1
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
If 20 J of energy is trapped at producer level, then how much energy will be available to peacock as food in the following chain?
Plant → mice → snake → peacock
A
0.0002 J
B
0.002 J
C
0.2 J
D
0.02 J
2
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
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
When man eats fish which feeds on zooplankton which have eaten small plants, the producer in the chain is :
A
Zooplankton
B
Fish
C
Small plants
D
Man
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