CSIR JRF NET Life Sciences June 2016
CSIR NET Model Questions Part 4 (CSIR NET MCQ – 04)
Biology MCQ (Multiple Choice Questions in Life Science)
(Sample/Model/Practice Questions for JRF/NET Life Science Examination, ICMR JRF, DBT JRF, GATE, ICAR NET, PG Entrance)
1. Bergmann’s rule refers to a general tendency of mammals to be
a. Large in size in colder areas of their distribution
b. Smaller in size in areas of their distribution
c. Darker-pigmented in warmer areas of their distribution
d. Lighter-pigmented in warmer areas of their distribution
2. EDTA is used as a :
a. Oxidizing agent
b. Reducing agent
c. Chelating agent
d. Both (b) and (c)
3. Which of the following element plays an important role in nitrogen fixation
a. Manganese
b. Molybdenum
c. Zinc
d. Copper
4. Pribnow box is the component of _______
a. Operators
b. Promoters
c. Enhancers
d. Activators