Germplasm Conservation
rubabThe sum total of all the genes present in a crop and its related species constitutes its germplasm. It is ordinarily represented by a collection of various strains and species.…
Objective for Ecophysiology
sanaMultiple Choice Questions (MCQs) Which of the followings form visible spectrum? (a) 400-750 (b) 300-600 (c) 200- 700 (d) 400- 500 The ultraviolet radiations have wavelengths less than: (a) 300 …
Ranunculaceae family floral formula , characters & importance
sidraRanunculaceae family Diagnostic characters I. Habits: Annual or perennial herbs Roots: Tuberous root Stem: Herbaceous stem, develops rhizome Leaves: Petiolate. Alternate rarely opposite. simple or compound, exstipulate, reticulate venation. Inflorescence:…
Subjective And Short Questions for Ecophysiology
Subjective Questions: Discuss scope and development of ecology. Write note on quality of light. Give classification of plants on the basis of light. Describe different ecophyiological responses of light. Give…
ANGIOSPERMIC FAMILIES
Scheme of Description of families Technical terms of Flowers Bracteate: Bract is small leaf in axils of which flower arises. If bract present it is called bracteate, if absent it…
Objectives of Evolution
Multiple Choice Questions (MCQs) Comparative anatomy was studied by: (a) Empedocles (b) Darwin (c) Buffon (d) Lamarck The theory of acquired characters was put forward by: (a) Empedocles (b) Darwin …
Subjective & Short Questions of Evolution
SUBJECTIVE QUESTION 1-Write note of Lamarckism. Describe theory of natural selection of Darwin. Give different evidences of evolution. Write note on modern synthesis. What is Hardy-Weinberg theorem? Give its…
Deffinition & Key Points of Evolution
TERMS DEFINITIONS Evolution The change over time in specie is called evolution Adaptive radiation The formation of new forms from an ancestral species in response to the opening of new…
EVOLUTIONARY MECHANISMS
Evolution is not a creative work force. It is not working for the progress. Evolution helps some individuals in a population to survive. They reproduce more effectively than others in…
THE HARDY-WEINBERG THEOREM
English mathematician Godfrey II. Hardy and German physician Wilhelm Weinberg independently derived a mathematical model in 1908. This model explains what happens to the frequency of alleles in a population…