1: A tree species in Mauritius failed to reproduce because of the extinction of a fruit-eating bird. Which one of the following was that bird ?
(a) Dove
(b) Dodo
(c) Condor
(d) Skua
2: A goat is tied to two poles P and Q with ropes that are 15-metre long. P and Q are 20-metre apart as shown in the given diagram:
3: A sandy and saline area is the natural habitat of an Indian animal species. The animal has no predators in that area but its existence is threatened due to the destruction of its habitat. Which one of the following could be that animal?
(a) Indian gazelle
(b) Indian wild ass
(c) Indian wild boar
(d) Indian wild buffalo
4: Some medicines are given in the form of capsules. The capsules are made of
(a) Paper
(b) Gelatinous material
(c) Embryonic tissue
(d) Starch
5: Which of the following have coral reefs?
1. Andaman and Nicobar Islands
2. Gulf of Kachchh
3. Gulf of Mannar
4. Sunderbans
Select the correct answer using the code given below.
(a) 1, 2 and 3 only
(b) 2 and 4 only
(c) 1 and 3 only
(d) 1, 2, 3 and 4