The formation of an entire plant from cultured explants is called?
A) Callus
B) Regeneration
C) Embryogenesis
D) Organogenesis
Excised plant portion used to initiate plant tissue culture is called?
A) Callus
B) Medium
C) Explant
D) Cybrid
Regeneration of plant from tissue of actively dividing organ like stem tip is called?
A) Shoot culture
B) Meristem culture
C) Organ culture
D) Cell culture
The growth of tissue of a living organism in a suitable culture medium is called?
A) Cell culture
B) Organogenesis
C) Morphogenesis
D) Tissue culture
Commonly used gelling agent is?
A) Gelatine
B) Vermiculite
C) Charcoal
D) Agar
Agarose powder is isolated from?
A) Bacteria
B) Fungus
C) Algae
D) Yeast
The development of a structure from an unorganized state to differentiated and organized state is called?
A) Redifferentiation
B) Totipotency
C) Morphogenesis
D) All of these
For filter sterilization, pore size should be?
A) < 0.45 μ
B) > 0.45 μ
C) > 0.45 mm
D) > 25 mm
For explant sterilization, ________% Mercuric chloride concentration is generally used?
A) 0.1-1.0%
B) 5-10%
C) 0.001-0.01%
D) 20-25%
Which of the following chemicals is not used for sterilization of explants?
A) Bromine water
B) H2O2
C) HgCl2
D) Si

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