1
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Which of the following statements about enzymes is wrong?
A
Enzymes are denaturated at high temperatures.
B
Enzymes are mostly proteins but some are lipids also.
C
Enzymes are highly specific.
D
Enzymes require optimum pH and temperature for maximum activity.
2
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
During meiosis I, the chromosomes start pairing at
A
zygotene
B
pachytene
C
diplotene
D
leptotene.
3
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
During the metaphase stage of mitosis, spindle fibres attach to chromosomes at
A
kinetochore
B
both centromere and kinetochore
C
centromere, kinetochore and areas adjoining centromere
D
centromere.
4
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Which two distinct microbial processes are responsible for the release of fixed nitrogen as dinitrogen gas (N2) to the atmosphere?
A
Aerobic nitrate oxidation and nitrate reduction
B
Decomposition of organic nitrogen and conversion of dinitrogen to ammonium compounds
C
Enteric fermentation in cattle and nitrogen fixation by Rhizobium in root nodules of legumes
D
Anaerobic ammonium oxidation and denitrification
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
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CBSE
Class 12