Environment & Ecology GK Mobile App This content (Environment and Ecology GK Mobile App) will be very important not only for school going students but also for the participants preparing for competitive exams. Hope you like this app. Environment & Ecology GK Hindi. Environment & Ecology GK app is useful for IBPS CWE PO/Clerical/SO, SBI PO/Clerical/SO, RRB, RBI, SSC, Manipal program exams, Railways, Civil services, National events, International events, Business and economy, Science and techno