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Life Science Mock Test CSIR NET Exam - Part 9







This Quiz is posted with the sole aim of guiding the aspirants of CSIR-NET Exam to the path of success. To sharpen the edges of your own intelligence and practice, in a structured and concrete manner to ensure you definite Success in your endeavor and will Pave your way for a successful career in Teaching (or) Research Profession . All the very best...... Knock the door of success......




  1.  Aquaporins are associated with _____________.


    1.  Ribosomes

    2.  Rough endoplasmic reticulum

    3.  Cell membrane

    4.  Nuclear membrane







  2. BCG immunisation is for _____________.


    1.  Diptheria

    2.  Measles

    3.  Leprosy

    4.  Tuberculosis







  3. Far-UV CD spectra of proteins give information on _________.


    1.  Secondary structure

    2.  Tertiary structure

    3.  Quaternary structure

    4.  Primary structure







  4. In prokaryotes, the specificity RNA polymerase is determined by the _________.


    1.  Core enzyme

    2.  α subunit

    3.  Omega subunit

    4.  Sigma subunit







  5.  What is the approximate increase in global surface temperatures in the past century?


    1.  5°F (2.8 °C)

    2.  1°F (.5°C)

    3.  1.5°F (.8°C)

    4.  2°F (1.1°C)







  6. The birds in tropics are generally smaller in size because of ___________.


    1.  For easy flight

    2.  Aestivation

    3.  To decrease surface area to volume ratio

    4.  To increase surface area to volume ratio







  7. Soil in naturally growing vegetation is ___________.


    1.  Acidic due to Bicarbonate in soil

    2.  Acidic due to Sulphuric acid

    3.  Basic due to Bicarbonate in soil

    4.  Neutral







  8. Biogas consist of _________.


    1.  CO2, Alcohol and H2

    2.  CH4 and CO2 

    3.  Both a & b

    4.  CH4, SO2 and H2







  9. The Ozone layer saves from lethal UV. It mainly absorbs _______.


    1.  UV-B

    2.  UV-A & B 

    3.  UV-A 

    4.  UV-A & C







  10. Which is correct relationship between habitat disturbance and biodiversity ___________.


    1.  Areas with high habitat disturbance tends to have high biodiversity

    2.  Areas with no habitat disturbance tends to have low biodiversity

    3.  Areas with no habitat disturbance tends to have high biodiversity

    4.  Areas with moderate habitat disturbance tends to have high biodiversity















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