TLS Online TPP Program

#Question id: 2527


Transpirational water flow in the xylem requires a mechanically strong wall that resists from,

#Unit 2. Cellular Organization
  1. collapse in response to the negative pressure in the xylem

  2. the forces generated by turgor pressure

  3. bridge to the plasma membrane

  4. collapse in response to the positive  pressure in the xylem

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TLS Online TPP Program

#Question id: 11906

#Unit 7. System Physiology – Animal

Which of the following changes would you expect to find after administering a vasodilator drug that caused a 50% decrease in afferent arteriolar resistance and no change in arterial pressure?

TLS Online TPP Program

#Question id: 11907

#Unit 7. System Physiology – Animal

A 32-year-old man complains of frequent urination. He is overweight (280 lb, 5 ft 10 in tall), and after measuring the 24-hr creatinine clearance, you estimate his GFR to be 150 ml/min. His plasma glucose is 300 mg/dL. Assuming that his renal transport maximum for glucose is normal, as shown in the figure above, what would be this patient’s approximate rate of urinary glucose excretion?


TLS Online TPP Program

#Question id: 11908

#Unit 8. Inheritance Biology

What is the phenotype of a person who has XXXY sex chromosomes?

TLS Online TPP Program

#Question id: 11909

#Unit 8. Inheritance Biology

In the birds, butterflies and some reptiles, sex is still chromosomal, but the male that possesses two identical sex chromosome while the female has two different sex chromosome,  in this case which one is determining  sex?

TLS Online TPP Program

#Question id: 11910

#Unit 10. Ecological Principles

During succession species that colonize in early seral stages tend to have different life-history characteristics than those that colonize in later seral stages ;

A) Early seral stage in succession

B) Late seral stage in succession

 i) Good seed dispersal ability

ii) Lower plant efficiency in low light

iii) Seed dispersal  by animal

iv) Slower the resource acquisition

v) Found large biomass

vi) Seed longevity is long type

Which of the following is the correct prediction about early and the late successional seral stage?

TLS Online TPP Program

#Question id: 11911

#Unit 10. Ecological Principles

Michael Moulton and Stuart Pimm (1986) showed how the success of birds introduced to Tahiti or the Hawaiian Islands was dependent on the morphology of the species already present , find out the correct graph represents, morphological differences and the probability of invasion success ;