1
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Change Language
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
2
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Change Language
Bundle sheath cells :
A
lack both RuBisCo and PEP carboxylase
B
are rich in PEP carboxylase
C
are rich in RuBisCo
D
lack RuBisCo
3
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following statements is not true for stomatal apparatus ?
A
Stomata are involved in gaseous exchange
B
Inner walls of guard cells are thick
C
Guard cells invariably posses chloroplasts and mitochondria
D
Guard cells are always surrounded by subsidiary cells
4
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Change Language
Meristematic tissue responsible for increase in girth of tree trunk is :
A
Phellogen
B
Intercalary meristem
C
Apical meristem
D
Lateral meristem