Practice Questions

TLS Online TPP Program

#Question id: 11378

Which of the following set of conditions will qualify a species to be considered as critical endangered (EN) as per IUCN criteria?

#Unit 10. Ecological Principles

>90% reduction in population size, <100 km2 area of occupancy, at least 50% estimated extinction risk in three generations.
<2,50 individuals with declining population, <250 mature individuals, at least 20% estimated extinction risk in 20 years
<250 individuals with declining population, <50 mature individuals, at least 50% estimated extinction risk in 10 years.
>90% reduction in population size, <10 km² area of occupancy, at least 50% estimated extinction risk in five generations

More Questions

TLS Online TPP Program

#Question id: 3898

#Unit 3. Fundamental Processes

Which one of the following classes is expressed in the unfertilized egg and is involved in directing the spatial organization of the Drosophila embryo early in development?

TLS Online TPP Program

#Question id: 3899

#Unit 3. Fundamental Processes

Which one of the following classes of genes is involved in specifying the localization of organs in the Drosophila embryo?

TLS Online TPP Program

#Question id: 3900

#Unit 3. Fundamental Processes

In the development of the fly Drosophila, homeotic genes:

TLS Online TPP Program

#Question id: 3901

#Unit 3. Fundamental Processes

Francois Jacob and Jacques Monod are responsible for