Virus-free plantlets can be produced through?
A) Stem cutting
B) Meristem culture
C) Organ culture
D) Microspore culture
Browning in plant tissue culture media occurs due to?
A) Polyphenols
B) Sugar
C) Vitamins
D) Charcoal
The tendency of callus cells to separate easily is known as?
A) Friability
B) Hybridity
C) Callusing
D) Granulation
Regeneration of plant from tissue of actively dividing organ like stem tip?
A) Shoot culture
B) Meristem culture
C) Organ culture
D) Cell culture
The culture used for triploid production is?
A) Pollen
B) Endosperm
C) Embryo
D) Ovary
The production of haploid can be done by?
A) Chromosome elimination
B) Chromosome doubling
C) Double fertilization
D) All of these
In which phase does the cell attain capacity for embryogenesis and develop up to globular stage?
A) Developmental
B) Induction
C) Maturation
D) Germination
The production of haploid embryo or plantlets from pollen grain is known as?
A) Androgenesis
B) Androgenetic
C) Gynogenesis
D) Both A and B
Which of the following hormone is used for maturation of somatic embryo?
A) ABA
B) NAA
C) IBA
D) IAA
Generally, pH of media is adjusted at?
A) 3.8
B) 5.8
C) 6.8
D) 7.8

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