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)
sanaMixing 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…
WHAT IS ZOOLOGY? with examples and classification methods
abidaZoology is derived form two Greek words. Gr zoon + logos, to study. The study of animals is called Zoology. There is a great variety of animals and complex processes…
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
sidraHie 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…
ENVIRONMENT AND WORLD RESOURCES
The environment includes other organism and non-living factors, The environment is composed of two parts biotic components and abiotic components. Biotic components The living components are called biotic components. They…
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…
Colloidal System – Properties & Significance
A heterogeneous mixture in which solute particles are larger than molecules or ions but cannot be seen by naked eye is called colloidal solution. A system which shows properties of…