In a plant species, flower color purple is dominant over white. One such purple-flowered plant upon selfing produced 35 viable plants, of which 9 were white flowered and the rest were purple flowered. What fraction of these purple-flowered progeny is expected to be pure purple-flowered line?

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#Question id: 10143

#Unit 6. System Physiology – Plant

In the carbon assimilation reaction of photosynthesis, the biosynthesis of 1 molecules of glucose from the 6 molecules of carbon dioxide requires;

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#Question id: 11680

#Unit 7. System Physiology – Animal

After drinking alcoholic beverages, increased urine excretion is the result of ________.

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#Question id: 4965

#Unit 11. Evolution and Behavior

What is thought to be the correct sequence of these events, from earliest to most recent, in the evolution of life on Earth?

1.  origin of mitochondria

2.  origin of multicellular eukaryotes

3.  origin of chloroplasts

4.  origin of cyanobacteria

5.  origin of fungal-plant symbioses

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#Question id: 23317

#General Aptitude

If you would be a teacher, how would you like a behave with your students?

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#Question id: 8692

#Unit 9. Diversity of Life Forms

Which of the following statements is accurate with regard to a phylogeny, as represented by a phylogenetic tree?