Concentration of sucrose generally used in plant cell culture media is 40-50 g/l 20-30 g/l 10-15 g/l 60-70 g/l TRUE ANSWER : ? YOUR ANSWER : ?
In plant cell culture media, auxins and cytokinins are used in the range of l-50μM 100-125μM 50-100μM more than 125μM TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following growth regulator cause plant cells to grow? Brassinosteroids Auxins Gibberellins Cytokinins TRUE ANSWER : ? YOUR ANSWER : ?
Very high sugar concentration (40-100 g/l) have been used to adjust the osmotic potential of the media in short term treatment for regeneration none of these Both (a) and (b) in specialized secondary metabolite production TRUE ANSWER : ? YOUR ANSWER : ?
What are the macronutrients used in plant cell culture medium? N, P, K, S, Na N, P, Ca, Na, Cl N, P, K, Ca, Cl N, P, K, S, Ca TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following growth regulator promote cell division? Cytokinins Gibberellins Brassinosteroids Auxins TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is an ethylene biosynthesis inhibitor? Activated charcoal Citric acid Silver thiosulphate Succinic acid TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is not a cytokinin? 6 benzylaminopurine 2,4-dichlorophenoxyacetic acid Kinetin Zeatin TRUE ANSWER : ? YOUR ANSWER : ?
Nitrogen in the plant cell culture media is provided by either ammonia or nitrate salt. In the media utilization of ammonium cause culture pH to drop while utilization of nitrate cause culture pH to rise utilization of both ammonium and nitrate result in rise in pH utilization of nitrate cause culture pH to drop while utilization of ammonium cause culture pH to rise utilization of both ammonium and nitrate result in drop in pH TRUE ANSWER : ? YOUR ANSWER : ?
Which is the most common carbon source used in the plant cell culture media? Glucose Maltose Fructose Sucrose TRUE ANSWER : ? YOUR ANSWER : ?