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TLS Online TPP Program

#Question id: 10840

Why are monarch butterfly’s toxic?

#Section 1: Ecology
  1. They incorporate the toxic chemicals from the milkweed they eat
  2. They produce their own secondary compounds
  3. They break down the toxic chemicals from the milkweed they eat
  4. Monarch butterflies are not toxic; they only look that way
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TLS Online TPP Program

#Question id: 3264

#Section 2: Evolution

Which of the following is (are) true of natural selection?
TLS Online TPP Program

#Question id: 7500

#General Aptitude

A man is standing on a railway bridge which is 180 m long. He finds that a train crosses the bridge in 20 seconds but himself in 8 seconds. Find the length of the train and its speed.
TLS Online TPP Program

#Question id: 10893

#Section 2: Evolution

The ___________ holds that two species with the same ecological requirements cannot coexist.
TLS Online TPP Program

#Question id: 9208

#Section 2: Evolution

Which of the following threats to biodiversity is targeted at specific species rather than groups of species?
TLS Online TPP Program

#Question id: 12265

#Section 1: Ecology

A metapopulation consists of