logo

CuriousTab

CuriousTab

Discussion

Home ‣ Biotechnology ‣ Nitrogen Fixation and Photosynthesis Comments
  • Question

  • Plants absorb nitrates from soil and convert them into


  • Options
  • A. urea
  • B. ammonia
  • C. nitrogen
  • D. none of these

  • Correct Answer
  • ammonia 

    • Nitrogen Fixation and Photosynthesis problems

    Search Results

    • 1. A group of about 300 chlorophyll molecule acting together to trap photons and transfer energy to the pigment molecule at the reaction center may be called as

    • Options
    • A. harvesting unit
    • B. reaction center
    • C. photosynthetic unit
    • D. chloromass
      • Discuss
    • 2. What type of long chain alcohol is esterified to plant chlorophyll molecules?

    • Options
    • A. Dolichol
    • B. Farnesol
    • C. Phytol
    • D. None of these
      • Discuss
    • 3. Nitrosomonous and Nitrobacter obtain their carbon for growth from

    • Options
    • A. organic compounds
    • B. carbon dioxide
    • C. elementary carbon
    • D. none of these
      • Discuss
    • 4. In the presence of carbon monoxide, nitrogen fixation

    • Options
    • A. increases
    • B. decreases
    • C. inhibits
    • D. none of these
      • Discuss
    • 5. The chief source of nitrogen for green plants is

    • Options
    • A. atmospheric nitrogen
    • B. nitrates
    • C. ammonium salts
    • D. low molecular weight- organic nitrogenous compound
      • Discuss
    • 6. An organism that relies exclusively on pre-synthesized food molecules is

    • Options
    • A. autotrophic
    • B. photosynthetic
    • C. prokaryotic
    • D. heterotrophic
      • Discuss
    • 7. What is the approximate size (in kb) of the melon mitochondrial genome?

    • Options
    • A. 600 kilobase
    • B. 1200 kilobase
    • C. 2400 kilobase
    • D. 3000 kilobase
      • Discuss
    • 8. During meiosis crossing over takes place at

    • Options
    • A. zygotene stage
    • B. diplotene stage
    • C. diakinesis stage
    • D. pachytene stage
      • Discuss
    • 9. Which of the following transposable elements are not found in plants?

    • Options
    • A. Ac
    • B. Tam3
    • C. L1
    • D. All are found
      • Discuss
    • 10. When do kinetochore microtubules pull chromosomes towards opposite spindle poles?

    • Options
    • A. In anaphase A
    • B. In anaphase B
    • C. In metaphase
    • D. In telophase
      • Discuss

    Comments

    There are no comments.
Enter a new Comment




Aptitude

Engineering

Programming

Reasoning

Links

Copyright ©CuriousTab. All rights reserved.