digital image reproduction

Flowers are primarily concerned with sexual reproduction. But, in some plants such as Agave, the flower bud becomes modified into specialised structures called the bulbils . The bulbils are fleshy on account of storage of food in the floral leaves. The bulbils drop from the parent plant o..

Binary Fission - It is the most common mode of asexual reproduction. The cytoplasm and nucleoid of a bacterial cell divide equally into two, following replication of DNA. The cell wall and cytoplasm also split resulting in the formation of two daughter cells. Under favourable conditions, ..

In frog sexes are separate. Male and female frogs can be morphologically distinguished. The male frog have vocal cords which enable them to make a croaking noise to attract the females during the rainy, breeding season. The male reproductive system consists of a pair of testis that are at..

The female reproductive system consists of a pair of ovaries, a pair of oviducts, uterus, vagina and vulva. The main functions of the female reproductive system are to produce eggs, receive the sperms, provide the site for fertilisation, implantation of the growing embryo and d..

DEUTEROMYCETES (= FUNGI IMPERFECTI) E.g., CERCOSPORA, FUSARIUM fig. 8.22 - Classification of Fun..

Accumulation of Variation During Reproduction - All round us we see different organisms from the lowest forms to the highest. Species differ from each other. However, the variation we focus relates to the differences among individuals of a species. No two individuals are identical to each..

Female Reproductive System - The female reproductive system consists of a pair of ovaries, a pair of oviducts, uterus, vagina and vulva. The main functions of the female reproductive system are to produce eggs, receive the sperms, provide the site for fertilisation, im..

The human female reproductive system performs the following functions: a) Formation of eggs b) Reception of sperms during copulation c) Providing a conducive environment for fertilisation d) Providing shelter and nourishment to the growing embryo. The female reproductive system ..

In human beings, sexual reproduction takes place. Sexes are separate and hence they are known to exhibit sexual dimporphism. Males have sex organs called the tetes while the females have sex organs called the ovaries. Even in the external appearance, males and females show differences. So..

Digital Subtraction Angiography (DSA) is an imaging technique that produces clear views of flowing blood in vessels and shows the presence of blockages, if any. First an angiograph is taken of the organ and stored in a computer. A second angiograph is taken after a contrast age..