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PPSC · PMS Punjab 2020

Zoology, Paper I

100 marks · 3 hours · 8 questions
This paper Zoology · all yearsQ. 1 · Discuss various types of reproduction…Q. 2 · Write a note on feeding…Q. 3 · What is metamerism? Discuss its…Q. 4 · Write short note on any…Q. 5 · Explain diagnostic characters of chordates.Q. 6 · Discuss features of reptiles that…Q. 7 · Describe reproduction and development in…Q. 8 · Write short note on any…With this paper← 20192020 →
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Section I

Q. 1
  1. (a)Discuss various types of reproduction in protozoans. [10]
  2. (b)Describe sponge morphology and functions of its various cell types. [10]
(20)
Q. 2
  1. (a)Write a note on feeding appendages in arthropods. [10]
  2. (b)Give an account on parasitic nematodes of man. [10]
(20)
Q. 3
  1. (a)What is metamerism? Discuss its advantages in annelids. [10]
  2. (b)Explain reproduction and larval development in echinoderms. [10]
(20)
Q. 4

Write short note on any FOUR of the following:

  1. (a)Torsion in gastropods [5]
  2. (b)Social insects [5]
  3. (c)Differentiate between a polyp and medusa [5]
  4. (d)Pseudocoelomate body plan [5]
  5. (e)Parasitic adaptations in Liver Fluke (Fasciola hepatica) [5]
(20)

Section II

Q. 5
  1. (a)Explain diagnostic characters of chordates. [10]
  2. (b)Describe excretion and osmoregulation in fishes. [10]
(20)
Q. 6
  1. (a)Discuss features of reptiles that distinguish them from amphibians. [10]
  2. (b)Give a detailed account on feathers in birds. [10]
(20)
Q. 7
  1. (a)Describe reproduction and development in mammals. [10]
  2. (b)Explain early evolution of amphibians as the first land vertebrates. [10]
(20)
Q. 8

Write short note on any FOUR of the following:

  1. (a)Swim bladder [5]
  2. (b)Aerial adaptations in birds [5]
  3. (c)Diversity among mammals [5]
  4. (d)Evolution of vertebrate heart [5]
  5. (e)Reproduction and development in amphibians [5]
(20)

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About this paper

The 2020 PMS Punjab Zoology paper set by the PPSC. Question wording only; questions marked “Not yet checked” have not been compared with the official paper yet.

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