31. The in
vitro development of haploid plants is called as _____.
A. organogenesis.
B. androgenesis.
C. embryogenesis.
D. micropropagation.
ANSWER: B
32. Microspore behaves like a zygote and undergoes change to form embryoid is known as _____.
A. direct androgenesis.
B. indirect androgenesis.
C. anther culture.
D. pollen culture.
ANSWER: A
33. Protoplast fusion and somatic hybridization in plant are based on _____.
A. protoplast isolation.
B. cell wall gets disrupted.
C. fusion of pronuclei.
D. protoplast fusion.
ANSWER: A
34. Two or more adjoining somatic protoplasts are fused without any inducer is called as _______ fusion.
A. spontaneous.
B. induced.
C. protoplast.
D. somatic cell.
ANSWER: A
35. __________________ is a type of genetic modification in plants.
A. Spontaneous fusion.
B. Induced fusion.
C. Protoplast fusion.
D. none of the above.
ANSWER: C
36. A new variety plant derived from tissue culture is referred as _____.
A. somaclones.
B. invitro microclones.
C. proto multiclones.
D. chloroclones.
ANSWER: A
37. The genetic variability regenerated during tissue culture is termed as _____.
A. somoclonal variation.
B. organogenesis.
C. micropropagation.
D. androgenesis.
ANSWER: A
38. The somaclonal variation in a large number of plants is defined by _____.
A. Larkin and Sharp.
B. Evans and Sharp.
C. Hein and Mee.
D. Stepar and Bidney.
ANSWER: B
39. Somatic embryogenesis is _____.
A. germ line cells developing into embryos.
B. non-germ line cells developing into
embryos.
C. embryos developing from zygotes.
D. embryonic tissue becoming somatic.
ANSWER: B
