Indian army has published the notification for SSC Tech 56 men and SSC Tech 27 women for the course commencing at OTA Chennai from April 2021
Which of the following pairs is an incorrect match?
Mycorrhiza – Symbiotic association between fungus and plant
Azotobacter – Symbiotic association between bacteria and plant
Rhizobium – Symbiotic association between bacteria and plant
Azospirillum – Free living bacteria
Identify the incorrect statement about successions of plants from the given below:
Hydrach succession of plant – takes places in very wet areas
Xerarch succession of plant – takes places in dry areas
Based on the nature of the habitat, successions od plants takes place
Primary succession is a very quick and fast process
In which ration Carbon, Hydrogen, and Oxygen found in Carbohydrate:
1:2:3
1:2:1
1:3:1
2:1:1
Bronze is an alloy of copper and
nickel
iron
tin
aluminium
Which one of the following metals is alloyed with sodium to transfer heat in a nuclear reactor?
Potassium
Calcium
Magnesium
Strontium
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