List - I | List - II | ||
| (A) | Cuckoo lays egg in crow's nest | (I) | Commensalism |
| (B) | Orchid grows in mango tree | (II) | Parasitism |
| (C) | Ticks live on skin of dogs | (III) | Mutualism |
| (D) | Species of Wasp and fig species | (IV) | Brood parasitism |
Rearrange the following parts to form a meaningful and grammatically correct sentence:
P. that maintaining a positive attitude
Q. even in difficult situations
R. is essential for success
S. and helps overcome obstacles effectively