Action of Different Mineral Nutrients in Plant Nutrition
Source of Nutrients: Among all the nutrients the plants from atmosphere absorb only Carbon and Oxygen. Other elements are absorbed from the soil by root.…
Biology
Nutrient Elements of Plants
Plants take up essential elements from the soil through their roots and from the air through their leaves. Plants nutrient elements are divided into two…
What is Plant Nutrition?
Green plants manufacture carbohydrate foods by the process of Photosynthesis. These foods again break down to water, CO2 and energy. That energy is used in…
Toad’s Fertilization and Development
After the formation of ova in the ovaries of female toad, they pass towards the outer side through the oviducts. At this time the ova…
Structure of Toad’s Ovum and Sperm
A complex dialogue exists between ovum and sperm. The egg activates the sperm metabolism that is essential for fertilization, and the sperm reciprocates by activating…
Female Toad Reproductive System
The organs which form the female reproductive system of toad are: (1) A pair of ovaries (2) A pair of oviducts (3) A pair of…
Male Toad Reproductive System
In the male toad, the organs which take the direct part in reproduction are- A pair of testis A pair of vasa efferentia Urino-genital duct…
Reproduction System of Toad
Reproduction is a physiological function. It is necessary for the continuance of species, so that it does not become extinct. This process can be accomplished…
Excretion Process of Toad
Amino acid is produced due to digestion of protein. This amino acid is used to perform various Biological functions. Excess and unused amino acid under…
Microscopic Structure of Toad’s Kidney
Each kidney of toad is formed by the combination of numerous fine coiled renal tubules. In each kidney, there are about two thousand such coiled…
Load More