PMS Botany Paper-I 2021

Here you will get the PMS Botany Paper-I 2021. PMS Botany Paper-I 2021. Provincial Management Services (PMS) is a competitive examination held at the provincial level. PPSC is conducting this PMS 2021 from June 23, 2022, to July 07, 2022.

PMS Botany Paper-I of 2021

The following questions were asked in the PMS Botany Paper-I:

Q1. (a) Explain Thallus organization and reproduction in Chlorophyta (b) Give phylogeny /origin and classification of Ascomycetes.

Q2. (a) Write a note on the Loose Smut of wheat and its control measures. (b) Give Auxospore formation and economic importance of Diatoms.

Q3. (a) Mention general characteristics of Ginkgophyta. (b) Discuss comparison of the structure of the plant body of Lycophyta with that of Psilophyta.

Q4. (a) Write a note on the phylogeny of Cycads. (b) Explain Heterospory. Highlight its importance as a step towards seed habit.

Q5. (a) Discuss the Natural system of classification regarding its outline, merits, and demerits. Explain the anatomy of biracial and isobilateral leave, with reference to their dermal, ground, and vascular systems.

Q6. (a) Explain endosperm with reference to its types and nature. (b) Give structure, chemical composition, and ultra-structure of a plant cell.

Q7. (a) Write a detailed note on the structure Sod function of sclerenchyma. (b) Differentiate between primary and secondary growth. Elaborate secondary growth in dicot stem

Q8. Write short notes on the following: