Flow of energy in an ecosystem is always
  • unidirectional
  • bidirectional
  • multi directional
  • None of these
Which one of the following belongs to First trophic level (i) Sunflower plants (ii) Cockroach (iii) Neem tree (iv) Grasshopper
  • (i) and (ii)
  • (i) and (iii)
  • (ii) and (ii)
  • (ii) and (iv)
Which one in the below food chain likely to have maximum concentration of Harmful chemical? Grasshopper -> Frog -> Snake-> Peacock
  • Grasshopper
  • Peacock
  • Snake
  • Frogs
0 h : 0 m : 1 s

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