General Knowledge : General Science QUESTIONS AND ANSWERS :: part10 : 46 to 50
Following General Knowledge Multiple choice objective type questions and answers will help you in TRB, SSC and UPSC 2024 examinations :
46.Multiplication of large number of identical plants is done by |
| tissue culture |
| layering |
| hydroponics |
| ringing |
47.Which of the following is an insectivorous plant ? |
| Hydrilla |
| Nepenthes |
| Marsilea |
| None of these |
48.The propagation of plants by tissue culture technique is becoming popular because |
| it is the simplest technique. |
| most plants respond to this technique. |
| variability can be increased. |
| the plants produced have uniform growth and productivity characteristics. |
49.Rigidity of cell wall is due to |
| chitin |
| lignin |
| suberin |
| pectin |
50.When sulphur dioxide increases in atmosphere, the most suitable pollution indicators are |
| algae |
| algae and ferns |
| fungi |
| moss and lichens |
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