For Recruitment to the Posts of Provincial Management Service (PMS)
SUBJECT: Botany (Paper-1)
Time Allowed: 3 Hours
Maximum Marks: 100
Attempt FIVE questions in all. Attempt in Urdu or English.
Q1. a) Mention general characteristics and economic importance of Baciliarophyta. b) Give an outline of the life cycle of a typical Diatom.
Q2. Describe the various modes of reproduction in Pythum. b) Write a note on the early blight of potato disease.
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Flora & Fauna
Paper
paper
Q3. a) Explain the gametophyte structure of Funaria. b) How sporophyte of Anthoceros is considered advanced? Give point-wise detail.
Q4. What are fossils? How fossils are formed? Discuss various modes of preservation concerning organic origin.
Q5. Describe the salient features of gymnosperms. Explain in detail how gymnosperms are beneficial for making.
Q6. Describe in detail stomata concerning their origin, structure types, and functions.
Q7. a) What is biosystematics? How Operational Taxonomic Units (OTUs) are significant for arranging the plants into groups? b) What is sporogenesis? Discuss the various ways of micro and megasporogenesis in plants.
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Library
Libraries & Museums
Office Supplies
Q8. Explain the structure and morphological nature of sporocarp of Marsilia.
SUBJECT: Botany (Paper-II)
Time Allowed: 3 Hours
Maximum Marks: 100
Attempt FIVE questions in all. Attempt in Urdu or English.
Q. No. 1: a) What is meant by seed dormancy? Enlist and explain different causes of seed dormancy. b) What role do auxins perform in various developmental phenomena in plants? (10 + 10 = 20 Marks)
Q. No. 2: Write short notes on the following: i) Day neutral plants ii) Photoperiodic induction iii) Long day plants iv) Short day plants (4 × 5 = 20 Marks)
Q. No. 3: What is meant by salinity? Give causes and effects of salinity and suggest measures for restoration of saline soil. (20 Marks)
Q. No. 4: a) Compare the process of mitosis and meiosis in detail. b) Explain the significance of meiosis in plants. c) Write a note on ribosomes. (10 + 5 + 5 = 20 Marks)
Q. No. 5: a) Suppose that a normal woman marries a man with hemophilia. What is the probability of having a hemophilic son and a hemophilic daughter? b) In a cross between a purebred red-eyed female fruit fly and a white-eyed male, which parent of the male offspring will have white eyes? (10 + 10 = 20 Marks)
Q. No. 6: a) What are the properties of genetic code? b) Write a note on genomic library. (10 + 10 = 20 Marks)
Q. No. 7: a) Briefly give the salient points of Darwin’s theory of natural selection. b) Explain modern synthetic theory of evolution. (10 + 10 = 20 Marks)
Q. No. 8: Differentiate between the following: a) Lamarckism vs Darwinism b) Darwinism vs Neo-Darwinism c) Natural selection vs Artificial selection d) Adaptive mutation vs Normal mutation (4 × 5 = 20 Marks)
