General Knowledge : General Science QUESTIONS AND ANSWERS :: part10 : 66 to 70
Following General Knowledge Multiple choice objective type questions and answers will help you in TRB, SSC and UPSC 2024 examinations :
66.Nitrogen fixing bacteria present in the root nodules of leguminous plants are |
| saprophytic |
| symbiotic |
| parastitic |
| protolytic |
67.Which of the following pigments is water soluble ? |
| Carotene |
| Chlorophyll |
| Anthocyanin |
| Xanthophull |
68.The maximum biological magnification of DDT through food web is seen in |
| bacteria |
| algae |
| higher plants |
| man |
69.Which of the following is usually not an air pollutant ? |
| Hydrocarbons |
| Sulphur dioxide |
| Carbon dioxide |
| Nitrous oxide |
70.Which of the following is a correct food cycle ? |
| Grasshopper, Snake, Vulture, Frog |
| Grasshopper, Frog, Snake, Vulture, |
| Frog, Grasshopper, Snake, Vulture, |
| Frog, Snake, Grasshopper, Vulture |
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