Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 62552
TLS Online TPP Program

#Question id: 10356

Why the GS  and GOGAT is activated in light and while the AS is inhibited?

#Life Sciences
  1. In presence of light and carbohydrate, GS and GOGAT activate so that plant can grow while AS is inhibited so that amino group will not be transported
  2. GS  and GOGAT is activated because they favor nitrogen assimilation into glutamine and glutamate, compounds that are rich in nitrogen and sufficiently stable for long-distance transport or longterm storage
  3. In presence of light and carbohydrate, GS and GOGAT activate so that amino group will be transported while AS is inhibited so that plant can’t grow
  4. AS is inhibited because it favor nitrogen assimilation into asparagine, a compound that is rich in carbon and participate in the synthesis of new plant materials 
More Questions
TLS Online TPP Program

#Question id: 39263

#Plant Biotechnology

Q. Assertion: Somatic hybridization between non-flowering and male sterile dihaploid clones of potato can result in male fertile hybrids. 
Reason: Symmetric hybridization allows for the creation of superior hybrids and the generation of novel genetic material by bypassing traditional sexual reproduction barriers.
TLS Online TPP Program

#Question id: 39264

#Plant Biotechnology

Q. Assertion: Tobacco hybrids produced from N. rustica and N. tabacum may exhibit resistance to blue mould. 
Reason: Blue mould resistance was a primary trait present in both parent lines and was intentionally selected for during the initial fusion process.
TLS Online TPP Program

#Question id: 39265

#Plant Biotechnology

Q. Assertion: Symmetric hybrids are utilized to widen the genetic base of allopolyploid species.
 Reason: Producing synthetic lines of Brassica napus by fusing B. oleracea and B. campestris introduces desirable traits that might be missing in the current cultivated pool.
TLS Online TPP Program

#Question id: 39266

#Plant Biotechnology

Q. Assertion: Somatic hybrids of potato fused with S. brevidens are used in breeding programs to combat Potato Leaf Roll Virus (PLRV). 
Reason:S. brevidens is a wild relative of the potato that carries natural resistance to certain viral and bacterial diseases like Erwinia soft rot.
TLS Online TPP Program

#Question id: 39267

#Plant Biotechnology

Q. Superior somatic hybrids showing 20–25% higher alkaloid content and potential for industrial scopolamine production were obtained from fusion between:
TLS Online TPP Program

#Question id: 39268

#Plant Biotechnology

Q. Which somatic hybrid combination resulted in markedly higher tuber yield, with one clone producing three times the yield of commercial potato variety Bintje?