What is meant by 'Organ culture' ? The aspects of culture in community which are mainly dedicated by the need of a specified organ of the human body 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 Cultivation of organs in a laboratory through the synthesis of tissues TRUE ANSWER : ? YOUR ANSWER : ?
Subculturing is similar to propagation by cuttings because it separates multiple microshoots and places them in a medium they both use in vitro growing conditions All of these it uses scions to produce new microshoots TRUE ANSWER : ? YOUR ANSWER : ?
Organogenesis is genesis of organs formation of root and shoots on callus tissue both (a) and (b) formation of callus tissue TRUE ANSWER : ? YOUR ANSWER : ?
Agrobacterium based gene transfer is efficient with majority monocots and few dicots with both monocots and dicots only with monocots only with dicots TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is considered as the disadvantage of conventional plant tissue culture for clonal propagation? Less multiplication of disease free plants Both (b) and (c) Storage and transportation of propogates Multiplication of sexually derived sterile hybrids TRUE ANSWER : ? YOUR ANSWER : ?
The ability of the component cells of callus to form a whole plant is known as redifferentiation dedifferentiation either (a) or (b) none of these TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is used in the culture of regenerating protoplasts, single cells or very dilute cell suspensions? Both (a) and (b) Nurse medium Nurse or feeder culture None of these TRUE ANSWER : ? YOUR ANSWER : ?
The phenomenon of the reversion of mature cells to the meristematic state leading to the formation of callus is known as none of these either (a) or (b) dedifferentiation redifferentiation TRUE ANSWER : ? YOUR ANSWER : ?
A(n) __________ is an excised piece of leaf or stem tissue used in micropropagation. microshoot medium explant scion TRUE ANSWER : ? YOUR ANSWER : ?
In a callus culture auxins and cytokinins are not required increasing level of cytokinin to a callus induces shoot formation and increasing level of auxin promote root formation 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 TRUE ANSWER : ? YOUR ANSWER : ?