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Home Biotechnology Transport of Molecules in Plant See What Others Are Saying!
  • Question
  • The cohesion-tension theory of water movement helps to explain how water moves from soil into root?


  • Options
  • A. Through the phloem
  • B. From leaf to root
  • C. Through the xylem
  • D. Into the guard cells

  • Correct Answer
  • Through the xylem 


  • More questions

    • 1. Neurospora is used as an experimental tool in

    • Options
    • A. ecology
    • B. cytology
    • C. genetics
    • D. physiology
    • Discuss
    • 2. The crystal-like material sometimes found in wine bottles is

    • Options
    • A. residual diatomaceous earth
    • B. tannin
    • C. prevented by cold stabilizing
    • D. caused by excessive malic acid
    • Discuss
    • 3. If the RBC of human were kept in 0.9% NaCl solution, what sort of change will occur to RBC?

    • Options
    • A. Cell will Burst
    • B. Cell will shrink
    • C. No change to RBC
    • D. RBC will destroy
    • Discuss
    • 4. Which type of restriction endonuclease cuts the DNA within the recognition site?

    • Options
    • A. Type I
    • B. Type II
    • C. Type III
    • D. All of the these
    • Discuss
    • 5. Which of the following organism is not used in any of the traditional industrial fermentation?

    • Options
    • A. E. coli
    • B. Yeast
    • C. Bacillus
    • D. Pseudomonas
    • Discuss
    • 6. α-aminoadipate inhibits the growth if one of the following marker is present in the yeast. That is

    • Options
    • A. His 3
    • B. Lys 2
    • C. Ura 3
    • D. Trp 1
    • Discuss
    • 7. The organism used for the preparation of sonti is

    • Options
    • A. Rhizopus sonti
    • B. Aspergillus oryzae
    • C. Lactobacillus vermiformis
    • D. Saccharomyces pyriformis
    • Discuss
    • 8. Biochips are made up of

    • Options
    • A. semi-conducting molecules inserted into the protein frame work
    • B. conducting molecules inserted into the protein frame work
    • C. non-conducting molecules inserted into the protein frame work
    • D. any of the above
    • Discuss
    • 9. Single stranded circular RNA encapsidated with a larger RNA in a plant virus is

    • Options
    • A. a virion
    • B. a viroid
    • C. a virusoid
    • D. none of these
    • Discuss
    • 10. Which of the following nitrogen sources is added in the fermentation medium of citric acid production?

    • Options
    • A. Ammonium salt
    • B. Urea
    • C. Both (a) and (b)
    • D. Peptone
    • Discuss


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