Nervous System of Animals
Most of the animals have a network of very fine filamentous or threadlike structures which exchanges information. These structures are called as nerves.
neurons
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The delayed monsoon is ready to depart now
The South West Monsoon is ready to go in a delayed manner. It is returning late continuously since last three years.
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.
The Strange Bioinsecticide: The Ladybird
Ladybird is one uncommon compound word made by the union of two simple common words – Lady and Bird. But,…
Restrictions on Play for girls
In early society, girls were restricted from play. They were restricted inside homes. This was something to do with our social conditions and traditions. But, girls are being given more rights today than they had earlier.
Diversity of leaves and Leaf-fall
Though there are two basic types of leaves of monocotyledonous and dicotyledonous plants, we observe immense diversities in their arrangements, sizes, and shapes.
Some leaves are very short, as short as they cannot be seen through naked eyes where as there are big broad leaves that can form many umbrellas for small children.
Technological Development
The application of scientific knowledge for practical purposes, especially in industry, is called as technology.
Post Stockholm Developments
Environment and its components like wildlife and Natural Resources constitute the vital life support system for all life on this planet. The protection of these through the cumulative efforts of the world community started across globe due to the persistent efforts of the United Nations through its Environmental Programme (UNEP).
International legal regimes: on trade and environment
The Environmental Calamities that shook the humanity during fifties and sixties were powerful enough to generate serious and widespread sense of responsibility among world nations towards the global environment. Some of these calamities include : The killer smog in New York and London which claimed 5000 lives in 1952; The mercury poisoning due to the consumption of mercury-contaminated seafood in Japan;
Teaching the Environmental Education
Teaching of environmental education is rather different. In involves practical experiences. For this both indoor and outdoor studies are essential.It also involves parents and community
Vegetative Propagation of Plants
When a new plant is developed or caused to develop through stem, root or leaf the method is called as vegetative reproduction. In other words, vegetative reproduction means- reproduction through anyone of the vegetative parts of the plant.
