TLS Online TPP Program

#Question id: 4907


Two corn plants are studied. One is resistant (R) and the other is susceptible (S) to a certain pathogenic fungus. The following crosses are made, with the results shown

R male X S female = all S progeny

R female X S male = all R progeny

Which of the following are correct about inheritance?

#XL - R Botany
  1. Gene for that trait present in nucleus

  2. Trait follows bi-parental inheritance

  3. Resistance phenotype is dominant

  4. Gene for that trait present in mitochondria

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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

TLS Online TPP Program

#Question id: 9273

#XL - R Botany

In the higher excited state, chlorophyll is extremely unstable; it rapidly gives up some of its energy to the surroundings as heat, and enters the lowest excited state, the excited chlorophyll has four alternative pathways for disposing of its available energy: fluorescence, Heat loss, energy transfer, photochemistry; all process takes place in which wavelength,

TLS Online TPP Program

#Question id: 9274

#XL - Q Biochemistry

The different types of carotenoids found in photosynthetic organisms, the all carotenoids are