Methods of Breaking Seed Dormancy
sanaFollowing methods are used to break the seed dormant: Methods of breaking dormancy of hard seed coat: The dormancy of hard seed coal can be broken by following methods: (a)…
Seed Dormancy & its Causes
The physiological inability of a seed to germinate even under favourable condition is called seed dormancy. Many kinds of seeds can germinate immediately after maturation. The seeds in some species…
MORPHOLOGY AND PHYTOGRAPH Multiple Choice Questions (MCQs) OF
sidraI. Napiform root is found in: a) krigl ish carrot( b) Radish (c tirnip (d) Tomato
Objective for photoperiodism
Multiple Choice Questions (MCQs) Experiments on hemp were performed by: (a) Garner (b) hi ien (c) Kleb (d) Hamner Experiment on house leek plants were performed by: (a) Garner (b)…
Subjective and Short questions for photoperiodism
Subjective questions for photoperiodism: What is photoperiodism? Give its historical background. Give classification of plants on the basis of photoperiodic responses. What is critical period? Explain. What are phytochromes? Give…
Objectives of Chromosomal Aberration
rubabMultiple Choice Questions (MCQs) 1-The random abnormal number of chromosomes in the animals is called: • (a) Poh, ploidy (b) Euploid (c) aneuploid) (d) None A neuploith is mostly caused…
Subjective & Short Questions of Chromosomal Aberration
SUBJECTIVE QUESTIONS Describe different types of aberrations caused due to change in chromosome number. What is aneuploidy? Give its different types. What is polyploidy? Give its different forms. What is…
Definition & key points of Chromosomal Aberration
TERMS DEFINITIONS Chromosome aberration Any numerical or structural change in the usual chromosome complement of a cell or organism is called chromosome aberration. Aneuploidy The random abnormal number of chromosomes …
Change in structure of chromosome with types
Sometimes, there can be breakage of a chromosome. It can produce variety of arrangements. These arrangements affect the genes of that chromosome. There are following types of chromosomal structural changes:…
DEFINITIONS AND KEY POINTS FOR Photoperiodism
TERMS DEFINITIONS Photoperiodism The response of plant tothe relative length of light and dark period is called photoperiodism. Short Day Plants (SDP) The plants that flower when day length…