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TLS Online TPP Program

#Question id: 15122

Which of the following is the best example of overdominance?

#Unit 8. Inheritance Biology
  1. Two lines of true breeding white parents produce purple flowered offspring.
  2. Two lines of true breeding tomatoes that are susceptible to verticillium wilt (A fungal infection) produce offspring that are resistant to verticillium wilt 
  3. Two true breeding lines, one tall and one short, produce offspring of medium height.
  4. Two true breeding lines, one tall and one short, produce all tall offspring
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TLS Online TPP Program

#Question id: 11080

#Unit 7. System Physiology – Animal

The O2-CO2 diagram here shows a ventilation-perfusion ratio line for the normal lung. Which of the following best describes the effect of decreasing ventilation-perfusion ratio on the alveolar Po2 and Pco2?
TLS Online TPP Program

#Question id: 3532

#Unit 8. Inheritance Biology

In a plant species, flower color purple is dominant over white. One such purple-flowered plant upon selfing produced 35 viable plants, of which 9 were white flowered and the rest were purple flowered. What fraction of these purple-flowered progeny is expected to be pure purple-flowered line?
TLS Online TPP Program

#Question id: 12883

#General Aptitude

The volume of a cuboid is twice the volume of a cube. If the dimensions of the cuboid are 9 cm, 8 cm and 6 cm, the total surface area of the cube is :
TLS Online TPP Program

#Question id: 3732

#Unit 3. Fundamental Processes

Which proteins are responsible for the unwinding of the double-stranded DNA during replication?
TLS Online TPP Program

#Question id: 5066

#Unit 5. Developmental Biology

 The mutations of RAS that make it oncogenic by