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Some Important Biology Points ≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡ 1–A chemical change in DNA molecule is called mutation. 2–Glycogen acts as a shortterm food reserve in animals. 3–Estrogen is a female sex hormone. 4–The enzyme amylase aids in the digestion of starch. 5–ATP synthesis takes place in mitochondria. 6–60%- 65% (Men) & 50- 60% (women) of the body weight … Read more

Company Name Origin/ Meaning ≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡ 1. Mercedes – Name of the daughter of the founder. . 2. Nokia – Name of city & River in Finland. . 3. Pepsi – Named from the digestive enzyme pepsi . . 4. Honda – From the name of its founder Soichiro Honda. . 5. Sony – from the … Read more

Inspirational Story Of APJ Abdul Kalam. . There were about 70 scientists working on a very hectic project. All of them were really frustrated due to the pressure of work and the demands of their boss but everyone was loyal to him and did not think of quitting the job. . One day, one scientist … Read more

India’s 10 Most Valuable Brands. . 10. Reliance Communications : Value US$ 1.9 billion Industry : Telecom . 9. Kotak Mahindra Bank : Value US$ 2 billion Industry : Banking . 8. Idea Cellular : Value US$ 2.3 billion Industry : Telecom . 7. Hero MotoCorp : Value US$ 2.9 billion Industry : Automobiles . … Read more

Scientific Instruments ≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡ 1. Aerometer : Instrument for measuring weight and density of air and gases. 2. Altimeter : Instrument used in aircraft to measure altitude. 3. Ammeter : Instrument used to measure electrical current flowing in a circuit. 4. Anemometer : Instrument to measure the force and velocity of wind. 5. Audiometer : Instrument … Read more

Useful Number system Shortcuts. ≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡ 1. When Sum and Diff of two numbers (X and Y) are given, then X = (sum + diff)/2 Y = (sum – diff)/2 . 2. Diff between two digits of two digit number is =(Diff in original and interchanged number)/9 . 3. Sum of first n odd nos is … Read more