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Which Indian Institution is developing a secure signaling system for the Indian Railways, using block chain technology?Anonymous voting
- Indian Army
- IIT Kharagpur
- ISRO
- DRDO
During Freedom Struggle, Rabindranath Tagore renounced his Knighthood in protest for?Anonymous voting
- Partition of Bengal
- Jallianwalla Bagh Massacre
- Execution of Bhagat Singh, Rajguru and Sukhdev
- None of them
Which of the following process described as 'the pollutants concentrate as they move from one trophic level to next'?Anonymous voting
- Trophic Cascade
- Speciation
- Commensalism
- Biomagnification
Which of the following describes the zone of junction between two or more ecosystem?Anonymous voting
- Ecotone
- Biome
- Niche
- Habitat
Which of the following describes the zone of junction between two or more ecosystem ?Anonymous voting
- Habitat
- Niche
- Biome
- Ecotone