Notes and Study material for Exams
India was the first nation to launched a family planning programme in 1952. Though the birth rate started decreasing, it was accompanied by a sharp decrease in death rate, leading to an overall increase in Population.The early concept of population policy covered both mortality and fertility and did not exclusively focus on fertility. There was … Read more
India is the second most populous country in the world next only to China. On March 1, 2011 the total Population of India was at 1.247 billion. This accounted for 17.5% of the world’s total population. In other words, about every sixth person in the world there is an Indian. China, the most populous country … Read more
Reproductive systems The reproductive system in both males and females consists of structures that produce reproductive cells, or gametes, and secrete sex HORMONES. A gamete is a haploid cell that combines with another haploid gamete during fertilization. Sex hormones are chemical messengers that control sexual development and Reproduction. The male reproductive system consists … Read more
Demographic dividend and transition Demographic dividend The term “demographic dividend” (DD) refers to the accelerated economic Growth that a country can achieve when it has a low dependency ratio or, in other words, when the proportion of its Population that is of working age is greater than the proportion of its population that … Read more
Reproductive Systems The reproductive system in both males and females consists of structures that produce reproductive cells, or gametes, and secrete sex HORMONES. A gamete is a haploid cell that combines with another haploid gamete during fertilization. Sex hormones are chemical messengers that control sexual development and Reproduction. The male reproductive system consists of structures … Read more
Total Population Absolute Precentage Total Rural Urban Total Rural Urban Persons 68548437 51500352 17048085 100.0 75.1 24.9 Males 35550997 26641747 8909250 100.0 74.9 25.1 Females 32997440 24858605 8138835 100.0 75.3 24.7 Decadal Change Absolute Precentage 2001-2011 Total Rural Urban Total Rural Urban … Read more
Lead: A Silent Threat to Human Health Lead, a heavy metal found naturally in the Earth’s crust, has been used by humans for centuries. Its malleability, durability, and resistance to corrosion made it a valuable material for various applications, from plumbing and paint to batteries and ammunition. However, the widespread use of lead has come … Read more
Echoes of the Past: Unveiling the Secrets of Prehistoric Rock Paintings The world is a canvas, and throughout history, humans have used it to express themselves. From the earliest cave paintings to the intricate murals of ancient civilizations, art has served as a powerful tool for communication, storytelling, and cultural expression. Among the most captivating … Read more