Ex-situ ("outside the place") conservation means taking threatened animals and plants OUT of their natural habitat and keeping them in special protected settings like zoos, botanical gardens and seed banks where they get special care. Memory hook: ex = exit the habitat. This is the opposite of in-situ, where species are protected ON-site.
Ex-situ conservation moves threatened species out of the wild into off-site settings (zoos, botanical gardens, seed/gene banks) and advanced methods like cryopreservation, in-vitro fertilisation and tissue culture, so a species can be revived even if lost in the wild.
Your doubts, answered
Is ex-situ conservation on-site or off-site?
Off-site. 'Ex-situ' literally means 'outside the place'. The species is removed from where it naturally lives and cared for elsewhere. This is the single fact NEET tests most, so lock it: in-situ = on-site (in the habitat), ex-situ = off-site (away from the habitat).
Is a zoo in-situ or ex-situ conservation?
A zoo (zoological park) is ex-situ. NCERT lists zoological parks, botanical gardens and wildlife safari parks as ex-situ methods because the animals live away from their natural home. Students often wrongly guess 'in-situ' because a zoo protects animals, but protection is not the test, LOCATION is.
Why do we need ex-situ conservation if in-situ already exists?
Some species are already extinct in the wild but survive only in zoos, so in-situ cannot save them. Ex-situ also acts as a backup: it stores gametes, seeds and tissue so a species can be revived even if its habitat is destroyed. In-situ and ex-situ are used together, not as competitors.
Are sacred groves ex-situ or in-situ?
Sacred groves are IN-situ, not ex-situ. They are patches of forest protected within their natural habitat through religious tradition. NEET has repeatedly used sacred groves as the 'odd one out' in ex-situ lists (NEET 2018), so remember: sacred groves stay in the forest, so they are in-situ.
Is a seed bank in-situ or ex-situ?
A seed bank is ex-situ. Seeds of different genetic strains are stored off-site for long periods. Along with gene banks, cryopreservation of gametes and in-vitro fertilisation, seed banks are the 'advanced' ex-situ methods NCERT added beyond simple enclosures.
⚠️ The NEET trap ✗ Marking a zoo, botanical garden or seed bank as in-situ because it 'protects' the species. ✓ Protection is not the deciding factor; LOCATION is. Zoos, botanical gardens, safari parks and seed banks keep species away from the natural habitat, so all are ex-situ. Only methods that protect species inside the habitat (national parks, sanctuaries, biosphere reserves, sacred groves) are in-situ. 🧠 Ask 'is the species still in its wild home?' If NO, it is ex-situ.
Real NEET questions
NEET 2018
All of the following are included in 'ex-situ conservation' except
A · Botanical gardens
B · Sacred groves ✓
C · Wildlife safari parks
D · Seed banks
Solution: Sacred groves are tracts of forest protected within their natural habitat by religious tradition, so they are an in-situ method, not ex-situ. Botanical gardens, wildlife safari parks and seed banks all keep species away from the natural habitat, so they are genuine ex-situ methods. The exception is sacred groves.
NEET 2026
Which of the following is an in situ conservation method?
A · Sacred Groves ✓
B · Wildlife Safari Parks
C · Botanical Gardens
D · Seed Banks
Solution: Sacred groves are given total protection within their natural habitat, making them in-situ (on-site). Wildlife safari parks and botanical gardens house species removed from the wild, and seed banks store seeds off-site, so all three are ex-situ. Only sacred groves are in-situ.
Solved Biodiversity and Conservation NEET PYQs
Try the real previous-year questions from this chapter — each with the answer and a full solution.
Protecting threatened animals and plants by taking them out of their natural habitat and giving them special care in places like zoos, botanical gardens and seed banks.
What are the methods of ex-situ conservation?
Zoological parks (zoos), botanical gardens, wildlife safari parks, seed banks, gene banks, cryopreservation of gametes, in-vitro fertilisation and tissue culture propagation.
What does 'ex-situ' literally mean?
It means 'outside the place' or 'off-site'. The species is conserved away from where it naturally lives.
Give one example where only ex-situ conservation can help.
Species that are already extinct in the wild but still maintained in zoological parks can be saved only through ex-situ conservation, since their natural habitat no longer supports them.
How is ex-situ different from in-situ conservation?
In-situ protects species inside their natural habitat (national parks, sanctuaries, biosphere reserves, sacred groves). Ex-situ protects them outside the habitat (zoos, botanical gardens, seed banks).
