TLS Online TPP Program

#Question id: 2181


What is the expected effect on salt accumulation in the plant vacuole of a mutation in the plant vacuolar ATPase that decreases the H+ concentration in the vacuole?

#Unit 2. Cellular Organization
  1. increased Na+ accumulation

  2. decreased Na+ accumulation

  3. no effect

  4. complete seed germination failure

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TLS Online TPP Program

#Question id: 26911

#Unit 10. Ecological Principles

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

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: 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: 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: 26915

#Unit 10. Ecological Principles

Cell walls allow plant cells to build up large internal hydrostatic pressures called

TLS Online TPP Program

#Question id: 26916

#Unit 10. Ecological Principles

If a plant has a fresh weight of 150 g, a dry weight of 100g, and a turgid weight of 160g, what is its relative water content?