TLS Online TPP Program

#Question id: 11280


Ecosystem services include processes that increase the quality of the abiotic environment. Which of the following processes would fall under this category?

#XL - R Botany
  1. Keystone predators have a marked effect on species diversity.
  2. Green plants and phytoplankton produce the oxygen we breathe.
  3. Bees, flies, and wasps pollinate many plants.
  4. The presence of dams improves flood control
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TLS Online TPP Program

#Question id: 9268

#XL - R Botany

The most active photosynthetic tissue in higher plants is the

TLS Online TPP Program

#Question id: 9269

#XL - Q Biochemistry

The distribution of electrons in the excited molecule is somewhat different from the distribution in the groundstate molecule, Absorption of blue light excites the chlorophyll to a higher energy state than absorption of red light because

TLS Online TPP Program

#Question id: 9269

#XL - R Botany

The distribution of electrons in the excited molecule is somewhat different from the distribution in the groundstate molecule, Absorption of blue light excites the chlorophyll to a higher energy state than absorption of red light because

TLS Online TPP Program

#Question id: 9271

#XL - Q Biochemistry

Chlorophylls a and b are abundant in green plants, and c and d are found in some protists and cyanobacteria. A number of different types of bacteriochlorophyll have been found; which type of chlorophyll is the most widely distributed, shows the distribution of pigments in different types of photosynthetic organisms;

TLS Online TPP Program

#Question id: 9272

#XL - Q Biochemistry

The quantum yield of photosynthesis falls off drastically for far-red light of wavelengths greater than 680 nm, indicating that far-red light alone is inefficient in driving
photosynthesis, this effect is called

TLS Online TPP Program

#Question id: 9272

#XL - R Botany

The quantum yield of photosynthesis falls off drastically for far-red light of wavelengths greater than 680 nm, indicating that far-red light alone is inefficient in driving
photosynthesis, this effect is called