Short Essay on Wonders of Science

Short Essay on Wonders of Science: Science has worked wonders. It has given us discoveries and inventions. They have revolutionized our life and outlook. Once we were afraid of lightning but now we use electricity in every field. Science has harnessed the forces of nature. The river valleys are dammed up to arrest water, produce electricity …

A Visit to a Museum Short Essay

A Visit to a Museum Short Essay: A museum is a repository (place) for the collection, exhibition and study of objects of artistic, scientific or historic interest. The museum in Jaipur situated in the Sawai Gardens is housed in a big building. It is a very big museum and attracts many visitors every day. Last year …

Causes of the Reformation Movement

Reformation Movement: Meaning of Reformation: The term Reformation refers to a great religious reform movement in Europe during the 16th century. There was a big protest against the Christian Church in different parts of Europe and it ultimately resulted in the emergence of the Protestant Christian religion. This great religious movement was not only the evidence …

What is a Genome?

Genome: The genome is the entire collection of genes and all other functional and non-functional DNA sequences in an organism in a haploid set of chromosomes. It includes genes, regulatory genes and nonfunctional nucleotide sequences. Therefore, the genome comprises of- The structural genes are DNA segments that code for some specific RNAs or proteins. They encode …

Pythagoras Theorem

Pythagoras Theorem: In a right triangle, the square on the hypotenuse is equal to the sum of the squares on the other two sides. Given: A right-angle triangle ABC in which ∠B = 90° To prove: AC2 = AB2 + BC2 Construction: From B draw BD ⊥ AC Proof: In triangles ADB and ABC, we have∠ADB …

Areas of Two Similar Triangles

Areas of Two Similar Triangles: Theorem 1: Prove that the ratio of the areas of two similar triangles is equal to the ratio of the square of any two corresponding sides. Given: △ABC ~ △DEFSo, AB/DE = BC/EF = AC/DFAlso, ∠A = ∠D, ∠B = ∠E, ∠C = ∠F To prove: area △ABC/area △DEF = AB2/DE2 …

One-Word Substitution

One-Word Substitution: One who belongs to a foreign country- Alien. One who belongs to the country- Native. One who plays a game for pleasure and not for money- Amateur. One who plays a game for the sake of money- Professional. One who represents his country in another country- Ambassador. One who lives on vegetables only- Vegetarian. …