Life Science Mock Test CSIR NET Exam - Part 2

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. 
    Mitosis Promoting Factor (MPF) is composed of _______________.
   
   
   
   
   1.  Cyclin A and CDK 
   
   
   2.  Cyclin B and CDK
   
   
   3.  Cyclin E and CDK
   
   
   4.  Cyclin D and CDK
   
   
   
   
   
   
   
   
   


2. 
   The concentration of which gas can be reduced by preventing forest depletion?
   
   
   
   
   1.  Nitrous oxide (N2O)
   
   
   2.  Carbon dioxide (CO2) 
   
   
   3.  Oxygen (O2)
   
   
   4.  Methane (CH4)
   
   
   
   
   
   
   
   
   


3. 
    What has been the approximate rise in sea level over the past century?
   
   
   
   
   1.  14-16 inches (35-40 cm) 
   
   
   2.  2-4 inches (5-10 cm) 
   
   
   3.  6-8 inches (15-20 cm)
   
   
   4.  10-12 inches (25-30 cm)
   
   
   
   
   
   
   
   
   


4. 
   What is the single most important factor contributing to losing or creating endangered species?
   
   
   
   
   1.  water pollution
   
   
   2.  clearcut logging
   
   
   3.  air pollution
   
   
   4.  habitat loss
   
   
   
   
   
   
   
   
   


5. 
   MDT is used for disease ____________.
   
   
   
   
   1.  Polio
   
   
   2.  TB
   
   
   3.  Diptheria
   
   
   4.  Leprosy
   
   
   
   
   
   
   
   
   


6. 
    What the gas which contributes most to the Greenhouse Effect?
   
   
   
   
   1.  Nitrous oxide (N2O)
   
   
   2.  Methane(CH4)
   
   
   3.  Carbon dioxide (CO2)
   
   
   4.  None of the above
   
   
   
   
   
   
   
   
   


7. 
   Junctional diversity affects primarily affects the amino acid sequence in _______________.
   
   
   
   
   1.  CDR 2
   
   
   2.  CDR l
   
   
   3.  CDR 3
   
   
   4.  All CDRs equally
   
   
   
   
   
   
   
   
   


8. 
   Insufficient supply of blood in human body is referred as _____.
   
   
   
   
   1.  Hyperemia
   
   
   2.  Haemorrhage
   
   
   3.  Hemostasis
   
   
   4.  Ischemia
   
   
   
   
   
   
   
   
   


9. 
   Which process is most capable of slowing global warming?
   
   
   
   
   1.  Respiration
   
   
   2.  Photosynthesis
   
   
   3.  Chemosynthesis
   
   
   4.  Decomposition 
   
   
   
   
   
   
   
   
   


10. 
    Two species or populations are competing for the exact same resources, and one will eventually exclude the other. What is the technical term for this?
    
    
    
    
    1.  Mutualism
    
    
    2.  Competitive exclusion
    
    
    3.  Predation
    
    
    4.  Coevolution
    
    
    
    
    
    
    
    
    

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