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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