Prep Right
Questions › PMS Punjab › Zoology › 2019
PPSC · PMS Punjab 2019

Zoology, Paper II

100 marks · 3 hours · 10 questions
This paper Zoology · all yearsQ. 1 · Differentiate between transcription and translation.…Q. 2 · Describe various models of plasma…Q. 3 · Define osmoregulation? Discuss role of…Q. 4 · Briefly define various pulmonary volumes…Q. 5 · What do you mean by…Q. 6 · What is tetrad analysis? Why…Q. 7 · Differentiate between the following: i.…Q. 8 · What is genetic load? Discuss…Q. 9 · What do you mean by…Q. 10 · What is global warming? What…With this paper← 20192020 →
3 hours · questions hide until you reveal them

Section A

Q. 1
  1. (a)Differentiate between transcription and translation. Also write down the mechanism of protein synthesis. [10]
  2. (b)Differentiate between prokaryotic and eukaryotic cells describing their structures. [10]
(20)
Q. 2
  1. (a)Describe various models of plasma membrane. Explain which model is dynamic and why? [10]
  2. (b)Describe the role of cytoskeleton during mitosis emphasizing on role of mitotic spindles. [10]
(20)

Section B

Q. 3
  1. (a)Define osmoregulation? Discuss role of nephron in osmoregulation? [10]
  2. (b)Differentiate between skeletal, cardiac and smooth muscles and their mechanism of contraction and relaxation. [10]
(20)
Q. 4
  1. (a)Briefly define various pulmonary volumes and capacities and also draw a diagram showing these capacities and volumes. [10]
  2. (b)Describe precisely the mechanism of self-excitation and rhythmicity in mammalian Heart. [10]
(20)

Section C

Q. 5
  1. (a)What do you mean by chromosomal aberrations? Briefly describe write down numerical disorders. [10]
  2. (b)Write a detailed note on 'DNA as genetic material'. [10]
(20)
Q. 6
  1. (a)What is tetrad analysis? Why Neurospora found suitable for the study of crossing over and recombination? How you can show that crossing over takes place at four strands stage using Neurospora? [10]
  2. (b)Discuss the significance and role of polyploidy in evolution. Whether autopolyploidy or allopolyploidy is more important in speciation and why? [10]
(20)

Section D

Q. 7
  1. (a)Differentiate between the following: i. Mutation pressure and selection pressure ii. Adaptive radiation and natural selection [10]
  2. (b)Define speciation and describe various types of speciation. [10]
(20)
Q. 8
  1. (a)What is genetic load? Discuss it in relation to evolution. [10]
  2. (b)What is organic evolution? Discuss the indirect evidence of organic evolution. [10]
(20)
Q. 9
  1. (a)What do you mean by energy cycle? Write a detailed note on nitrogen cycle. [10]
  2. (b)Differentiate between biome and ecotone. Write various adaptations in animals for aquatic mode of life. [10]
(20)
Q. 10
  1. (a)What is global warming? What is the implication of this phenomenon? [10]
  2. (b)Discuss the importance of recycling of nutrients in an ecosystem. [10]
(20)

Related papers

Zoology 2016Zoology 2019Zoology 2020Zoology 2020Zoology 2021Zoology 2021Zoology 2022Zoology 2023Zoology 2023Business Administration 2019Business Administration 2019Chemistry 2019Chemistry 2019English Literature 2019English Literature 2019English Precis & Composition 2019Islamic Studies 2019Journalism & Mass Communication 2019Journalism & Mass Communication 2019Political Science 2019Commerce 2019Computer Science 2019Economics 2019Education 2019Geography 2019Geology 2019Law 2019Law 2019Persian 2019Persian 2019Philosophy 2019Philosophy 2019Physics 2019Principles of Engineering 2019Punjabi 2019Punjabi 2019Sociology 2019Sociology 2019Statistics 2019Veterinary Science 2019Veterinary Science 2019Zoology 2019Social Work 2019Social Work 2019

About this paper

The 2019 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.

Disclaimer Prep Right is independent and not affiliated with PPSC.