CBSE 2026 · Region 4 · Set 1 · Q28 · 3 marks
There are many animals, which have become extinct in the wild, but continue to be maintained in zoological parks. Answer the questions that follow:(a)What type of bio-diversity conservation is observed in this case ?(b)Explain any other two ways which help in this type of conservation.(c)Besides zoological parks, mention one place that serves this purpose.
There are many animals, which have become extinct in the wild, but continue to be maintained in zoological parks. Answer the questions that follow:
(a)
What type of bio-diversity conservation is observed in this case ?
(b)
Explain any other two ways which help in this type of conservation.
(c)
Besides zoological parks, mention one place that serves this purpose.
Marking-scheme solution
(a)
Ex-situ conservation.
(b)
-Cryopreservation – (–1960C) sperms or eggs or animal tissues or gametes and
embryos of threatened species can be stored .
-In vitro using tissue culture methods plants can be propagated
-Seed banks in which seeds of different genetic strains of commercially important
plants can be kept.
Botanical Gardens in which threatened plants can be conserved in special settings.
-Any other correct option with explanation.
(c)
Botanical Gardens , Wildlife safari parks
Biodiversity and ConservationBiodiversity ConservationUnderstandshort_answermedium
More from Biodiversity and Conservation
- Enlist two criteria that are used to identify a region for maximum protection as 'Biodiversity hotspots'.…2022 · asked 3×
- Given below is a pie chart representing global diversity of vertebrates. Redraw the pie chart identifying the…2024 · asked 3×
- According to a recent wildlife report, the biggest threat to the tiger's survival in Mudumalai Tiger Reserve…2025 · asked 3×
- India has only 2.4% of the world's land area but its share of the global species diversity is:2025 · asked 3×
- Tropical regions harbour more species than the temperate regions. How have biologists tried to explain this…2024 · asked 3×
- Which of the following sacred groves is found in Meghalaya?2026 · asked 3×
- Given below is a picture of a natural large habitat that is being continuously broken into smaller patches.…2022 · asked 3×
- "Some species in an ecosystem exert greater influence in driving major ecosystem services than others." How…2022 · asked 3×
CBSE Class 12 Biology past-paper question from the 2026board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.