What physical feature blocks access to the Indian subcontinent to its north and northeast?

A. the Himalaya mountains

B. The Hindu Kush Mountains

C. The Deccan Plateau

D. The Thar Desert.

The Himalaya Mountains block off India from the rest of East Asia.

The correct answer is letter A - The Himalaya Mountains.

The Himalayas is perhaps the most impressive physical features in the Subcontinent.

These enormous mountains stretch about 1,500 miles along the northern border of the Indian Subcontinent and are formed by the collision of two massive tectonic plates, the Himalayas are home to the world's highest mountains.