Laws of Motion - General Description | Physics Class 11

Physics | Notes
Laws of Motion - First, Second and Third
Class: 11

First law of motion (Law of Inertia)

According to first law of motion “Everybody in the universe continue its state of rest or of uniform motion in a straight line unless it is affected by some external unbalance force to change the state”. This law is also called the law of inertia.

Preparation of Haloalkanes - General Method | Organic Chemistry Class 12

Chemistry | Notes
Preparation of Haloalkanes - General Method
Class: 12

a) From Alkane
When alkane is treated with halogen in presence of sunlight or heat energy, alkyl halide is formed.

Alimentary Canal in Human Beings | Biology Class 12

Zoology | Notes
Alimentary Canal in Human Beings
Class: 12

Alimentary canal in a continuous tube with varied diameter at different region and helps in digestion process. It runs from mouth to anus via pharynx, oesophagus, stomach and intestine. The initial steps in digestion takes place in a cavity called as oral cavity where teeth tongue and three pairs of salivary glands are present.

Boyle's Law - Graphical Representation and Application | Chemistry Class 11

Chemistry | Notes
Boyle’s Law with Graphical Representation and Its Application

Class: 11

The Robert Boyle (1662) was the founder of this law. He states that temperature remaining constant in a volume of given mass is of gas is inversely proportional to pressure exerted by it. 

Old Question Paper 2070 - Nepali (अनिवार्य नेपाली ) Class 12 | Download

Question Paper  (प्रशनपत्र ) | Compulsory Nepali
Old Question Paper of Nepali (अनिवार्य नेपाली )
Class : 12
Year : 2070 B.S. (2013)

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Old Question Paper 2070 - Compulsory English Class 12 | Download

Question Paper | Compulsory English
Old Question Paper of Compulsory English
Class : 12
Year : 2070 B.S. (2013)

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Nutrition in Animals and Humans | Biology Class 12

Zoology | Notes
Nutrition in Animals and Humans
Class: 12

All living beings are composed of cells and cells required energy for performing their functions. The overall process of obtaining food in order to provide energy to body part so that body part can perform their function is called Nutrition. The digested food is utilized to liberate energy which is required for metabolic activities growth and repairing tissue. The food components that provide required energy are called nutrients which include carbohydrate, protein, lipid, vitamin, minerals and water.

Balanced Diet | Biology Class 12

Zoology | Notes
Balanced Diet - Nutrition in Human Body
Class: 12

A diet is said to be balanced when it provides proper amount and proportion of Calories required to the body. Simply the meal that supports proper physical and mental growth and development is called balanced diet. In a diet the carbohydrates should be 450 gm, 90 gm protein and 45 gm fat. Beside these proper amount of vitamins and minerals should be included into diet. The diet that fails to meet basic demand or body results improper growth and the condition is called malnutrition. In developing countries like Nepal, malnutrition is mainly due to under nutrition at childhood. Under nutrition results two important diseases: Kwashiorkor and Marasmus. 

General Introduction to Haloalkanes | Organic Chemistry Class 12

Organic Chemistry
General Introduction to Haloalkanes
Class: 12

The compounds which are formed by the replacing one hydrogen atom from alkane by halogen atom are called haloalkanes. They are also called alkyl halides.

These are represented by general formula RX where R is the alkyl group and X is the halogen group.

Funaria - General Description, Structure and Reproduction Method | Biology Class 11

Botany | Notes
Funaria - General Description of Structure and Reproduction Method

Class: 11

It is cosmopolitan in distribution, mostly found in moist soil, rock, walls, and tree trunks.