Category: CSIR NET Life Science Previous Year Questions and Solution on applied biology

Following are certain statements regarding somatic hybridization, a technique used for plant improvement. A. Protoplasts of only sexually compatible plant species can be fused. B. Hybrids are produced with variable […]

The following statements are related to plant tissue culture A. Friable callus provides the inoculum to form cell- suspension cultures. B. The process known as ‘habituation’ refers to the property […]

Encasing of which of the following plant eel in a gelatinous matrix is referred as artificial seed? (1) Microcalli      (2) Somatic embryos (3) Root tips        […]

Somatic embryogenesis is an important exercise in micropropagation and genetic engineering of plants. The following steps are considered as critical for achieving somatic embryogenesis: A. Reducing the concentration of sucrose […]

Given below is a table comprising various terms associated with plant tissue culture in Column A and Column B. Which of the following represents the most appropriate match between all […]

Following are few statements for regeneration of plants from explants/tissues. (A) Cytokinin is required for shoot development. (B) Auxin is required for shoot development. (C) Auxin to cytokinin ratio is […]

Which one of the following will be observed when auxin to cytokinin ratio is increased in the culture medium during organogenesis from tobacco pith callus? (1) Adventitious roots will form. […]

In tissue culture experiment to initiated shoots from undifferentiated mass of cell the medium must contain (1) low auxin and high cytokinin (2) High auxin and high cytokinin (3) High […]