Life Science Mock Test CSIR NET Exam - Part 14

This Quiz is posted with the sole aim of guiding the aspirants of UGC-NET /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. 
    The name protoplasm was given by ____________.
   
   
   
   
   1.  Kailash
   
   
   2.  Von Mohl
   
   
   3.  Purkinge 
   
   
   4.  Corti 
   
   
   
   
   
   
   
   
   


2. 
   Ribosomes engaged in protein synthesis in prokaryotes and eukaryotes are dissociated into two subunits with the help of __________.
   
   
   
   
   1.  IF2, IF3 
   
   
   
   
   
   
   2.  eIF4, eIF6 
   
   
   3.  IF3, eIF4
   
   
   4.  IF3, eIF3 
   
   
   
   
   
   
   
   
   


3. 
   Which component is not directly involved in translation?
   
   
   
   
   1.  DNA
   
   
   2.  tRNA
   
   
   3.  Ribosome 
   
   
   4.  mRNA
   
   
   
   
   
   
   
   
   


4. 
   On the basis of development odontoid process of axis of
   
   mammals is ____________.
   
   
   
   
   1.  centrum of axis
   
   
   2.  neural spine of atlas 
   
   
   3.  ribs of axis vertebra
   
   
   4.  centrum of atlas
   
   
   
   
   
   
   
   
   


5. 
   Chemical signaling between organisms is ___________.
   
   
   
   
   1.  to regulate physiological processes of each other
   
   
   2.  to kill each other for space
   
   
   3.  to live together for protection of each other
   
   
   4.  conveying information to each other
   
   
   
   
   
   
   
   
   


6. 
    Caretenoids are a type of ________.
   
   
   
   
   1.  Glycolipids
   
   
   2.  Terpenoids 
   
   
   3.  Phospholipids
   
   
   4.  Proteins
   
   
   
   
   
   
   
   
   


7. 
   The endocrine gland whose hormone directly affects the rate of cellular respiration is the ________.
   
   
   
   
   1.  Thyroid
   
   
   2.  Thymus 
   
   
   3.  Pancreas
   
   
   4.  Adrenal cortex
   
   
   
   
   
   
   
   
   


8. 
   Blood is supplied to walls of blood vessels by ________.
   
   
   
   
   1.  Pons verolli
   
   
   2.  Choroid plexus  
   
   
   3.  Crura cerebri
   
   
   4.  Vasa vasorum
   
   
   
   
   
   
   
   
   


9. 
   Genetic material in “Retroviruses” is __________.
   
   
   
   
   1.  DNA
   
   
   2.  DNA and RNA
   
   
   3.  RNA 
   
   
   4.  none of the above
   
   
   
   
   
   
   
   
   


10. 
    Amelogenesis is the process of producing and maturation of ______.
    
    
    
    
    1.  Keratin
    
    
    2.  Sperms
    
    
    3.  Ova 
    
    
    4.  Enamel
    
    
    
    
    
    
    
    
    

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