Importance of Water Caltrop – Trapa nutans
Singhara is known as the Water Caltrop in English. In Botany it is known as Trapa nutans. Its other two species are Trapa bicornis, and Trapa rossica. The later is an endangered species.
Singhara
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Mechanism of Breathing and Cellular Respiration
The mechanical process of breathing involves inspiration and expiration.
Flowers and Flower Sellers
Flowers are most beautiful and attractive parts of a plant. These contain reproductive structures- male and female. Flowers containing any one of these structures are known as unisexual whereas flowers containing both the reproductive structures are known as bisexual.
Impulses and their conduction
The information received by a receptor at the end of a dendrite sets of a chemical reaction that creates an electric impulse.
Leaf fall and Compost making
Plants and trees shed their leaves from time to time. This happens due to a number of reasons. From some plants and tree leaves continue falling throughout the year. At the same time new leaves continue developing to compensate their number.
United Nations System
On June 26, 1945 fifty-one; nations representing 80% of the world’s population approved and signed a charter for the establishment of a world body of nations – the United Nations Organisation (UNO); at San Francisco.
Pollution- disruption of nutrient cycles and habitats
Our natural resources are known to have some specific qualities of their own. These qualities are known as natural qualities. It is due to specific natural qualities that different natural resources have been useful to us and to the whole biosphere. But now, the condition has changed considerably. Most of our natural resources like air, water and soil have gone bad due to pollution of different types. What is pollution?
Fair Play : For the Quality of Life and Wellbeing
The attitude which manifests by excellent behaviour of players is called as Fair Play.
The Forest- People and Their Forests in India
Innumerable tribal people live in forests. Most of these are scheduled tribes. They depend on forests for their livelihood.
Books on Environmental Awareness by Dr. M. P. Mishra
Book Review S. CHAND’S ENVIRONMENTAL EDUCATION CLASS XI BY DR. M. P. MISHRA PURPOSE OF THE BOOK This book on…
Sharifa, the Annona squimosa
Sugar apple or Sharifa is the fruit of taxonomically known tree Annona squamosa. It is native to tropical climate in the Americas and West Indies.
