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Free download in PDF Tissue Culture Multiple Choice Questions(MCQs) & Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams. These short solved questions or quizzes are provided by Gkseries.
(1)
Growth hormone producing apical dominance is
[A]
Auxin
[B]
Gibberellin
[C]
Ethylene
[D]
Cytokinin
(2)
Part of plant used for culturing is called
[A]
Scion
[B]
Explant
[C]
Stock
[D]
Callus
(3)
Callus is
[A]
Tissue that forms embryo
[B]
An insoluble carbohydrate
[C]
Tissue that grows to form embryoid
[D]
Un organised actively dividing mass of cells maintained in cultured
Answer: Un organised actively dividing mass of cells maintained in cultured
(4)
Cybrids are produced by
[A]
Fusion of two different nuclei from two different species
[B]
Fusion of two same nuclei from same species
[C]
Nucleus of one species but cytoplasm from both the parent species
[D]
None of the above
Answer: Nucleus of one species but cytoplasm from both the parent species
(5)
The most widely used chemical for protoplast fusion, as fusogens, is
[A]
Manitol
[B]
Sorbitol
[C]
Mannol
[D]
Poly ethylene glycol (PEG)
Answer: Poly ethylene glycol (PEG)
(6)
DMSO (Dimethyl sulfoxide) is used as
[A]
Gelling agent
[B]
alkaylating agent
[C]
Chelating agent
[D]
Cryoprotectant
(7)
Hormone pair required for a callus to differentiate are
[A]
auxin and cytokinin
[B]
auxin and ethylene
[C]
auxin and absiccic acid
[D]
cytokinins and gibberllin
Answer: auxin and cytokinin
(8)
Synthetic seed is produced by encapsulating somatic embryo with
[A]
sodium chloride
[B]
sodium alginate
[C]
sodium acetate
[D]
sodium nitrate
(9)
The production of secondary metabolites require the use of
[A]
protoplast
[B]
cell suspension
[C]
meristem
[D]
auxillary buds
(10)
Who is the father of tissue culture?
[A]
Bonner
[B]
Haberlandt
[C]
Laibach
[D]
Gautheret
(11)
Which vector is mostly used in crop improvement?
[A]
Plasmid
[B]
Cosmid
[C]
Phasmid
[D]
Agrobacterium
(12)
Which of the following plant cell will show totipotency?
[A]
Xylem vessels
[B]
Sieve tube
[C]
Meristem
[D]
Cork cells
(13)
Somaclonal variations are the ones
[A]
Caused by mutagens
[B]
Produce during tissue culture
[C]
Caused by gamma rays
[D]
Induced during sexual embryogeny
Answer: Produce during tissue culture
(14)
To obtain haploid plant, we culture
[A]
Entire anther
[B]
Nucleus
[C]
Embryo
[D]
Apical bud
(15)
A medium which is composed of chemically defined compound is called
[A]
Natural media
[B]
Synthetic media
[C]
Artificial media
[D]
None of these
(16)
The growth of plant tissues in artificial media is called___________
[A]
Gene expression
[B]
Transgenesis
[C]
Plant tissue culture
[D]
Cell hybridization
Answer: Plant tissue culture
(17)
Which of the following is NOT the feature of plant cells?
[A]
Presence of centrioles
[B]
The cell wall outside the cell membrane
[C]
Cell-cell communication through plasmodesmata
[D]
Consists of plastids
Answer: Presence of centrioles
(18)
Name the term given to the ability of single cells to divide and produce all the differentiated cell in the organism?
[A]
Totipotency
[B]
Multipotent
[C]
Unipotent
[D]
Pluripotent
(19)
Out of the following, which one is NOT the basic component of culture media used for plant cultivation?
[A]
Complex mixture of salts
[B]
Amino acids
[C]
Serum albumin
[D]
Sugar/ sucrose
(20)
Mark the INCORRECT statement about agar, a gelling agent in plant tissue culture medium?
[A]
Not digested by plant enzymes
[B]
It does not use in microprapogation work
[C]
It does not react with media constituents
[D]
Remain stable at incubation temperature
Answer: It does not use in microprapogation work
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