Sexually Transmitted Diseases (STDs) :- Diseases which are transmitted through sexual intercourse are collectively called Sexual Transmitted Diseases (STDs) or Venereal Diseases or Reproductive tract infections. Examples :- Gonorrhoea, Syphilis, Genitalia warts, AIDS etc. Name of Sexual Transmitted Diseases, Causes and Symptoms :- Cause – Trichomonas vaginalis (protozoa). Symptoms – vaginal infection and secretion. 2….
Methods to control Population Growth :- The most important step to overcome this population growth rate is to motivate a smaller families by using various contraceptive methods. 1. Natural methods :- This method work on the principle of avoiding chances of ovum and sperms meeting periodic abstinence is one such method in which the couples…
Reproductive Health :- According to World Health Organization (WHO) – It means total well-being in all aspects of reproduction i. e. physical, emotional, behavior and social. Aspects of Reproductive Health :-
Fertilization in Humans :- The Fertilization process was first study by Lillie in Echinoderms . Fertilization is the process in which male gamete and female gamete fuse together . In human being Fertilization takes place Fallopian tube between the two dissimilar gametes of the same Species . Fertilization may be external ( out side the…
Human Reproduction :- Human beings are nonseasonal breeders ,there is no Oestrus / heat . Male Reproductive System :- In human reproduction , The male Reproductive System Consists of paired testes , Several Accessory glands , a duct System and a mating Organ called the penis . Scrotum :- In man , both testes normally…
Development of Embryo in Flowering Plants :- Development of Embryo in Flowering Plants occur at the micropylar end of the embryo sac where the zygote is situated . Endosperm :- During the development of Embryo in Flowering Plants the primary endosperm cell divides repeatedly and form a triploid Endosperm tissue .The cells of this tissue…
Structure of Flower :- A Flower is the Sexual Reproductive Organ in Plants. Flowers are often the most attractive structures of plant. Calyx :- These are green Petal like structure that are found in right above the base of the flower called Receptacles. Corolla :- It is the collective name given to the petals which…
Sexual Reproduction :- Sexual reproduction occurs when the sperm from the male parent fertilizes an egg from the female parent, producing an offspring that is genetically different from their parents. The Stages of Sexual Reproduction :- 1. Pre – fertilization :- This stage involves the events prior to fertilization. Gamete formation ( Gametogenesis ) and…
Reproduction :- Reproduction is the biological process by which new individual organisms ( offsprings ) are produced from their parents. It is a fundamental features of all known life. Types of Reproduction :- There are of mainly two types. – Asexual Reproduction :- It is the biological process in which an organism can reproduce without…
