1
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Which one of the following is not a parasitic adaptation ?
A
Loss of digestive organs
B
Loss of unnecessary sense organs
C
Development of adhesive organs
D
Loss of reproductive capacity
2
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Benthic organisms are affected most by :
A
Surface turbulence of water
B
Water-holding capacity of soil
C
Light reaching the forest floor
D
Sediment characteristics of aquatic ecosystems
3
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Which two distinct microbial processes are responsible for the release of fixed nitrogen as dinitrogen gas (N2) to the atmosphere ?
A
Anaerobic ammonium oxidation, and denitrificatrion
B
Aerobic nitrate oxidation, and nitrite reduction
C
Enteric fermentation in cattle, and nitrogen fixation by Rhizobium in root nodules of legumes
D
Decomposition of organic nitrogen, and conversion of dinitrogen to ammonium compounds
4
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Which one of the following is a primary consumer in maize field ecosystem ?
A
Phytoplankton
B
Lion
C
Grasshopper
D
Wolf
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