TNPSC General Tamil Important Questions with Answers Download as PDF

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 leading opponent of Lamarck's claim that evolution has occurred was _________.
   
   
   
   
   1.  Charles Lyell
   
   
   2.  Erasmus Darwin
   
   
   3.  George Cuvier
   
   
   4.  Charles Darwin
   
   
   
   
   
   
   
   
   


2. 
   If someone only has one X chromosome and no Y chromosomes in their somatic cells, they _____________.
   
   
   
   
   1.  are metamales
   
   
   2.  are metafemales
   
   
   3.  have Klinefelter syndrome
   
   
   4.  have Turner syndrome
   
   
   
   
   
   
   
   
   


3. 
   Which one of the following is the characteristic of the primates ?
   
   
   
   
   1.  Arboreal locomotion
   
   
   2.  Dental formula exhibits four incisors
   
   
   3.  Olfactory sense is greatly emphasized
   
   
   4.  Extremitie not adapted for prehension
   
   
   
   
   
   
   
   
   


4. 
   The net effect of negative assortative mating is an increase in the frequency of _________.
   
   
   
   
   1.  heterozygotes (Aa)
   
   
   2.  dominant homozygotes (AA)
   
   
   3.  all homozygotes (AA and aa)
   
   
   4.  recessive homozygotes (aa)
   
   
   
   
   
   
   
   
   


5. 
   Two centuries ago, most European and American scientists believed that the earth is approximately _______________ years old.
   
   
   
   
   1.  4,000
   
   
   2.  4,600,000,000
   
   
   3.  6,000
   
   
   4.  10,000,000
   
   
   
   
   
   
   
   
   


6. 
   The probability of having a child with significant birth defects when first cousins mate together is now known to be about ____________ .
   
   
   
   
   1.  6.8-11.2%
   
   
   2.  1.7-2.8%
   
   
   3.  97.2-98.3%
   
   
   4.  7.2-8.3%
   
   
   
   
   
   
   
   
   


7. 
   Which of the following statements is true?
   
   
   
   
   1.  Genes are segments of DNA molecules
   
   
   2.  All living things get the energy that they need for growth, repair, and reproduction from sun light
   
   
   3.  Very few living things can create complex organic molecules out of carbon and other common elements
   
   
   4.  Only microscopic organisms begin their lives as single cells
   
   
   
   
   
   
   
   
   


8. 
   The universal blood donors for the ABO system are type ________.
   
   
   
   
   1.  AB
   
   
   2.  O
   
   
   3.  A
   
   
   4.  B
   
   
   
   
   
   
   
   
   


9. 
   The fossil record shows that ______________.
   
   
   
   
   1.  all species are today just as they were when they were created
   
   
   2.  most species have not evolved
   
   
   3.  some species are evolutionary transitions between major groups of organisms
   
   
   4.  most species have evolved
   
   
   
   
   
   
   
   
   


10. 
    Fossils __________.
    
    
    
    
    1.  are the impression of organisms of past geologic time that have been preserved in earth’s crust
    
    
    2.  usually involve the hard part of an organism
    
    
    3.  are the preserved remains of plants and animals that lived in the past
    
    
    4. possess all the above features
    
    
    
    

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