Questions and Answers on Environment
Ans. Specific enzymes are needed for degradation of substances. A single enzyme cannot degrade many substances. Different types of microorganisms…
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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….
Importance of forests and Wildlife
Forests and wildlife are integral part of environment. Forests control climate, soil erosion and wildlife. They cause rains.
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.
Biomass Energy and its implications
The dry weight of organic matter produced by plants, their derivatives and wastes are called as BIOMASS. The biomass includes crop residues, plant parts, body parts of dead animals and animal wastes. As biomass is created due to photosynthesis by plants, so energy from biomass or bio wastes is regarded as another form of solar energy.
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.
Renewable Energy
Anything from which we can derive energy is called as a source of energy. Since all the life processes need energy, energy is most important for our survival. Our body derives energy from the food we eat. Thus, the food we eat is the source of energy for our body. But this is not the whole story. We need energy for our growth and economic development as well.
Reproduction and Variation in Planaria
Living beings have many processes in common. Among all the common processes there is one very interesting and wonderful process…
Management and Protection of Crops
Proper arrangement of resources and techniques to check losses to crops through different factors is called as Crop Protection Management.
What is the interaction between members of the same species?
Living beings interact with each other, with members of other species, and with components of the abiotic environment in an…
Restrictions on Play- Some Gender Issues II
In early society, girls were restricted from play. They were restricted inside homes. But, now it is considered that Play is fundamental to children’s happiness and well-being, and the evidence shows that it is also influential in their health and processes of future life developments.
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.
