71. Embryo is used as explant for the _______ culture
A. embryo.
B. anther.
C. pollen.
D. callus.
ANSWER: A
72. Which type of culture technique is used for the development of anthers?
A. anther.
B. pollen.
C. callus.
D. embryo.
ANSWER: A
73. Pollen culture is otherwise known as ______ culture.
A. microspore.
B. macrospore.
C. angiospore.
D. apospore.
ANSWER: A
74. Which one of the following is used for the in vitro development of haploid plants?
A. Organogenesis.
B. Androgenesis.
C. Embryogenesis.
D. Micropropagation.
ANSWER: B
75. Which one of the following is the ideal material for anther culture?
A. Tomato.
B. Potato.
C. Tobacco.
D. Soyabean.
ANSWER: C
76. Nurse culture technique is the method come under ______ culture.
A. pollen.
B. anther.
C. callus.
D. suspension.
ANSWER: A
77. _____ is a part of plant cell which lies within the cell wall and can be plasmolyed.
A. Chloroplast.
B. Tonoplast.
C. Cyanoplast.
D. Protoplast.
ANSWER: D
78. Who isolated protoplast mechnically?
A. Klercker.
B. Kuster.
C. Cocking.
D. Power.
ANSWER: A
79. Which one of the following is the importance of protoplast culture?
A. Study of plasmalemma.
B. wall formation.
C. IAA action.
D. All the above.
ANSWER: D
80. Protoplast fusion and somatic hybridization in plant are based on which the following?
A. Protoplast isolation.
B. Cell wall regeneration.
C. Fusion of nuclei.
D. All the above.
ANSWER: D
