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TLS Online TPP Program

#Question id: 11092

Which statement is the most accurate definition of external respiration?

#Unit 7. System Physiology – Animal
  1. Bulk flow (convection) of air or water to and from the gas-exchange membrane.
  2. The process by which O2 is transported to the gas-exchange membrane from the environmental medium and by which CO2 is transported away from the membrane into the environmental medium.

  3. The process by which CO2 is transported to the gas-exchange membrane from the environmental medium and O2 is transported away from the membrane into the environmental medium.

  4. Diffusion of O2 and CO2 across the gas exchange membrane.
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TLS Online TPP Program

#Question id: 12704

#Unit 8. Inheritance Biology

Cytoplasmic male sterility (CMS) in plants is caused by mutation in the mitochondrial genome. CMS can be restored by a nuclear gene, restorer of fertility (Rf), which is a dominant character. 
TLS Online TPP Program

#Question id: 5523

#Unit 5. Developmental Biology

Ectodermal cells condense into placodes that change into
TLS Online TPP Program

#Question id: 23454

#General Aptitude

You find a lady’s purse dropped on the road and on pocking it up, find a thousand rupees inside. You would:
TLS Online TPP Program

#Question id: 24206

#Unit 4. Cell Communication and Cell Signaling

The adhesiveness of cadherins depends on the presence of
TLS Online TPP Program

#Question id: 19299

#Unit 12. Applied Biology

A new patented technology that permits a rapid and effective elucidation of functions of unknown genes/DNA sequences.