प्राविधिक प्रहरी नायव निरीक्षक - प्रथम पत्र (नेपाल प्रहरी) || Forensics Paper 2078-09-29

प्राविधिक प्रहरी नायव निरीक्षक - प्रथम पत्र (नेपाल प्रहरी)

नेपाल पुलिस अन्तर्गत प्राविधिक प्रहरी को विधि विज्ञान (प्राविधिक प्रहरी नायव निरीक्षक) का लागी प्रथम पत्रमा सोधिएका प्रश्नहरु यस प्रकार छन्। 

यो प्रश्नहौ लोकसेवा आयोग द्वारा सोधिएको संयुक्त परिक्षा अनतर्गत विधि विज्ञानका लागि सोधिएको हो।  मिति २०७८ - ०९ -२९ गते को दिन प्रथम पत्र र ३० गते द्वितीय पत्र (प्रहरी सेवा सम्बन्धि) परिक्षा संचालन भएको हो। 

Location of Central Police Forensic Science Laboratory: Click here

समय ३ घण्टा 

पत्र : प्रथम                                                                                        पुर्णाङ्क : १००

Subject: Forensic Science

Section 'A' Biology

1. State and explain the Mendal's law of independent assortment. [5]

2. Differentiate between prokaryotic cell and eukaryotic cell. [5]

3. Describe structural evidences of evolution with examples. [5]

4. Enlist effects of pesticides o n environment. [5]

5. Explain  in brief on structure, reproduction and economic importance of yeast.[10]

                                                          Section 'B' Chemistry

6. How do you separate camphor from a mixture of sodium chloride and camphor?[5]

7. Define the theory of valancy. How do you differentiate covalent bond and co-ordinate bond? [5]

8. Define Lewis acid and Lewis base with examples. Write the conjugate acid and base pair of:

        (i) NH₃

        (ii) H₂O

        (iii) HSO₄⁻

9) What do you mean by normality of a solution? Establish the relation between normality and molarity. [5]

10) Write down properties and method of preparation of Ethanol. [5]

11) What do you understand by oxidation and reduction? Explain it with an example in terms of electron transfer in a redox reaction. [10]

Section 'C' Physics

12) The image formed by a spherical mirror is erect and magnified and 24 cm from the mirror. If the focal length of the mirror is 12 cm, find the object distance and magnification. [5]

13) What is wave theory? Explain the Huygens's principle. [5]

14) At what temperature do the Fahrenheit and Celsius thermometer show the same temperature? [5]

15) State Newton's laws of motion. Derive the relation of Newton's second law of motion. [5]

16) What is escape velocity? Derive its relation. [5]

17) Define the specific heat capacity. Determine the specific heat of liquid by using Newton's law of cooling. [10]

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