Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 7210
TLS Online TPP Program

#Question id: 10429

Which of the following given statements about PHYA is incorrect?

#Unit 6. System Physiology – Plant
  1. PhyA mediates very few responses because they are highly regulated at transcriptional and translational level
  2. PHYA gene is transcriptionally active in dark-grown seedlings, but its expression is strongly inhibited in the light in monocots
  3. The amount of phyA in the cell is also regulated by protein destruction
  4. In presence of light stabilization of PHYA expression
More Questions
TLS Online TPP Program

#Question id: 5556

#Unit 5. Developmental Biology

Contact of a sea urchin egg with signal molecules on sperm causes the egg to undergo a brief ________.
TLS Online TPP Program

#Question id: 17076

#Unit 12. Applied Biology

The various advantages of serum-free media could be
1. Improved reproducibility of results from different laboratories
2. Easier downstream processing of products from cultured cells
3. Biassays are free from interference due to serum proteins
4. They permit selective culture of diffrentiated cell types from the heterogeneous cultures
Which of the statements are true?
TLS Online TPP Program

#Question id: 11624

#Unit 8. Inheritance Biology

The effect of gene interaction is that one gene masks (hides) the effect of another gene at a different locus, a phenomenon known as
TLS Online TPP Program

#Question id: 16786

#Unit 13. Methods in Biology

What is the median of 7.1, 3.2, 5.8, 8.9, 6.5, 10.2, 9, 12.5 
TLS Online TPP Program

#Question id: 3839

#Unit 3. Fundamental Processes

Use the figure to answer the following question. In the late 1950s, Meselson and Stahl grew bacteria in a medium containing "heavy" (radioactive) nitrogen (15N) and then transferred them to a medium containing 14N (nonradioactive). Which of the results in the figure would be expected after one round of DNA replication in the presence of 14N?