IMBIBITION
sanaThe special type of diffusion in which an imbibant absorbs water on its surface without dissolving in it is called imbibition. lmbibant is a hydrophilic surfaces like protein. starch or…
Importance of Plant Systematics
sidraPlant systematic has great importance for the study of botany: It is used to describe different species. The description of each new species is preserved. It is used for comparison.…
Diffusion
The movement of molecules from higher concentration to lower concentration is called diffusion. Diffusion occurs down the concentration gradient. It is a spontaneous process. Diffusion continues till dynamic equilibrium is…
Mendel’s Law of Segregation
rubabIt states that two coexisting alleles for each trait in an individual segregate from each other during meiosis and each gamete receives only one of the two alleles not both.…
Multiple Choice Questions (MCQs)
Mixing of table salt in water makes: (a) Mixture (b) Compound (c) Colloidal (d) Solution Which of the followings is electrolyte? (a) glucose (b) NaCI (c) sugar (d) Ether For…
MODEL OBJECTIVE QUESTIONS
What are solutions, solute and solvents? Ans: A homogeneous mixture of two or more substances is called solution. The dissolved substance is called solutes. The substance which dissolves a solute…
MENDELIAN INHERITANCE
Introduction of Mendel Gregor Joha Mendel was borne in 1822. He died in 1884. He was a priest. He formulated two laws of heredity: (a) Law of segregation (b) Law…
Aims and Objective of Plant Systematics
Hie aims, and objects of natural classification are to name, describe, and arrange plants. Inis arrangement should show degree of relationship among plains. This degree of relationship is called affinities.…
DEFINITIONS AND KEY POINTS FOR OBJECTIVES
TERMS DEFINITIONS Solution A homogeneous mixture of two or more substances is called solution. - Solute The dissolved substans Ice is called solutes Solvent The substance which. dissolves…
History of Genetics
Mendel's laws: The laws of inheritance were derived by Gregor Mendel. He was 19th century Austrian monk. He was conducting plant hybridity experiments. Between 1856 and 1863, he cultivated and…