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Life Science Mock Test CSIR NET Exam - Part 13




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.  Most stable kind of RNA is _________.


    1.  snRNA

    2.  mRNA

    3.  rRNA 

    4.  tRNA







  2. In eukaryotic cell, transcription cannot begin until ________.


    1.  The G1 cap are removed from the mRNA

    2.  The introns are removed from the template



    3.  The two DNA strands have completely separated

    4.  several transcription factors have bound to promoter







  3. Which of the following of Antirrhinum majus is similar to agmutant of Arabidopsis that affects the third and fourth whorls of the flower?


    1.  plena (ple)   

    2.  sepaloidea

    3.  globosa (glo)

    4.  deficiens(def)







  4. Which of the following is first to break proper sequence?


    1.  Motor neuron

    2.  Receptor

    3.  Sensory neuron

    4.  Synapse







  5. Which of the following acts as connecting link between EMP pathway and Kreb’s cycle?


    1.  Phosphophenol Pyruvate 

    2.  Pyruvic acid 

    3.  Ribulose bis phosphate

    4.  Acetyl CoA







  6. Which type of phyllotaxy is present in case of grasses?


    1.  Pentastichous 



    2.  Distichous 

    3.  opposite decussate

    4.  Tristichous 







  7. The value of Respiratory Quotient (R.Q) in case of succulents is ______.


    1.  More than one 

    2.  Zero

    3.  Infinite 

    4.  Less than one







  8. Which of the following plant hormone is known as stress hormone?


    1.  Kinetin

    2.  Gibberellins

    3.  Auxin

    4.  Abscisic acid 







  9.  The longest unstraited muscles are found in the wall of ________.


    1.  Sperm duct with urethera

    2.  Stomach

    3.  Uterus with embryo 

    4.  Skin







  10. Locust swarms fly to greater distance on stimulus from _______.


    1.  O2 concentration 

    2.  Water 

    3.  CO2 concentration

    4.  Temperature
























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