AP EAPCET 2019 Engineering Question Paper with Answer Key PDFs (April 22)

AP EAPCET Questions

• 1.

  Methanogens are:

  • Anaerobics used to produce methane from cellulosic waste
    
  • Anaerobics that enrich nitrogen content in soil
    
  • Earthworms aiding compost formation
    
  • Fungi in symbiosis with plants
    
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• 2.

  Choose the correct response with respect to given equation.
  CO$_2$ + H$_2$O $\rightleftharpoons$ H$_2$CO$_3$

  • Carbonic anhydrase is an enzyme required for accelerating the reaction
  • Even in the absence of enzyme this reaction is fast enough
  • 200 molecules of H$_2$CO$_3$ per hour are formed in the presence of enzyme.
  • 6,00,000 molecules of H$_2$CO$_3$ are formed for every second in the absence of enzyme.
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• 3.

  Assertion (A): In prokaryotes the DNA in the nucleoid is organized in large loops held by proteins.
  Reason (R): In prokaryotes, negatively charged DNA molecules are held with positively charged proteins.
  Identify the correct option from the following:

  • Both (A) and (R) are true, and (R) is correct explanation for (A)
  • Both (A) and (R) are true, but (R) is not the correct explanation for (A)
  • (A) is true, but (R) is false
  • (A) is false, but (R) is true
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• 4.

  Arrange the following events that occur during prophase-I of Meiosis - I
  A) Formation of synaptonemal complex
  B) Repulsion between Homologous chromosomes
  C) Formation of Bivalents
  D) Exchange of Genetic material between non-sister chromatids of Homologous chromosomes
  E) Terminalization
  The correct sequence is
  Options :

  • C, A, D, B, E
  • D, A, C, B, E
  • A, D, B, C, E
  • D, A, B, C, E
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• 5.

  Which one of the following is a liquid tumor?
  

  • Carcinoma
    
  • Sarcoma
    
  • Leukemia
    
  • Lymphoma
    
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• 6.

  Blood-brain barriers are formed by

  • Astrocytes
  • Ependymal cells
  • Schwann cells
  • Satellite cells
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