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By Pravin Keshari

About blog


        The main purpose of making this blog is to provide free learning materials to the Nepalese students. All the study materials posted here are free of cost. The notes and study materials are as per the syllabus of different level of different boards of Nepal.

All the stuffs posted here are for non-profit purpose. 

Thanks !!!
Pravin Keshari
    B.Sc. Chemistry (T.U.)
    +977-98154-97631
    pravin.keshari.31@gmail.com




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

By Pravin Keshari
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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 Scien...
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Force || Solved Q/A for S.E.E. - Exam || Part-1

By Pravin Keshari
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FORCE Part-1  Very short questions and answers for S.E.E. students Questions and answers to practice for S.E.E. examination 1)What is gravitation or gravitational force? Answer: The force with which any two objects attract each other is called gravitation or gravitational force. 2) State the factors that affect the gravitational force. Answer: The factors that affect the gravitational force are:     (i) Mass of two heavenly bodies.     (ii) Distance between their centers . 3) What is heliocentric theory? Answer: Heliocentric theory states that the sun lies at the center  of the universe and all the planets and satellites revolve around the sun. 4) What is geocentric theory? Answer: Geocentric theory states that the earth remains at the center of the universe and the sun, moon and other planets revolve around the earth. 5) State Newton's universal law of gravitation. Answer: Newton's universal law of gravitation states that, "The force of attraction between ...
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Electricity || Physics || Solution for BLE Exam - Grade 8 || Part -02

By Pravin Keshari
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  Electricity Part -02 PHYSICS - Solution for BLE Exam You can find the solution of all the important questions asked in BLE Exam in this blog. Do not forget to share this blog with your friends. Have not got Part - 1 Yet? Click here for Part - 1 (Electricity) And here we go, Q.11) What is Earthing? Write. Answer: Earthing is a type of electrical system of connecting a wire with ground which mainly passes the leakage current and excessive current to the earth and to prevent from electric shock. Q.12) What is M.C.B.? Also write the full form. Answer: An automatically operated electrical switch which breaks the electrical circuit when excess of electricity passes through it, to prevent from the damaging of electrical appliances. Its full form is M iniature C ircuit B reaker. Q.13) Name the chemical which is used to remove polarization. Answer: The chemicals which are used to remove polarization is the concentrated solution of Potassium Dichromate (K₂Cr₂O₇) and   Manganese dioxi...
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1000+ MCQs for PCL Nursing Entrance Preparation || Part-01 ||

By Pravin Keshari
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 1000+ MCQs for PCL Nursing Entrance Preparation Part-1 With the changing needs as well as Nepal, Government's health policy, CTEVT took an action to respond to these needs; as a result CTEVT has started the PCL Nursing course. PCL Nursing is one of the prominent and popular disciplines within the Nursing profession. PCL Nursing has its full form of Proficiency Certificate Level in Nursing . In this particular series of " PCL Nursing Entrance Preparation ", each set will contain 50 MCQs (with Answer key ) for students to solve. About 1000 MCQs will be provided related with the entrance preparation for PCL Nursing or Staff Nurse.  Notes will also be posted, if required.  If you find this blog useful after reading, do not forget to share it with your friends. Refer to your friends, so that they can also enjoy these questions. Need full PDF syllabus of PCL Nursing??? Click on the icon below to download the full syllabus in PDF Your MCQs for PCL Nursing starts from here...
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Acid, Base and Salt || Solved Q/A for S.E.E. - Exam || Part-1

By Pravin Keshari
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ACID, BASE AND SALT Part-1  Very short questions and answers for S.E.E. students Questions and answers to practice for S.E.E. examination 1) Define acid. Give any two examples. Answer:  An acid is a substance which gives hydrogen (H⁺)  ion/s when dissolved in water.         For example, hydrochloric acid (HCl), Nitric acid (HNO3). 2) What are bases? Give any two examples. Answer:  Bases are the substances which gives hydroxyl ions (OH⁻) when dissolved in water.         For example, Sodium hydroxide (NaOH), calcium hydroxide [Ca(OH)₂]. 3) Define alkalis. Give two examples. Answer:  Alkalis are water soluble bases. They give hydroxyl ions when dissolved in water. Examples: Sodium hydroxide (NaOH), potassium hydroxide (KOH). 4) What is salt? Give two examples. Answer:  Salt is defined as a substance which is formed by partial or complete replacement of hydrogen atom/s by a metal or ammonium radical. Exampl...
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Heat || Solved Q/A for S.E.E. - Exam || Part-1

