A Strange Bioinsecticide
Ladybird is one uncommon compound word made by the union of two simple common words – Lady and Bird. But, the two simple words when joined together can produce strange effect.
cottony cushion scale insect
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Natural Ponds Drying up in Ranchi
Sometimes back Ranchi was known as the city of ponds. Every area by then had a pond and people of…
The Danger of Extinction of Ten Lac Species during this Century
These birds used to fly in and around our houses about some decades ago. But these birds are very rarely seen in our surroundings.
World Water Week 2020 – at Home
World Water Week Stockholm is celebrated every year from 23 to 28 Aug. every year. Due to pandemic covid-19 it is taking place from 24 to 28 Aug. this year with a theme- World Water Week at Home.
Herbs Mixed Jaggery prepared to cure diseases
Jaggery is a traditional sweet of India. After the appearance of sugar in Indian markets, its use was slowed down for some decades. But now it is being used in urban areas also. It is reported that jaggery contains many medicinal properties and it is full of nutrients.
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.
Drink More Water in summer
Water is the principal constituent of our body. Water is chemically an inorganic, transparent, tasteless, odourless, and colourless. It is the main constituent of the hydrosphere of the earth.
Fern species that grow on old walls in
Ferns belong to Pteridophytes and grow on high altitudes in moist cold places. These don’t need any fertile soil. Since Ranchi or the most part of Jharkhand is located on high land its climate is rather different and somewhat similar to those area of mountains. The author reports here the two fern species that preferably grow in this region that too on old walls.
Questions and answers on Heredity/Bio- X
1. Trait-A exists in 10% of a population of an asexually reproducing species and trait-B in 60%of the same population….
Loss of Energy in the Food –Chain
About 1000J radiant energy comes to the earth from the sun. Out of this, only 10% of the total energy is used up by green plants in the process of Photosynthesis. Remaining 990J of energy escapes away into the atmosphere. 10J of energy is stored in the form of chemical energy in starch and sugars.
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.
Types of animals: Vertebrates and Invertebrates
According to their physical make up, there are basically two types of animals- Vertebrates and invertebrates. Invertebrates are those animals that don’t have a vertebral column or backbone. On the other hand, Vertebrates are those animals who have a vertebral column or the back bone.
