Which one of the following is a case of wrong matching? (a) Somatic – Fusion of two hybridization diverse cells (b) Vector DNA – Site for tRNA synthesis (c) Micropropagation – In vitro production of plants in large numbers (d) Callus – Unorganised mass of cells produced in tissue culture

Which one of the following is a case of wrong
matching?
(a) Somatic – Fusion of two
hybridization diverse cells
(b) Vector DNA – Site for tRNA synthesis
(c) Micropropagation – In vitro production of
plants in large numbers
(d) Callus – Unorganised mass of
cells produced in tissue
culture
by

1 Answer

Answer :

(b) Vector DNA – Site for tRNA synthesis
by

Related questions

9. Which one of the following is a case of wrong matching ? (1) Callus - Unorganised mass of cells produced in tissue culture (2) Somatic hybridization - Fusion of two diverse cells (3) Vector DNA - Site for t-RNA synthesis (4) Micropropagation - In vitro production of plants in large number

Description : 9. Which one of the following is a case of wrong matching ? (1) Callus - Unorganised mass of cells produced in tissue culture (2) Somatic hybridization - Fusion of two diverse cells (3) Vector DNA - Site for t-RNA synthesis (4) Micropropagation - In vitro production of plants in large number

Last Answer : Vector DNA - Site for t-RNA synthesis

Transgenic plants are the ones (a) generated by introducing foreign DNA into a cell and regenerating a plant from that cell (b) produced after protoplast fusion in artificial medium(c) grown in artificial medium after hybridization in the field (d) produced by a somatic embryo in artificial medium.

Description : Transgenic plants are the ones (a) generated by introducing foreign DNA into a cell and regenerating a plant from that cell (b) produced after protoplast fusion in artificial medium (c) grown in ... medium after hybridization in the field (d) produced by a somatic embryo in artificial medium.

Last Answer : (a) generated by introducing foreign DNA into a

With reference to plant tissue culture select the matching pair: (1) Sterile triploid—banana and seedless fruit (2) Somaclonal variations—differences appearing (3) Embryoids—non-zygatic embryo produced from somatic cells (4) Pulses—belong to cruciferae

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Last Answer : Ans. ((a))

The technique of obtaining large number of plantlets by tissue culture method is called (a) plantlet culture (b) organ culture (c) micropropagation (d) macropropagation.

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Restriction endonucleases (a) are present in mammalian cells for degradation of DNA when the cell dies (b) are used in genetic engineering for ligating two DNA molecules (c) are used for in vitro DNA synthesis (d) are synthesized by bacteria as part of their defense mechanism.

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Last Answer : (d) are synthesized by bacteria as part of their defense mechanism.

Restriction endonucleases are (a) used for in vitro DNA synthesis (b) used in genetic engineering (c) synthesized by bacteria (d) present in mammalian cells for degradation of DNA.

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Callus is a. Tissue that forms embryo b. An insoluble carbohydrate c. Tissue that grows to form embryoid d. Unorganized actively dividing mass of cells maintained in cultured

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Last Answer : answer:

A process of formation of somatic embryos from callus

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Last Answer : Ans. Embryogenesis

Genetic information of nuclear DNA is transmitted to the site of protein synthesis by (A) rRNA (B) mRNA (C) tRNA (D) Polysomes

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What is common to the techniques (i) in vitro fertilisation, (ii) Cryopreservation and (iii) tissue culture?

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Which part would be most suitable for raising virus-free plants for micropropagation ? (a) Bark (b) Vascular tissue (c) Meristem (d) Node

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Which part would be most suitable for raising virus-free plants for micropropagation ? (1) Node (2) Bark (3) Vascular tissue (4) Meristem

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Assertion : In plant tissue culture somatic embryos can be induced from any plant cell. Reason : Any viable plant cell can differentiate into somatic

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During which stage or phase of bone healing after fracture is devitalized tissue removed and new bone reorganized into its former structural arrangement? a) Remodeling Remodeling is the final stage of fracture repair. b) Inflammation During inflammation, macrophages invade and debride the fracture area. c) Revascularization Revascularization occurs within about 5 days after the fracture. d) Reparative Callus formation occurs during the reparative stage but is disrupted by excessive motion at the fracture site.

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Transgenic animals may be prepared by introducing a foreign gene into (A) Somatic cells of young animals (B) Testes and ovaries of animals (C) A viral vector and infecting the animals with the viral vector (D) Fertilised egg and implanting the egg into a foster mother

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Crossing of plants through fusion of somatic cell

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Ciprofloxacin inhibits the synthesis of (A) DNA (B) mRNA (C) tRNA (D) rRNA

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Callus is a term usually referring to: a. The tissue on the collar of a limb b. The first tissue develops on a cut surface just before the root formation iniates. c. Deformed growth on plant limbs d. A disease of plant leaves and limbs

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Culture of an organ in vitro

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Trypanosoma species can be culture in vitro on a number of medium including C A. NNN mediu B. Weinmann’s medium C. Both D. None

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Advantage of producing plants by micropropagation. -Biology

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Last Answer : answer:

The new varieties of plants are produced by (a) introduction and mutation (b) selection and introduction (c) selection and hybridization (d) mutation and selection.

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The process of union of two or more molecules of a substance to form a large single molecule is called : (1) Fusion (2) Diffusion (3) Polymerization (4) Synthesis

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With regard to interleukins: a. IL-2 is produced mainly by CD8+ cells b. IL-3 stimulates the growth of haemopoietic stem cells c. IL-4 increases the production of IL-1 d. IL-6 stimulates acute phase protein synthesis

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