Biology – Organisms and Environment – I – TEST (Maharashtra HSC Board)
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#1 The succession that starts on abandoned crop land is ____
#2 Which term was given by grinnel to describe the functional role of organisms ______
#3 The pyramid of _____ in sea always inverted
#4 Guano deposits are rich in ____
#6 In establishing new ecosystem on rock, the pioneers are ____
#7 How much percentage of sunlight is reflected back ____
#8 Which of the following process is resistant to microbial action ____
#9 Rate of increase of biomass is called ____
#10 The main greenhouse gas is _____
#11 The ability to produce organic compounds in unit’s time is ____
#12 Which of the following is a micro consumer _____
#13 Spatial pattern determined by the height of plants is called _____
#14 The horizontal distribution of tress is studied in ____
#15 Position of organisms in the environmental gradients is known as _____
#16 Which out of the following is the major reservoir of carbon ____
#17 Which term does not fit into the following group ____
#18 Which one out of the following is an artificial ecosystem ____
#19 Which of the following is mainly responsible for ozone depletion ___
#20 Which harmful radiations are absorbed by ozone layer _____
