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TLS Online TPP Program

#Question id: 24172

The “lead” inside the common pencil is actually not lead at all.

#General Aptitude
  1. Lead is commonly mined in Africa.
  2. Pencils were invented in 1603 by William Ledbelly.
  3. Even when sharpened, a pencil may not write as well as a pen.
  4. The substance used in pencils today is graphite.
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TLS Online TPP Program

#Question id: 17075

#Unit 12. Applied Biology

What are the disadvantages of using polyclonal antibodies?
TLS Online TPP Program

#Question id: 18376

#Unit 12. Applied Biology

Increase in iron content of the plants treated with B. subtilis volatiles is correlated with 
TLS Online TPP Program

#Question id: 4390

#Unit 3. Fundamental Processes

Epigenetics marks refer to modifications to DNA and proteins that in turn regulate gene expression. Which statement is true regarding these specific types of modifications?
TLS Online TPP Program

#Question id: 18904

#Unit 13. Methods in Biology

Advantages of using short half-life isotopes
TLS Online TPP Program

#Question id: 10225

#Unit 6. System Physiology – Plant

Air circulation around the leaf removes heat from the leaf surfaces if the temperature of the leaf is higher than that of the air; this phenomenon is called