Improvement in Food Resources Introduction
Introduction - Man is an omnivore. He depends on both plants and animals for food. We know that crops are a major source of food. In this chapter, we shall study about animal sources of food. Animal sources include eggs, meat, milk and fish. Eggs and meat are..
Introduction
Man is an omnivore. He depends on both plants and animals for food. We know that crops are a major source of food. In this chapter, we shall study about animal sources of food. Animal sources include eggs, meat, milk and fish. Eggs and meat are rich in proteins, fats, ..
Introduction
All living creatures need food. The food is consumed so that energy is obtained. The energy is utilised by the body for various purposes like locomotion, conduction of impulses, repair of damaged tissues, building of cell materials, etc. The substance that is used to release en..
Introduction
Carbon is an element which is of immense significance to us in both its elemental form and in the combined form. Most of what surround you will some compounds of carbon, including your family members and pets! The list given below illustrates the importance of carbon compounds in our daily life: ..
Introduction
. Litmus, a purple dye extracted from the lichen plant, is commonly used as an indicator in laboratories. Acids change the colour of litmus solution to red, and bases change the colour of litmus solution to blue. Turmeric is another common household indicator. A stain of turmeric based food..
Respiration Introduction
Introduction - All living creatures need food. The food is consumed so that energy is obtained. The energy is utilised by the body for various purposes like locomotion, conduction of impulses, repair of damaged tissues, building of cell materials, etc. The substance th..
Acids, Bases and Salts Introduction
Introduction - Acids, bases and salts are three main categories of chemical compounds. These have certain definite properties which distinguish one class from the other. The sour taste of many fruits and vegetables, lemon for instance, is due to various types of acids present in them. The..
Respiration
Introduction - All living creatures need food. The food is consumed so that energy is obtained. The energy is utilised by the body for various purposes like locomotion, conduction of impulses, repair of damaged tissues, building of cell materials, et..
Varietal Improvement
There are several varieties of rice available in the market. Similarly, there are many varieties of mangoes and brinjals. Each variety is unique in its colour, size, shape and taste. Thus, one type of plant has many varieties. A lot of research has gone into creating these varieties. They have been..
Introduction
The process of introducing new plants from the place of their cultivation to a place with different climate is termed as plant introduction. The adjustment of such plants to this new locality is called acclimatization. The new crops are introduced in the form of seeds, bulbs or cuttings...
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