Watch Video Lecture Here .. Fibres are the materials, which are available in the form of thin, continuous and flexible strands spun into yarn and made into fabrics. Fabrics are defined as a cloth material made by knitting or weaving or of threads together. Types of Fibre There are two types
Food is a basic requirement for all living organisms. It provides energy for carrying out normal physiological activities. There are different components and they have different nutrients. They all come together to provide wholesome nourishment to us. For Example: * Dal, eggs, meat etc contain proteins. * Fruits and vegetables contain vitamins.
The component that we consume, which provides nourishment to the body, is called food. E.g., Rice, chapati, curry, fruits, vegetables, cheese, bread, milk, curd, butter, etc. Watch Lecture Here 👇 What is food, variety of food, Ingredients of food? Food is source of nutrition that living organisms ear, drink or
Introduction * Chemical Reactions: Chemical reactions are fundamental processes where one or more reactants undergo transformation to produce new substances known as products. These changes involve rearrangements of molecular structures and altering the physical and chemical properties of the substances involved. * Indicators of Chemical Reactions: * Transition in Physical State: Includes changes
Q1. Fill in the blanks: (a) Humans reproduce _____ (asexually/sexually) (b) Humans are _____ (oviparous, viviparous, ovoviviparous) (c) Fertilisation is _____ in humans (external/internal) (d) Male and female gametes are _____ (diploid/haploid) (e) Zygote is _____ (diploid/haploid) (f) The process of release of ovum from a mature follicle is called _____ (g)
Q1. Name the parts of an angiosperm flower in which development of male and female gametophyte take place. The development of male and female gametophytes in an angiosperm flower takes place in the following parts: * Male gametophyte: The stamen, specifically inside the microsporangium of the anther. * Female gametophyte: The pistil,
Q1. Why is reproduction essential for organisms? Reproduction is essential for organisms as it enables the continuity of the species, generation after generation. Without reproduction, species cannot survive for long because individual organisms eventually die. Through reproduction, organisms give rise to offspring that grow, mature, and produce new offspring, ensuring