Biotechnology - Plant Cell Culture

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  • Section 1
"Nothing in life is to be feared, it is only to be understood."
- Marie Curie

A(n) __________ is an excised piece of leaf or stem tissue used in micropropagation.

A. microshootB. medium
C. extantD. scion


Protoplasts can be produced from suspension cultures, callus tissues or intact tissues by enzymatic treatment with

A. cellulotyic enzymes
B. pectolytic enzymes
C. both cellulotyic and pectolytic enzymes
D. proteolytic enzymes


Which of the following is considered as the disadvantage of conventional plant tissue culture for clonal propagation?

A. Multiplication of sexually derived sterile hybrids
B. Less multiplication of disease free plants
C. Storage and transportation of propogates
D. Both (b) and (c)


What is meant by 'Organ culture' ?

A. Maintenance alive of a whole organ, after removal from the organism by partial immersion in a nutrient fluid
B. Introduction of a new organ in an animal body with a view to create genetic mutation in the progenies of that animal
C. Cultivation of organs in a laboratory through the synthesis of tissues
D. The aspects of culture in community which are mainly dedicated by the need of a specified organ of the human body


Which method of plant propagation involves the use of girdling?

A. GraftingB. Cuttings
C. LayeringD. Micropropagation

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