Excretory organ in Ascaris are:

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• A biome with dry and rainy seasons, trees in patches and ground cover of tropical bunchgrass is called:
  • (A) Prairies
  • (B) Taiga
  • (C) Savanna
  • (D) Tundra
  ►Correct Option
  
  Correct Option is: C
  

• The phenomena of genetic drift is most likely to occur in populations that:
  • (A) Are undergoing gene flow
  • (B) Are large and panmictic
  • (C) Are allopatric
  • (D) Are small and in bred
  ►Correct Option
  
  Correct Option is: D
  

• The greatest exchange of glucose and oxygen between vertebrate blood and body tissues occurs through the:
  • (A) Veins
  • (B) Arteries
  • (C) Capillaries
  • (D) Glomeruli
  ►Correct Option
  
  Correct Option is: C
  

• Blood fibrinogen is converted into fibrin during:
  • (A) CO₂ transport
  • (B) O₂ transport
  • (C) An immune response
  • (D) Clot formation
  ►Correct Option
  
  Correct Option is: D
  

• A vitamin that has an important role in the formation of collagen fibers and prevention of scurvy is:
  • (A) Thiamin
  • (B) Tocopherol
  • (C) Riboflavin
  • (D) Ascorbic Acid
  ►Correct Option
  
  Correct Option is: D
  

• During which of the following stages of the cell cycle will a diploid cell contain twice the amount of DNA found in gamete?
  • (A) Prophase
  • (B) G₁ Phase
  • (C) S-Phase
  • (D) Metaphase
  ►Correct Option
  
  Correct Option is: B
  

• When DNA is extracted from cells of E.coli and analysed for base composition, it is found that 38% of the bases are cytosine. What percentage of the bases are adenine?
  • (A) 12%
  • (B) 24%
  • (C) 38%
  • (D) 76%
  ►Correct Option
  
  Correct Option is: A
  

• The complementary RNA sequence for GATGTT is:
  • (A) CTACAA
  • (B) CUACAA
  • (C) AGCTGG
  • (D) AGCUGG
  ►Correct Option
  
  Correct Option is: B