Which method of plant propagation involves the use of girdling? Grafting Cuttings Micropropagation Layering TRUE ANSWER : ? YOUR ANSWER : ?
Cellular totipotency is the property of animals all of these bacteria plants TRUE ANSWER : ? YOUR ANSWER : ?
A(n) __________ is an excised piece of leaf or stem tissue used in micropropagation. scion medium explant microshoot TRUE ANSWER : ? YOUR ANSWER : ?
In a callus culture increasing level of auxin to a callus induces shoot formation and increasing level of cytokinin promote root formation only auxin is required for root and shoot formation increasing level of cytokinin to a callus induces shoot formation and increasing level of auxin promote root formation auxins and cytokinins are not required TRUE ANSWER : ? YOUR ANSWER : ?
What is/are the benefit(s) of micropropagation or clonal propagation? Multiplication of disease free plants Rapid multiplication of superior clones Multiplication of sexually derived sterile hybrids All of these TRUE ANSWER : ? YOUR ANSWER : ?
The ability of the component cells of callus to form a whole plant is known as either (a) or (b) dedifferentiation redifferentiation none of these TRUE ANSWER : ? YOUR ANSWER : ?
When plated only in nutrient medium, how much time is required for the protoplast to synthesize new cell wall? 10-15 days 2-5 days 15-17 days 5-10 days TRUE ANSWER : ? YOUR ANSWER : ?
What is meant by 'Organ culture' ? Cultivation of organs in a laboratory through the synthesis of tissues Introduction of a new organ in an animal body with a view to create genetic mutation in the progenies of that animal Maintenance alive of a whole organ, after removal from the organism by partial immersion in a nutrient fluid The aspects of culture in community which are mainly dedicated by the need of a specified organ of the human body TRUE ANSWER : ? YOUR ANSWER : ?
Organogenesis is formation of callus tissue genesis of organs formation of root and shoots on callus tissue both (a) and (b) TRUE ANSWER : ? YOUR ANSWER : ?
Subculturing is similar to propagation by cuttings because it separates multiple microshoots and places them in a medium it uses scions to produce new microshoots All of these they both use in vitro growing conditions TRUE ANSWER : ? YOUR ANSWER : ?