Heterotrophic Nutrition - Types Of Heterotrophic Nutrition With Examples Types Of Heterotrophic Nutrition Heterotrophic Nutrition: It is a mode of nutrition in which the organisms obtain readymade organic food from outside sources. The organisms that depend upon outside sources for obtaining organic nutritens are called heterotrophs. Heterotrophic nutrition is of three … [Read more...] about Heterotrophic Nutrition – Types Of Heterotrophic Nutrition With Examples
Biology
Different Types Of Natural Fibres And Their Uses
Different Types Of Natural Fibres And Their Uses Fibres used to make fabric may be natural or synthetic. Fibres that are obtained from plants or animals are called natural fibres. Examples are cotton, jute, wool, and silk. Fibres that are made by man from chemical substances are called synthetic fibres. Examples are nylon, rayon, polyester, and acrylic. Let us learn more about … [Read more...] about Different Types Of Natural Fibres And Their Uses
Explain Different Methods of Contraception
Explain Different Methods of Contraception Prevention of pregnancy is called contraception. The techniques used in preventing the occurrence of pregnancy are called contraceptive devices. Mechanical Barrier Methods of Contraception : Condom : It is tubular latex sheath which is worn over the male copulatory organ or penis during sex. Cerival cap : It is rubber nipple … [Read more...] about Explain Different Methods of Contraception
What is Menstrual Cycle
What is Menstrual Cycle If the egg is not fertilized, it lives for one day and is then expelled. This sets in motion which is called menstrual or ovarian cycle. The first menstruation is called menarche. It stops between age 45–50 years. Stoppage of menstruction permantely is called menopause. Menstrual cycle consists of four phases. Menstrual Phase : It is … [Read more...] about What is Menstrual Cycle
Explain Reproduction in Human Beings
Explain Reproduction in Human Beings Reproduction in human : Male Reproductive System : The human male reproductive system consists of the following organs : A pair of testis lies in a small sac-like muscular structure outside the abdominal cavity called Scrotum. The function of testis is to produce sperm and male sex hormone called testosterone. The scrotum provides … [Read more...] about Explain Reproduction in Human Beings