CET-BIOLOGY-JNK-2008

CET-BIOLOGY-JNK-2008
11. The phytohormone which influences apical dominance growth is :
  • IAA
  • ABA
  • GA3
  • C2H4
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12. An example of short day plant is :
  • Wheat
  • Maize
  • Chrysanthemum
  • Radish
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13. The ovary after fertilization is converted into :
  • Embryo
  • Endosperm
  • Fruit
  • Seed
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14. The molecular formula of Chlorophyll ‘a’ is :
  • C55H72O5N4Mg
  • C55H72O6N4Mg
  • C55H70O5N4Mg
  • C50H72O5N4Mg
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15. The first compound that accepts CO2 during dark phase is :
  • NADP
  • Ferrodoxin
  • RUBP
  • Cytochrome
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16. Initiation codon for methionine is :
  • AAA
  • UUU
  • UAA
  • AUG
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17. The deficiency of this micronutrient results in little leaf disease :
  • Copper
  • Zinc
  • Boron
  • Iron
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18. Kranz anatomy is a morphological diversity in the leaves of :
  • C3-plants
  • C4-plants
  • C3 and C4-plants
  • CAM plants
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19. Prechilling treatment to break seed dormancy is :
  • Scarification
  • Stratification
  • Impaction
  • Vernalization
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20. The pyruvic acid formed during glycolysis is oxidized to CO2 and H2O in a cycle called :
  • Calvin cycle
  • Nitrogen cycle
  • Hill reaction
  • Krebs cycle
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