Biology 9700 · AS & A Level · Conservation

Conservation — practice question

(a)[3]

State three reasons why conserving endangered plant species is important.

(b(i))[2]

Using Table 4.1, compare the genetic diversity of $V.\ guangxiensis$ in the botanic garden with that in the wild populations.

(b(ii))[2]

Suggest reasons for the comparatively low percentage of polymorphic bands seen in wild population C.

(b(iii))[2]

Explain why high genetic diversity matters for a species.

(i)[2]

Using Table 4.1, compare the genetic diversity of the population of $V.\ guangxiensis$ in the botanic garden with that of the wild populations.

(ii)[2]

Suggest reasons for the comparatively low percentage of polymorphic bands seen in wild population C.

(iii)[2]

Explain why high genetic diversity matters for a species.

(iv)[2]

The Xishuangbanna Tropical Botanical Garden is situated only tens of kilometres from the habitats of the wild populations of $V.\ guangxiensis$. Suggest how this may help with the long-term conservation of this species.

(c(i))[2]

Explain why storing seeds may be a more effective conservation method than maintaining a population of growing plants.

(c(ii))[2]

Suggest why a sample of each type of seed kept in a seed bank is germinated every few years.

Worked solution & mark scheme

This 21-mark question has a full step-by-step worked solution and mark scheme. One marking point: helps preserve biodiversity

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI