Which of the following are an ex-situ mode of conservation

1. Seed Banks

2. Zoo

3. Reintroduction of species in the wild

Select the correct answer from the codes given below:

a) 1 and 2 only

b) 1 and 3 only

c) 2 and 3 only

d) 1, 2 and 3

Ans-[D]

Explanation- It might seem that reintroduction of species in the wild is an in-situ mode of conservation but it actually is an ex-situ method.