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FPSC · CSS 2020

Zoology

100 marks · 3 hours · 7 questions
This paper Zoology · all yearsQ. 2 · Explain in detail the circulation,…Q. 3 · Describe various hormones of the…Q. 4 · Write a detailed account on…Q. 5 · Define linked genes. Explain in…Q. 6 · Explain the body wall, digestion,…Q. 7 · How does excretion and osmoregulation…Q. 8 · Write short notes on any…With this paper← 20192021 →
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Part II

Q. 2

Explain in detail the circulation, gas exchange and temperature regulation in reptiles.

(20)
Q. 3

Describe various hormones of the mammalian adrenal gland with their functions.

(20)
Q. 4

Write a detailed account on maintenance functions of class Arachnida.

(20)
Q. 5

Define linked genes. Explain in detail the inheritance of X-linked recessive genes.

(20)
Q. 6

Explain the body wall, digestion, nervous system and sensory organs of flat worms.

(20)
Q. 7

How does excretion and osmoregulation occur in mammals?

(20)
Q. 8

Write short notes on any FOUR of the following:

  1. (a)Hardy-Weinberg theorem [5]
  2. (b)Sedimentary cycle [5]
  3. (c)Metamerism [5]
  4. (d)Mechanism of neuron action [5]
  5. (e)Invertebrate sensory receptors [5]
  6. (f)Gas exchange in Mammals [5]
(20)

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About this paper

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

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