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TLS Online TPP Program

#Question id: 12760

Which of the examples below provides appropriate abiotic and biotic factors that might determine the distribution of the species in question?

#Unit 10. Ecological Principles
  1.  The amount of nitrate and phosphate in the soil and wild flower abundance and diversity
  2.  The number of frost-free days and competition between species of introduced grasses and native alpine grasses
  3.  Increased predation and decreased food availability and a prairie dog population after a prairie fire
  4. Available sunlight and increased salinity in the top few meters of the ocean and the abundance and diversity of phytoplankton communities
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TLS Online TPP Program

#Question id: 26917

#Unit 10. Ecological Principles

Which of the following is the correct prediction about the relative water content or RWC?
a.RWC is involve to measure of turgidity and water contents of plant cell
b.To estimate RWC, three measurements are needed: fresh weight, turgid weight, and dry weight
c.In drought condition, plant will die if the RWC values is less than 100%
d.RWC values closer to 100% indicate plants are less affected by drought stress
TLS Online TPP Program

#Question id: 26915

#Unit 10. Ecological Principles

Cell walls allow plant cells to build up large internal hydrostatic pressures called
TLS Online TPP Program

#Question id: 26914

#Unit 10. Ecological Principles

Some given statements about anti freezing are given;
a.some invertebrates to withstand temperatures as low as –18°C without freezing, in presence of glycoproteins
b.Sodium, potassium, or chloride ions involve to increasing  the blood freezing point, so the lack of these ions some species help to lower the blood freezing point
c.Amphibians release large amount of glucose into the blood to prevent freezing of blood in cold
d.Sodium, potassium or urea function as anti freezing in their blood
e.Glycine causes supercooling in plants
Which of the following statements about supercooling/anti freezing is correct?
TLS Online TPP Program

#Question id: 26913

#Unit 10. Ecological Principles

Metabolic rate of Ectotherm and endotherm with respect to variable temp, which of the following represented graph is correct?
TLS Online TPP Program

#Question id: 26912

#Unit 10. Ecological Principles

Determine the correctness of the following given;  I-fundamental niche and  II-realized niche
a.Actual range of an organism in nature
b.Biotic factors 
c.Abiotic factors
d.Abundant range of an organism
TLS Online TPP Program

#Question id: 26911

#Unit 10. Ecological Principles

Which of the following is the characteristics of a realized niche?
Resource utilisation more
Determine by abiotic factors
limiting the areas inhabited by their prey or  hosts
Limited their niche by the temperature