economic growth requires

1) They produce food for all organisms 2) They provide beneficial substances like drugs, tannins, fibres, rubber, vegetable oils, fuel, condiments. 3) Some plants contain alkaloids which check growth of cancer cells. Example: Rosy periwinkle. 4) Plants release O 2 , cool environment by r..

. Sigmoid growth curve is formed of five phases. a) Lag phase b) Positive acceleration phase c) Logarithmic or exponential phase d) Negative acceleration phase e) Stationary phase. a) Lag phase - Period where individuals adapt to the new environment. b) Positive acceleration phase - Perio..

Summary - Growth is one of the most fundamental characteristics of living organisms. It is accompanied by differentiation. The growth cycle of an annual monocarpic angiosperm begins with the zygote which undergoes a period of dormancy. Later, the dormant embryo develops into a s..

Consequences of Over Population/Impact of Population Growth - India is the best country to study the consequences of over population. Geometric growth in population has pushed our country into population explosion leading to number of serious consequences. Some of them are: Decr..

Gibberellins have been shown to be effective in breaking the dormancy in potato tubers and in tree buds in winter. Cytokinins have been found to be effective in breaking the dormancy of seeds. They also promote the germination of the seeds. The cytokinins substitute the red light requirement..

The importance of maintaining the ecological balance and conservation of the resources has been increasingly becoming clear in the last two decades. It has now become necessary for all countries in the world to recognise this fact and plan what is known as 'sustainable development'. The United Nat..

The growth and yield of food crops are also seriously damaged by various insects. Each insect attacks the crop in its own style and damage the crop to complete its own life cycle. The insects attack almost all parts of crop and the damage may be direct loss of economic pro..

On the basis of the quantities required, the various nutrients needed for plant growth can be classified into two grou..

For the healthy growth of the individual, a nourishing, well balanced diet is required. A diet has nutrients in the right proportion ensures proper growth and development of both body and mind. If the nutrients are inadequate or not in the right proportion nutritional ..

For the healthy growth of the individual, a nourishing, well balanced diet is required. A diet has nutrients in the right proportion ensures proper growth and development of both body and mind. If the nutrients are inadequate or not in the right proportion nutritional ..