TLS Online TPP Program

#Question id: 3317


Which of the following statements is NOT correct regarding effect of genetic drift?

#Section 2: Evolution
  1. It occur only in small population

  2. It can fix useful allele in population

  3. It can lead to a loss of genetic variation within populations

  4. It alter hardy Weinberg genetic equilibrium

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TLS Online TPP Program

#Question id: 11408

#Section 5: Applied Ecology & Evolution

According to IUCN red list criteria , a species would be classified on the basis of following criteria are a- >50 decline in population during last 10 year b-occur in area less than 20,000 sq km c- total adult population less than 2500 Above observation which of the following class of IUCN

TLS Online TPP Program

#Question id: 11409

#Section 5: Applied Ecology & Evolution

Species characteristics that make them less prone to extinction are listed below:

A. Narrow niche and specialized

B. High dispersal power

C. High trophic status

D. Long life span

Which of the following is the correct combination?

TLS Online TPP Program

#Question id: 11410

#Section 5: Applied Ecology & Evolution

Biodiversity hot spots, those areas with the greatest number of endemic species. Which of the following criteria to qualify as a hot spot region?

A. It must contain at least 1,500 species of vascular plants as endemics

B. It must have lost at least 70% of its original habitat

C. It must contain at least 500 species of bird species

D- It must contain high numbers of species

TLS Online TPP Program

#Question id: 11411

#Section 5: Applied Ecology & Evolution

Vulnerability to extinction can be linked to species following characteristics. Which of the following statement are correct?

 A. Rare species are more prone to extinction than common ones.

 B. Species that are capable of migrating between fragments of habitat, such as between mainland areas and islands, may be more resistant to extinction

 C. Organisms that are specialists are more likely to go extinct

 D. Species with naturally long life spans may be more likely to become extinct

TLS Online TPP Program

#Question id: 11412

#Section 5: Applied Ecology & Evolution

following is criteria to qualify Hot spot.

a) r-selected species

b) High numbers of endemic species

c) Many different types of habitats

d) k- selected species

TLS Online TPP Program

#Question id: 11413

#Section 5: Applied Ecology & Evolution

Which of the following is NOT an attribute of a species that makes it vulnerable to extinction?