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MCQs

Total Questions : 572 | Page 7 of 58 pages
Question 61. If entire cell or organism show response to stimulus of light, phenomenon is
  1.    chemo tactic movement
  2.    photo tactic movement
  3.    sleep movements
  4.    rapid movements
 Discuss Question
Answer: Option B. -> photo tactic movement
Answer: (b).photo tactic movement
Question 62. Compact bone constitutes outer shell and provides attachment site for
  1.    tissue
  2.    cell
  3.    cartilage
  4.    muscle
 Discuss Question
Answer: Option D. -> muscle
Answer: (d).muscle
Question 63. Passive movements of chloroplast is an example of positive tactic movement due to
  1.    oxygen fixation
  2.    CO2 fixation
  3.    cyclosis
  4.    nitrogen fixation
 Discuss Question
Answer: Option C. -> cyclosis
Answer: (c).cyclosis
Question 64. Major role in movements in plants is of
  1.    auxin indole acetic acid
  2.    acetic acid
  3.    indole acid
  4.    auxin acetic
 Discuss Question
Answer: Option A. -> auxin indole acetic acid
Answer: (a).auxin indole acetic acid
Question 65. Growth of roots towards water is positive hydrotropism if it grows towards
  1.    soil
  2.    water
  3.    nutrients
  4.    sun
 Discuss Question
Answer: Option B. -> water
Answer: (b).water
Question 66. Chemotropism response is seen in
  1.    hyphal
  2.    fungi
  3.    virus
  4.    bacteria
 Discuss Question
Answer: Option C. -> virus
Answer: (c).virus
Question 67. Bones are hard due to presence of
  1.    calcium
  2.    vitamin-D
  3.    calcium phosphate
  4.    magnesium
 Discuss Question
Answer: Option C. -> calcium phosphate
Answer: (c).calcium phosphate
Question 68. Liver-worts, mosses, ferns move towards archegonia following stimulus of
  1.    heat
  2.    nucleic acid
  3.    spores
  4.    chloroplast
 Discuss Question
Answer: Option B. -> nucleic acid
Answer: (b).nucleic acid
Question 69. Sponge bone comprises of cells
  1.    osteoblast
  2.    osteocyte
  3.    osteoclast
  4.    All of the Above
 Discuss Question
Answer: Option D. -> All of the Above
Answer: (d).All of the Above
Question 70. Endoskeleton is made up of
  1.    bones
  2.    cartilage
  3.    muscles
  4.    Both a and b
 Discuss Question
Answer: Option D. -> Both a and b
Answer: (d).Both a and b

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