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TLS Online TPP Program

#Question id: 7279

X chromosome number alone is the primary sex determinant in normal drosophila because:

#Unit 5. Developmental Biology
  1. The X chromosome contains genes encoding transcription factors that activate the critical gene in Drosophila sex determination.
  2. Male and female parts and their sex-linked characters are activated by Y chromosome.
  3. The number of X chromosome is greater than number of Y chromosome.
  4. Only X chromosome is active, Y chromosome is inactive.
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TLS Online TPP Program

#Question id: 20539

#Unit 12. Applied Biology

Aromatic hydrocarbons including benzene, toluene, ethylbenzene and xylene collectively referred as BTEX compounds. Which of them are not considered as carcinogenic?
1. Benzene
2. Toluene
3. Ethylbenzene
4. Xylene
Which of them is a correct option?
TLS Online TPP Program

#Question id: 19100

#Unit 6. System Physiology – Plant

Xanthomonas oryzae secretes a highly conserved peptide, which mediates quorum sensing by
TLS Online TPP Program

#Question id: 565

#Unit 1. Molecules and their Interaction Relevant to Biology

A transition-state analog:
TLS Online TPP Program

#Question id: 5212

#Unit 11. Evolution and Behavior

Barbara McClintock, famous for discovering that genes could move within genomes, had her meticulous work ignored for nearly 4 decades, but eventually won the Nobel Prize. Why was her work so distrusted?
TLS Online TPP Program

#Question id: 10541

#Unit 6. System Physiology – Plant

Green-leaf volatiles act as potent signals,  which of the following option is incorrect about this volatile compound