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TLS Online TPP Program

#Question id: 4994

In certain motile prokaryotes, dozens of different proteins comprise the motor that powers the prokaryotic flagellum. The motor has a complicated structure, and its various proteins interact to carry out its function. Based on Darwinʹs explanation for the existence of human eyes, how would he probably have explained the existence of such motors?

#Unit 11. Evolution and Behavior

  1. Because he could not have explained their existence, he would have used supernatural agents as a temporary explanation until the gap in scientific knowledge had been filled.

  2. Because he could not have explained their existence, he would have concluded that the human brain has not (and probably cannot) evolve the capability to solve such complex problems.

  3. He would have proposed that these motors were the products of aliens, and had been delivered to Earth by extraterrestrial visitors.

  4. He would have proposed that less complicated, but still functional, versions (maybe even with a different function) had existed in ancestral prokaryotes.

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TLS Online TPP Program

#Question id: 23910

#General Aptitude

The presence of pneumatophores is seen in:
TLS Online TPP Program

#Question id: 5221

#Unit 11. Evolution and Behavior

Unequal crossing over during Prophase I can result in one sister chromosome with a deletion and another with a duplication. A mutated form of hemoglobin, known as hemoglobin Lepore, is known in the human population. Hemoglobin Lepore has a deleted set of amino acids. If it was caused by unequal crossing over, what would be an expected consequence?
TLS Online TPP Program

#Question id: 11750

#Unit 7. System Physiology – Animal

Which of the following best describes the concept of specificity in sensory nerve fibers that transmit only one modality of sensation?
TLS Online TPP Program

#Question id: 23909

#General Aptitude

Which of the following forest types is most widespread in India?
TLS Online TPP Program

#Question id: 24205

#Unit 4. Cell Communication and Cell Signaling

When monomeric CAMs on one cell bind to one or more CAMs in the same cell’s plasma membrane is known as