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TLS Online TPP Program

#Question id: 11175

Leks

#Section 1: Ecology
  1. Are areas where males gather and display for females
  2. Is a reproductive strategy involving just one bout of reproduction during an individual's lifetime
  3. Involve intrasexual selection: female-to-female competition
  4. Is a reproductive strategy in which an individual alternates between playing the role of a female and the role of a male
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TLS Online TPP Program

#Question id: 7496

#General Aptitude

A goods train runs at the speed of 63 km/h and crosses a 250 m long bridge in 28 s, what is the length of the goods train?
TLS Online TPP Program

#Question id: 12417

#Section 1: Ecology

_________ are an example of an animal with a Type II survivorship curve.
TLS Online TPP Program

#Question id: 12262

#Section 2: Evolution

The myxoma virus was introduced to Australia to control an outbreak of which of the following pests? 
TLS Online TPP Program

#Question id: 3489

#Section 2: Evolution

 In a bird species A, the male alone builds the nest, incubates the eggs and feeds the nestling. In bird species B, it is the female that does all that. In bird species C, both sexes contribute equally to the above activities. In species A and B, the uninvolved partner may fly away and mate again. Which sex among A, B and C is most likely to develop colorful plumage during breeding season?
TLS Online TPP Program

#Question id: 12343

#Section 1: Ecology

Hybrids between some related species of plants are sterile because the parent plants had different chromosome numbers. Occasionally the chromosome number of such a hybrid  plant doubles spontaneously. Which of the following best describes the descendants of those plants with the double chromosome number?