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TLS Online TPP Program

#Question id: 4948

RNA molecules can both carry genetic information and be catalytic. This supports the proposal that 

#Section 2: Evolution

  1. RNA was the first hereditary information.

  2. protobionts had an RNA membrane.

  3. RNA could make energy.

  4. free nucleotides would not have been necessary ingredients in the synthesis of new RNA molecules.

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TLS Online TPP Program

#Question id: 16816

#Section 4: Behavioural Ecology

Where are stomata present in submerged hydrophytes?
TLS Online TPP Program

#Question id: 10589

#Section 1: Ecology

We have seasonal breeding population of 1,000 organisms increasing at a finite rate of 15% per year. The population size will be after 4 year?
TLS Online TPP Program

#Question id: 10737

#Section 1: Ecology

Which of the following statements is true?
TLS Online TPP Program

#Question id: 4714

#Section 2: Evolution

After the drought of 1977, researchers hypothesized that on the Galápagos Island Daphne Major, medium ground finches with large, deep beaks survived better than those with smaller beaks because they could more easily crack and eat the tough Tribulus cistoides fruits. A tourist company sets up reliable feeding stations with a variety of bird seeds (different types and sizes) so that tourists can get a better look at the finches. Which of these events is now most likely to occur to finch beaks on this island?
TLS Online TPP Program

#Question id: 11514

#Section 1: Ecology

Which of the following is not an outcome of high population density?