By Pravin Keshari
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HEAT Part-1 Very short questions and answers for S.E.E. students Questions and answers to practice for S.E.E. examination 1) What is heat? Answer:  Heat is the sum total of kinetic energy (K.E.) of the molecules contained in a body. In other words, heat is a form of energy which flows from a hotter body to colder body when they are in thermal contact. 2) What is internal energy? Answer: The sum of kinetic energy for all molecules of a body is called its internal energy. When internal energy flows, it is called as heat. 3) What are the factors affecting heat energy? Answer: The two factors affecting heat energy are given as follows:     a. Number of molecules contained in a body.     b. Average kinetic energy of the molecules. 4) What is source of heat? Answer: The object from where we get heat is called source of heat. For example: Sun, Candle, petroleum, firewood, coal, etc. 5) What is 1 kilo calorie heat? Answer: 1 kilo calorie heat is defined as that heat whi...
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Chemical Reaction || Solved Q/A for S.E.E. - Exam || Part-2

By Pravin Keshari
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CHEMICAL REACTION Part-2  Very short questions and answers for S.E.E. students Questions and answers to practice for S.E.E. examination 1) Write the types of given chemical equation.               (i) C + O₂ → C O₂               (ii) 2KClO₃  → 2KCl + O ₂ Answer: (i) Combination reaction                    (ii) Decomposition reaction 2) Which type of chemical equation is given below?          Fe + CuSO₄ → FeSO₄ + Cu Answer: The given chemical equation is single displacement reaction. 3) Identify the type of chemical reaction given below.          Ca + H ₂ SO₄  → Ca SO₄ + H ₂ Answer: The given chemical reaction is single displacement reaction. 4) What is a combination or synthesis reaction? Answer: The chemical reaction in which two or more reactants combine to form a new compound is cal...
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1000+ MCQs for PCL Nursing Entrance Preparation || Part-03 ||

By Pravin Keshari
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  1000+ MCQs for PCL Nursing Entrance Preparation Part-3 With the changing needs as well as Nepal, Government's health policy,  CTEVT  took an action to respond to these needs; as a result  CTEVT  has started the  PCL Nursing  course.  PCL Nursing  is one of the prominent and popular disciplines within the  Nursing  profession. PCL Nursing  has its full form of  Proficiency Certificate Level in Nursing . Haven't seen Part-1 and Part-2 yet??? In this particular series of " PCL Nursing Entrance Preparation ", each set will contain 50 MCQs (with  Answer key ) for students to solve. About 1000 MCQs will be provided related with the entrance preparation for PCL Nursing or Staff Nurse.  Notes will also be posted, if required.  If you find this blog useful after reading, do not forget to share it with your friends. Refer to your friends, so that they can also enjoy these questions. Need full PDF syllabus of PCL N...
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Invertebrates || Solved Q/A for practice for S.E.E. - Exam || Part-1

By Pravin Keshari
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Invertebrates Part-1  Very short questions and answers for S.E.E. students                Fig: Silk moth adult male (Bombyx mori) Questions and answers for practice for S.E.E. examination 1) What is cocoon? What is it made of? Answer: Cocoon is a spherical cover of the pupa of silk-moth. It is made up of silk fiber. 2) In how many stages does the life cycle of silk-moth complete? What are they? Answer: The lifecycle of silk-moth completes into four stages. They are:          (i) Egg     (ii) Larva      (iii) Pupa and      (iv) Adult 3) What does seri silkworm feed on? Answer: Seri silkworm feed on mulberry leaves. 4) Write down the food of Seri silkworm and Eri silkworm. Answer:      Type            Food  Seri Silkworm   Mulberry leaves        Eri Silkworm      ...
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Basics of Chemistry || Part-02 ||

By Pravin Keshari
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Basics of Chemistry Part-02   ( Atomic structure of f irst 20 elements) In the previous part we learnt about details of first 20 element and we calculated atomic weight of them. That was the first and most important step in studying chemistry. Without understanding about elements, their symbol and valancy, it is impossible to understand chemistry. So, for that, we have to first draw and understand the atomic structure of all first 20 elements. Click here for  Basics of Chemistry || Part-01 || So, let us start... Atomic Structure of first 20 elements Atomic Structure of Hydrogen (H) Atomic Structure of Helium (He) Atomic Structure of Lithium (Li) Atomic Structure of Beryllium (Be) Atomic Structure of Boron (B) Atomic Structure of Carbon (C) Atomic Structure of Nitrogen (N) Atomic Structure of Oxygen (O) Atomic Structure of Fluorine (F) Atomic Structure of Neon (Ne) Atomic Structure of Sodium (Na) Atomic Structure of Magnesium (Mg) Atomic Structure of Aluminum (Al) Atomic Struct...
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