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TLS Online TPP Program

#Question id: 5000

The existence of evolutionary trends, such as increasing body sizes among horse species, is evidence that

#Unit 11. Evolution and Behavior

  1. a larger volume-to-surface area ratio is beneficial to all mammals.

  2. an unseen guiding force is at work.

  3. evolution always tends toward increased complexity or increased size.

  4. in particular environments, similar adaptations can be beneficial in more than one species.

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TLS Online TPP Program

#Question id: 353

#Unit 1. Molecules and their Interaction Relevant to Biology

Measurements show that the pH of a particular lake is 4.0. What is the hydrogen ion concentration of the lake?
TLS Online TPP Program

#Question id: 16148

#Unit 4. Cell Communication and Cell Signaling

 Which statement is not true for NKT Cells?
TLS Online TPP Program

#Question id: 24633

#Unit 2. Cellular Organization

Which of the type of reactions performed in Inserting DNA into a phage head
TLS Online TPP Program

#Question id: 10488

#Unit 6. System Physiology – Plant

Blue light activates a proton pump at the guard cell plasma membrane. The relationship between proton pumping at the guard cell plasma membrane and stomatal opening is evident from the observations that;

 a.) Orthovandate inhibits the fusicoccin-stimulated opening

 b.) fusicoccin stimulates both proton extrusion from guard cell protoplasts and stomatal opening

 c.) CCCP inhibits the fusicoccin-stimulated opening

 d.) CCCP, a proton ionophore that makes the plasma membrane highly permeable to protons resulting stomatal opening

 Which one of the following observation from the above statements should  be correct?
TLS Online TPP Program

#Question id: 23510

#General Aptitude

While all rivers of Peninsular India flow into the Bay of Bengal, Narmada and Tapti flow into the Arabian Sea because these two rivers: