TLS Online TPP Program

#Question id: 2862


What is the result of regulatory mutation in given lac operon in merodiploids,

#Unit 2. Cellular Organization
  1. Both lac operons repressible, mutation is recessive

  2. One lac operon nonrepressible, mutation is cis-dominant

  3. Both lac operons uninducible, mutation is trans-dominant

  4. One lac operon nonrepressible, mutation is  trans-negative

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TLS Online TPP Program

#Question id: 29070

#Unit 10. Ecological Principles

Which of the following prediction is applicable for semelparous reproductive strategy?

TLS Online TPP Program

#Question id: 29071

#Unit 10. Ecological Principles

Population ecologists follow the fate of same-age cohorts to

TLS Online TPP Program

#Question id: 29072

#Unit 10. Ecological Principles

There are some following figures depicts the age structure of three populations;

Assuming these age-structure diagrams describe human populations, which population is likely to experience negative growth rate?

TLS Online TPP Program

#Question id: 29073

#Unit 10. Ecological Principles

Given below is an ecological pyramid, which of the following statements about these pyramid is correct:

TLS Online TPP Program

#Question id: 29074

#Unit 10. Ecological Principles

Given below is a matrix of possible interactions beneficial. (+), harmful (-), Neutral (0) between species 1 and 2. The names of interactions, A, B, C, D and E respectively;

TLS Online TPP Program

#Question id: 29075

#Unit 10. Ecological Principles

Identify the pollinators for the flowers with following pollination syndromes

I- Flowers evolved features such as blue purple yellow and various other except red

II- Flowers evolved features such as no fragrance because their pollinators has poor sense of smell

III- Flowers only white or light , reflective colors only with strong odori because their pollinators has good sense of smell

IV- flower has every colour including red colour with light floral scent and also providing landing place for nectar