells
  3.    hard fibres
  4.    collenchyma
 Discuss Question
Answer: Option A. -> silica




Question 63. What is a nucleoside?
  1.    Purine + sugar + phosphate
  2.    purine/pyramidine + phosphate
  3.    purine/pyramidine + sugar
  4.    Pyramidine + purine + phosphate
 Discuss Question
Answer: Option C. -> purine/pyramidine + sugar
Question 64. The final c acceptor in mitochondrial electron transport chains is:
  1.    NAD+
  2.    FAD
  3.    H2O
  4.    None of these
 Discuss Question
Answer: Option D. -> None of these
Question 65. Water movement from cell to cell through plasmadesmata is:
  1.    Apoplastic
  2.    Transmembrane
  3.    Facilitated
  4.    Symplastic
 Discuss Question
Answer: Option A. -> Apoplastic
Question 66. In which family, basal placentation is found?
  1.    Asteraceae
  2.    Fabaceae
  3.    Malvaceae
  4.    Solanaceae
 Discuss Question
Answer: Option A. -> Asteraceae
Question 67. Method of water exudation through hydathodes is called__________:
  1.    Evaporation
  2.    Transpiration
  3.    Guttation
  4.    Bleeding
 Discuss Question
Answer: Option C. -> Guttation
Question 68. Which of the following organism breathes from skin?
  1.    Humans
  2.    Earthworm
  3.    Snake
  4.    Monkey
 Discuss Question
Answer: Option B. -> Earthworm
Question 69. In-Plant tissues, the cell walls of _____ are coagulated by 'suberin 'which makes them impervious to gas and water molecules
  1.    Phloem fibres
  2.    Cork
  3.    Epidermis
  4.    Stomata
 Discuss Question
Answer: Option B. -> Cork
Question 70. The outer whorl is called the ________, and consists of the sepals
  1.    Gynaecium
  2.    Corolla
  3.    Calyx
  4.    Androecium
 Discuss Question
Answer: Option C. -> Calyx

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