CET-BIOLOGY-JNK-2008 Questions and Answers

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Q11
The phytohormone which influences apical dominance growth is :
  • A IAA
  • B ABA
  • C GA3
  • D C2H4
Answer: Option A
Q12
An example of short day plant is :
  • A Wheat
  • B Maize
  • C Chrysanthemum
  • D Radish
Answer: Option C
Q13
The ovary after fertilization is converted into :
  • A Embryo
  • B Endosperm
  • C Fruit
  • D Seed
Answer: Option C
Q14
The molecular formula of Chlorophyll ‘a’ is :
  • A C55H72O5N4Mg
  • B C55H72O6N4Mg
  • C C55H70O5N4Mg
  • D C50H72O5N4Mg
Answer: Option A
Q15
The first compound that accepts CO2 during dark phase is :
  • A NADP
  • B Ferrodoxin
  • C RUBP
  • D Cytochrome
Answer: Option C
Q16
Initiation codon for methionine is :
  • A AAA
  • B UUU
  • C UAA
  • D AUG
Answer: Option D
Q17
The deficiency of this micronutrient results in little leaf disease :
  • A Copper
  • B Zinc
  • C Boron
  • D Iron
Answer: Option B
Q18
Kranz anatomy is a morphological diversity in the leaves of :
  • A C3-plants
  • B C4-plants
  • C C3 and C4-plants
  • D CAM plants
Answer: Option B
Q19
Prechilling treatment to break seed dormancy is :
  • A Scarification
  • B Stratification
  • C Impaction
  • D Vernalization
Answer: Option B
Q20
The pyruvic acid formed during glycolysis is oxidized to CO2 and H2O in a cycle called :
  • A Calvin cycle
  • B Nitrogen cycle
  • C Hill reaction
  • D Krebs cycle
Answer: Option D

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