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TLS Online TPP Program

#Question id: 11129

Which of the following statements concerning the neuronal membrane at rest is correct?

#SCPH28 | Zoology
  1. The extracellular sodium concentration is less than its intracellular concentration
  2. The concentration of chloride is greatest inside the cell
  3. If the resting potential is moved to a more negative value, the cell becomes more excitable
  4. The concentration gradient for potassium is such that it tends to move out of the cell
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TLS Online TPP Program

#Question id: 9237

#SCPH28 | Zoology

Which of the following factors causes extremely high levels of toxic chemicals in fish-eating birds?
TLS Online TPP Program

#Question id: 8899

#SCPH28 | Zoology

A new species of aquatic chordate is discovered that closely resembles an ancient form. It has the following characteristics: external armor of bony plates, no paired lateral fins, and a suspension-feeding mode of nutrition. In addition to these, it will probably have which of the following characteristics?
TLS Online TPP Program

#Question id: 1271

#SCPH28 | Zoology

Common sugars found in proteoglycans include all of the following except:
TLS Online TPP Program

#Question id: 22949

#SCPH06 I Botany

How CONSTANS gene and its encoded protein involved in translating day length into a signal that converts a vegetative shoot meristem into a floral meristem?
TLS Online TPP Program

#Question id: 18007

#SCPH06 I Botany

The following geological eras mark the advent of important events in the history of earth- origin of first vertebrates armored fishes, origin of First reptiles, origin of first dinosaurs;
a) Triassic b) Pennsylvanian
c) Ordovician d) Cambrian

Identify the correct match of the events with the geological era;