Biology – Organisms and Environment – I – TEST (Maharashtra HSC Board)

Biology – Organisms and Environment – I – TEST (Maharashtra HSC Board)

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#1. The horizontal distribution of tress is studied in ____

#2. The ability to produce organic compounds in unit’s time is ____

#3. The main greenhouse gas is _____

#4. Which harmful radiations are absorbed by ozone layer _____

#5. In establishing new ecosystem on rock, the pioneers are ____

#6. Guano deposits are rich in ____

#7. The succession that starts on abandoned crop land is ____

#8. Which of the following is mainly responsible for ozone depletion ___

#9. Which term was given by grinnel to describe the functional role of organisms ______

#10. Which one out of the following is an artificial ecosystem ____

#11. Position of organisms in the environmental gradients is known as _____

#12. Carnivores are ______

#13. Which of the following is a micro consumer _____

#14. Spatial pattern determined by the height of plants is called _____

#15. Rate of increase of biomass is called ____

#16. Which of the following process is resistant to microbial action ____

#17. Which term does not fit into the following group ____

#18. The pyramid of _____ in sea always inverted

#19. How much percentage of sunlight is reflected back ____

#20. Which out of the following is the major reservoir of carbon ____



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