Category Archives: General Science

General science articles for competitive examination

About Male Reproductive System

By | April 22, 2015

The human male reproductive system is composed of a pair of testes, genital ducts, several accessory glands and penis, Testis is the primary male reproductive organ. it lies in small sac-like muscular structure outside the abdominal cavity called scrotum. Image Source: Wikimedia Testes In male adults, each testis is a small, pinkish and oval. But composite structure about… Read More »

About Female Reproductive System

By | April 22, 2015

Female reproductive system consists of the two ovaries, two oviducts (fallopian tubes), the uterus, cervix, a vagina, accessory genital glands, mammary glands, etc. In females, paired ovaries are located in the abdominal cavity near the kidney. The ovaries perform dual function of (i) production of female gamete (ovum) and (ii) secretion of female hormones (estrogen and progesterone). Each… Read More »

Human Bones, Joints and Muscles

By | April 2, 2015

1. Bones The Skeleton System: The human endoskeleton is made up of bones and cartilage of various types. Bone is a hard connective tissue in which the ground substance is very hard and contains calcium salts. The marrow of the long bones is the site for the haemopoiesis, i.e. formation of blood and blood cells. Human skeleton consists… Read More »

Classification of Plant Kingdom – Cryptogamae & Bryophyta

By | March 9, 2015

Depending upon the presence or absence of flowers and seeds entire classification of plant kingdom is divided into two types. They are Cryptogamae and Phanerogamae. 1. Cryptogamae: Cryptogams include all non-flowering plants such as algae, fungi, lichens, mosses and fern (Kryptos: concealed; gamus: marriage). Cryptogamae is further subdivided into three parts: Thallophyta, Bryophyta and Pteridophyta. 1.1 Thallophyta: Both… Read More »