PPSC Lecturer Zoology Solved MCQs


Solved past paper MCQs of ppsc lecturer zoology bps-17. It would be helpful for the current candidates who applied for ppsc lecturer zoology and ppsc lecturer biology subject seats


PPSC Lecturer Zoology Solved MCQs

Select one option out of four given options

  1. Which of the statement about hair is true





  2. See answer
    The correct answer is (3)

    Like and follow our facebook page

  3. The amphibians and the ____________ represents the two major branches of the tetrapods lineage





  4. See answer
    The correct answer is (4)

    Like and follow our facebook page

  5. Approximately how many species of fish are known





  6. See answer
    The correct answer is (1)

    Like and follow our facebook page

  7. The endodkeleton of echinoderms composed of





  8. See answer
    The correct answer is (2)

    Like and follow our facebook page

  9. The first hormone that was isolated





  10. See answer
    The correct answer is (3)

    Like and follow our facebook page

  11. The ultimate source of organic variation is





  12. See answer
    The correct answer is (3)

    Like and follow our facebook page

  13. Which one of the following is the major group of green house gases





  14. See answer
    The correct answer is (1)

    Like and follow our facebook page

  15. The structure of molluscs that forms the shell and hiouses the gills is the





  16. See answer
    The correct answer is (1)

    Like and follow our facebook page

  17. In an ecosystem which one shows one way pasage





  18. See answer
    The correct answer is (4)

    Like and follow our facebook page

  19. The central fluid filled cavity of the blastula is known as





  20. See answer
    The correct answer is (2)

    Like and follow our facebook page

  21. The mammalian skull may be characterized as





  22. See answer
    The correct answer is (4)

    Like and follow our facebook page

  23. The first terrestrial tetrapods were probably the





  24. See answer
    The correct answer is (1)

    Like and follow our facebook page

  25. Which of the following phyla of animals exclusively marine





  26. See answer
    The correct answer is (3)

    Like and follow our facebook page

  27. A normal green male maize is crossed with albino female. The progeny is albino because





  28. See answer
    The correct answer is (3)

    Like and follow our facebook page

  29. Sertoli cells are found in the





  30. See answer
    The correct answer is (2)

    Like and follow our facebook page

  31. The sum total of populations of the same kind of organisms constitute





  32. See answer
    The correct answer is (3)

    Like and follow our facebook page

  33. A Molluscan shell is made of three layers arranged from the outside to the inside





  34. See answer
    The correct answer is (1)

    Like and follow our facebook page

  35. Which one of the following can achieve protection and conservation of biodiversity





  36. See answer
    The correct answer is (1)

    Like and follow our facebook page

  37. Lamarck's Theory of Organic Evolution based upon the





  38. See answer
    The correct answer is (4)

    Like and follow our facebook page

  39. Myxoedema in adult is caused due to the





  40. See answer
    The correct answer is (2)

    Like and follow our facebook page

  41. Testosterone is secreted by the





  42. See answer
    The correct answer is (2)

    Like and follow our facebook page

  43. The class name Myxini or the Hagfishes refer to their





  44. See answer
    The correct answer is (3)

    Like and follow our facebook page

  45. The earliest therians (Mammals) evolved in the





  46. See answer
    The correct answer is (2)

    Like and follow our facebook page

  47. The development of limbs probably aided the first amphibians in the





  48. See answer
    The correct answer is (3)

    Like and follow our facebook page

  49. Which of the following is odd one





  50. See answer
    The correct answer is (4)

    Like and follow our facebook page

  51. ABO Blood group system is due to the





  52. See answer
    The correct answer is (3)

    Like and follow our facebook page

  53. In human beings the eggs are





  54. See answer
    The correct answer is (3)

    Like and follow our facebook page

  55. Pyramid of numbers deal with the number of





  56. See answer
    The correct answer is (4)

    Like and follow our facebook page

  57. The morphogenetic movement change the hollow spherical blastula in to a/an





  58. See answer
    The correct answer is (2)

    Like and follow our facebook page

  59. The dominant second trophic lebvel, in a lake ecosystem is





  60. See answer
    The correct answer is (3)

    Like and follow our facebook page

  61. Which of the following classes of molluscus is thought to be the most primitive or closest to the ancestral form





  62. See answer
    The correct answer is (1)

    Like and follow our facebook page

  63. Similar niches different commonalities or in different regions are commonly occupied by species possessing similar habits, adaptations and adjustments, such species are called





  64. See answer
    The correct answer is (2)

    Like and follow our facebook page

  65. Best suited examples given in favor of Lamarckian theory are





  66. See answer
    The correct answer is (3)

    Like and follow our facebook page

  67. Diabetes mellitus is due to the deficiency of





  68. See answer
    The correct answer is (4)

    Like and follow our facebook page

  69. which of these classes are characterized with no anus, no suckers, articulated ossicles, and a madreporite on the oral surface





