What is/are the benefit(s) of micropropagation or clonal propagation? Rapid multiplication of superior clones All of these Multiplication of disease free plants Multiplication of sexually derived sterile hybrids TRUE ANSWER : ? YOUR ANSWER : ?
Cellular totipotency is the property of animals bacteria plants all of these TRUE ANSWER : ? YOUR ANSWER : ?
Agrobacterium based gene transfer is efficient only with dicots only with monocots with majority monocots and few dicots with both monocots and dicots TRUE ANSWER : ? YOUR ANSWER : ?
The ability of the component cells of callus to form a whole plant is known as dedifferentiation either (a) or (b) redifferentiation none of these TRUE ANSWER : ? YOUR ANSWER : ?
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 Cultivation of organs in a laboratory through the synthesis of tissues Maintenance alive of a whole organ, after removal from the organism by partial immersion in a nutrient fluid Introduction of a new organ in an animal body with a view to create genetic mutation in the progenies of that animal TRUE ANSWER : ? YOUR ANSWER : ?
Which method of plant propagation involves the use of girdling? Micropropagation Grafting Cuttings Layering TRUE ANSWER : ? YOUR ANSWER : ?
Subculturing is similar to propagation by cuttings because they both use in vitro growing conditions it separates multiple microshoots and places them in a medium All of these it uses scions to produce new microshoots TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is considered as the disadvantage of conventional plant tissue culture for clonal propagation? Storage and transportation of propogates Multiplication of sexually derived sterile hybrids Both (b) and (c) Less multiplication of disease free plants 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 15-17 days 2-5 days 5-10 days TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is used in the culture of regenerating protoplasts, single cells or very dilute cell suspensions? None of these Both (a) and (b) Nurse or feeder culture Nurse medium TRUE ANSWER : ? YOUR ANSWER : ?