PMS Botany Paper-II 2022

Here you will find the PMS Botany Paper-II 2022. PMS Botany past Paper-II 2022. Provincial Management Services (PMS) is a competitive examination conduct by PPSC. Botany Paper-II was held on Friday, June 9, 2023.

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PMS Botany Paper-II of 2022

The following questions were given in the paper:

Q1. a) Explain in detail how does the process of glycolysis help in the conversion of hexoses into pyruvic acid?

b) Describe Formation of acetyl coenzyme A.

c) Discuss energy transformation in respiration. (10+5+5=20 Marks)

Q2. a) Write the mechanism of Electron Transport System (ETS) in respiration process.

b) Differentiate among C3, C4 and CAM Plants. (10+10=20 Marks)

Q3. a) Discuss the role of edaphic and climatic factors on plant growth.

b) Discuss briefly the following ecosystems:

  1. Wetlands
  2. Mangroves

Q4. Differentiate between the following:

a) Glyoxisomes and peroxisomes.

b) Chromoplast and leucoplast.

c) Primary cell wall and secondary cell wall.

d) Smooth endoplasmic reticulum and rough endoplasmic reticulum.

Q5. Describe the similarities and differences between RNA and DNA. Also discuss the three main types of RNA used in protein synthesis. (20 Marks)

Q6. Explain the process of linkage. Also differentiate between the following:

i) Test cross vs Back cross

ii) Monohybrid cross vs Dihybrid cross (20 Marks)

Q7. a) What do you understand by Lamarckism? Discuss its all points, including the example of long neck and legs of giraffe along with other examples.

View PMS Botany Paper-II 2022:

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