  70. See answer
    The correct answer is (2)

    Like and follow our facebook page

  71. The derivation of the genus name assigned to the invasive marine lampreys found in the Great Lakes refer to their





  72. See answer
    The correct answer is (3)

    Like and follow our facebook page

  73. Unlike reptiles the first mammals were characterized by the





  74. See answer
    The correct answer is (4)

    Like and follow our facebook page

  75. Some amphibians have _________________ which are pigmented cells in the skin





  76. See answer
    The correct answer is (1)

    Like and follow our facebook page

  77. The hearts of amphibians have





  78. See answer
    The correct answer is (4)

    Like and follow our facebook page

  79. Blue eye color is recessive to brown eye color. A brown eyed man whose mother was blue eyed marries a blue eyed woman. The children will be





  80. See answer
    The correct answer is (1)

    Like and follow our facebook page

  81. Implementation of blastocyst





  82. See answer
    The correct answer is (4)

    Like and follow our facebook page

  83. Which of the following structures do bivalves used in the process of digestion





  84. See answer
    The correct answer is (3)

    Like and follow our facebook page

  85. Ratios between energy flows at different points along the food chain when expressed as percentages are called





  86. See answer
    The correct answer is (2)

    Like and follow our facebook page

  87. Productivity is the organic matter produced





  88. See answer
    The correct answer is (2)

    Like and follow our facebook page

  89. Oxytocin stimulate the contraction of





  90. See answer
    The correct answer is (3)

    Like and follow our facebook page

  91. Aristotle's lantern is a complex set of ______________ used in the process of





  92. See answer
    The correct answer is (1)

    Like and follow our facebook page

  93. The structure in the intestine of chondroitin fish and some primitive osteichthyean fish that increases the surface area is the





  94. See answer
    The correct answer is (4)

    Like and follow our facebook page

  95. The animals of the colder countries have small ears, short tail and limbs to avoid more loss of heat is the theme of





  96. See answer
    The correct answer is (1)

    Like and follow our facebook page

  97. Which of the following groups of animals have cellular or unicellular body





  98. See answer
    The correct answer is (2)

    Like and follow our facebook page

  99. Which contribute to the success of Mendel





  100. See answer
    The correct answer is (2)

    Like and follow our facebook page

  101. Genetic identity of human male is determined by





  102. See answer
    The correct answer is (4)

    Like and follow our facebook page

  103. Upper part of sea or aquatic system contains





  104. See answer
    The correct answer is (1)

    Like and follow our facebook page

  105. The structure that is used for feeding in most molluscs is the





  106. See answer
    The correct answer is (2)

    Like and follow our facebook page

  107. Which one of the following pairs is not correctly matched





  108. See answer
    The correct answer is (3)

    Like and follow our facebook page

  109. Lamarck's theory of organic evolution was published in the entitled





  110. See answer
    The correct answer is (2)

    Like and follow our facebook page

  111. Metabolic rate in mammals is controlled by the





  112. See answer
    The correct answer is (2)

    Like and follow our facebook page

  113. The ambulacral groove is found between the





  114. See answer
    The correct answer is (1)

    Like and follow our facebook page

  115. The agnathans and gnathasomes branched apart most likely during the





  116. See answer
    The correct answer is (1)

    Like and follow our facebook page

  117. Many echinoderms have two parts to the stomach, these two parts are the





  118. See answer
    The correct answer is (3)

    Like and follow our facebook page

  119. Which of the following fish may be characterized as eel like, parasitic and possessing a cartilaginous skeleton





  120. See answer
    The correct answer is (3)

    Like and follow our facebook page

  121. Which of the following evolved from a group of carnivorous pelycosaurs





  122. See answer
    The correct answer is (1)

    Like and follow our facebook page

  123. The fresh water fish that survived the Devonian period possessed





  124. See answer
    The correct answer is (2)

    Like and follow our facebook page

  125. Which of the following group of animals have no parasite





  126. See answer
    The correct answer is (4)

    Like and follow our facebook page

  127. tt mates with Tt. what will be the offspring





  128. See answer
    The correct answer is (2)

    Like and follow our facebook page

  129. Fertilizin is a chemical substance produce from





  130. See answer
    The correct answer is (1)

    Like and follow our facebook page

  131. Association of animals when both partners are benefited





  132. See answer
    The correct answer is (4)

    Like and follow our facebook page

  133. The trochophore larva indicates a common ancestry for which of the following pairs





  134. See answer
    The correct answer is (1)

    Like and follow our facebook page

  135. The desert animals confined their activities during the night time because they





  136. See answer
    The correct answer is (3)

    Like and follow our facebook page

  137. The character of no shell, integumental scale, a reduced head and being dioecious describe which of the following molluscs





  138. See answer
    The correct answer is (1)

    Like and follow our facebook page

  139. What is the correct sequence of zonation in the lentic environment (i) Profundal zone (ii) Sub Littoral zone (iii) Littoral zone





  140. See answer
    The correct answer is (4)

    Like and follow our facebook page

  141. Which of the following facts make the Lamarckism doubtful





  142. See answer
    The correct answer is (4)

    Like and follow our facebook page

  143. HCG is secreted by the





  144. See answer
    The correct answer is (4)

    Like and follow our facebook page

  145. The echinoderms have developed the ability to exploit many sources of food. The sea star are ____________, the sea urchin are _______, and the sea cucumber are _________ .





  146. See answer
    The correct answer is (2)

    Like and follow our facebook page

  147. The respiratory apparatus of agnathans may be characterized by





  148. See answer
    The correct answer is (2)

    Like and follow our facebook page

  149. The early therians most resembled a small ___________.





  150. See answer
    The correct answer is (3)

    Like and follow our facebook page

  151. The first well known fossil of a tetrapods was _______________





  152. See answer
    The correct answer is (3)

    Like and follow our facebook page

  153. In the genetic cross having recessive epistasis F2 phonotypic ratio would be





  154. See answer
    The correct answer is (3)

    Like and follow our facebook page

  155. Cross between AaBB and aaBB will form





  156. See answer
    The correct answer is (1)

    Like and follow our facebook page

  157. RR (Red) antirrhinum is crossed with white one (ww). Offspring RW are pink, this is an example of





  158. See answer
    The correct answer is (2)

    Like and follow our facebook page

  159. In humans the placenta is





  160. See answer
    The correct answer is (1)

    Like and follow our facebook page

  161. Gastropoda taxonomy is currently under consideration. The traditional three sub classes are prosobranchia and two others





  162. See answer
    The correct answer is (3)

    Like and follow our facebook page

  163. The monoplacophorans were known only from the fossils record until 1952 when _____ emerged from the deep sea trawl net





  164. See answer
    The correct answer is (4)

    Like and follow our facebook page

  165. Neck and fore limbs in African giraffe increased in length as a result of





  166. See answer
    The correct answer is (3)

    Like and follow our facebook page

  167. Cushing syndrome is due to the hyper secretion of





  168. See answer
    The correct answer is (2)

    Like and follow our facebook page

  169. The larva of the lamprey is known as the





  170. See answer
    The correct answer is (3)

    Like and follow our facebook page

  171. The implied presence of sebaceous and sweat glands in early mammals signified what





  172. See answer
    The correct answer is (2)

    Like and follow our facebook page

  173. The adaptive radiations of the mammals occurred during the





  174. See answer
    The correct answer is (4)

    Like and follow our facebook page

  175. To facilitate cutaneous respiration the skin of the amphibians is





  176. See answer
    The correct answer is (2)

    Like and follow our facebook page

  177. The kidney of amphibians are





  178. See answer
    The correct answer is (3)

    Like and follow our facebook page

  179. Members of the order _____________ often produce spermatophore





  180. See answer
    The correct answer is (1)

    Like and follow our facebook page

  181. A dihybrid condition is





  182. See answer
    The correct answer is (3)

    Like and follow our facebook page

  183. Torsion is the process that rotates the __________ of the body of gastropods





  184. See answer
    The correct answer is (3)

    Like and follow our facebook page

  185. Te total output of photosynthesis, including the organic matter used up in respiration during the period of measurement is called





  186. See answer
    The correct answer is (2)

    Like and follow our facebook page

  187. In the animal kingdom several degree of interspecific interactions can be recognized, Which one of the following true for protocooperation interactions





  188. See answer
    The correct answer is (4)

    Like and follow our facebook page

  189. Which of the following concept is attributed to Lamarck





  190. See answer
    The correct answer is (1)

    Like and follow our facebook page

  191. Goitre is caused by the





  192. See answer
    The correct answer is (2)

    Like and follow our facebook page

All Answers

  1. [3]
  2. [4]
  3. [1]
  4. [2]
  5. [3]
  6. [3]
  7. [1]
  8. [1]
  9. [4]
  10. [2]
  11. [4]
  12. [1]
  13. [3]
  14. [3]
  15. [2]
  16. [3]
  17. [1]
  18. [1]
  19. [4]
  20. [2]
  21. [2]
  22. [3]
  23. [2]
  24. [3]
  25. [4]
  26. [3]
  27. [3]
  28. [4]
  29. [2]
  30. [3]
  31. [1]
  32. [2]
  33. [3]
  34. [4]
  35. [2]
  36. [3]
  37. [4]
  38. [1]
  39. [4]
  40. [1]
  41. [4]
  42. [3]
  43. [2]
  44. [2]
  45. [3]
  46. [1]
  47. [4]
  48. [1]
  49. [2]
  50. [2]
  51. [4]
  52. [1]
  53. [2]
  54. [3]
  55. [2]
  56. [2]
  57. [1]
  58. [1]
  59. [3]
  60. [3]
  61. [1]
  62. [2]
  63. [4]
  64. [2]
  65. [1]
  66. [4]
  67. [1]
  68. [3]
  69. [1]
  70. [4]
  71. [4]
  72. [4]
  73. [2]
  74. [2]
  75. [3]
  76. [3]
  77. [3]
  78. [1]
  79. [2]
  80. [1]
  81. [3]
  82. [4]
  83. [3]
  84. [2]
  85. [1]
  86. [3]
  87. [2]
  88. [4]
  89. [2]
  90. [3]
  91. [1]
  92. [3]
  93. [3]
  94. [2]
  95. [4]
  96. [1]
  97. [2]