Botany · 2020

CSS 2020 Botany Practice Paper

7 questions from this paper.

  1. Q1
    Discuss the role of light in photosynthesis. Differentiate between Light-dependent and Light-independent reactions.
    Practice material Photosynthesis 20 marks
  2. Q2
    Discuss the general characteristics of Fungi and their role as plant pathogens in Pakistan.
    Practice material Fungi 20 marks
  3. Q3
    Define Plant Succession. Describe the various stages of Hydrosere with suitable diagrams.
    Practice material Plant Ecology 20 marks
  4. Q4
    Describe the diagnostic features and economic importance of family Solanaceae.
    Practice material Taxonomy 20 marks
  5. Q5
    Explain Mendel's Law of Independent Assortment. How does Linkage affect this law?
    Practice material Genetics 20 marks
  6. Q6
    Discuss the mechanism of water absorption in plants. Differentiate between Active and Passive absorption.
    Practice material Plant Physiology 20 marks
  7. Q7
    Describe the structure of DNA as proposed by Watson and Crick. Why is it called a double helix?
    Practice material Molecular Biology 20 marks

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