Which of the following statements regarding tropical cyclones is/are correct?

1. These storms develop during the summer and autumn in every tropical ocean except the South Atlantic and eastern South Pacific Oceans.

2. Tropical cyclones that occur in the North Atlantic and eastern North Pacific Oceans are known as typhoons.

3. Tropical cyclones that occur in the Indian and South Pacific Oceans are called cyclones.

Select the answer using the code given below :

Identify the land biome on the basis of the given characteristics :

1. Their climates are characterised by high rainfall and temperatures that vary from cold to mild.

2. These forests contain primarily deciduous trees – including maple, oak, hickory and beechwood.

3. Raccoons, opossums, bats and squirrels are found in the trees.

Select the correct land biome from the options given below :

Which of the following were features of the postal system of India as described by Ibn Battuta?

1. The foot post carries a ringing bell in one hand.

2. The horse post is called uluq, stationed at a distance of every four miles.

3. The foot post or dawa has one station at every four kos of distance.

4. The foot post is quicker than horse post.

Select the correct answer using the code given below :

Which one of the following texts is a commentary written by Chakrapanidatta (11 Century CE from Bengal) on the Sushrut Samhita?