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TLS Online TPP Program

#Question id: 11338

The most plausible hypothesis to explain why species richness is higher in tropical than in temperate regions is that

#XL - R Botany
  1. tropical communities are younger.
  2. tropical regions generally have more available water and higher levels of solar radiation.
  3. higher temperatures cause more rapid speciation.
  4. diversity increases as evapotranspiration decreases 
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TLS Online TPP Program

#Question id: 29556

#XL - R Botany

Which of the following are the water-conducting cells of xylem, have thick walls, and are dead at functional maturity?
TLS Online TPP Program

#Question id: 29557

#XL - R Botany

During modification of root, there is found root which basically hanging structures and provide support to the plants, that type of root is an example of___
TLS Online TPP Program

#Question id: 29558

#XL - R Botany

Identify the type of placentation in the following diagram.
TLS Online TPP Program

#Question id: 29559

#XL - R Botany

Which of the following placentation is matched correctly with diagram?
TLS Online TPP Program

#Question id: 29560

#XL - R Botany

_______type of inflorescence has flowers in basipetal succession.
TLS Online TPP Program

#Question id: 29561

#XL - R Botany

Identify the type of aestivation found in Calotropis flowers.