Indian Rivers and Waterways

Kabini River originates in the Wayanad District of Kerala, making it the correct answer. It flows through both Kerala and Karnataka before joining the Kaveri River. Parambikulam River is in Kerala but not in Wayanad, Thamirabarani is in Tamil Nadu, and South Pennar is in Andhra/Karnataka.

Kollidam River is the northern distributary of the Kaveri River, branching off near Srirangam in Tamil Nadu. Vennaaru and Chittar are smaller rivers in Tamil Nadu but not Kaveri distributaries. Bhavani is a tributary that joins Kaveri, not a distributary.

Arasalar River is a branch of the Cauvery River that splits into multiple distributaries near its mouth in the Cauvery delta region. Parambikulam is in Kerala, Kedilam is a different river in Tamil Nadu, and Vaigai flows independently through Madurai.

Vaigai River flows through Madurai city and is the primary river associated with this region in Tamil Nadu. Kaveri is further north, Gomukhi is a smaller tributary, and Manimuthar is in Tirunelveli district.

Pahrali River flows through the Kanyakumari District at the southern tip of India. Malattar and Ponnaiyar are in northern Tamil Nadu, while Parambikulam is in Kerala. Pahrali is one of the few rivers in Kanyakumari district.

Adyar River originates in the Chengalpattu district (now part of Kanchipuram) of Tamil Nadu and flows through Chennai. Kabini is in Kerala-Karnataka, Pachaiyar is in Tirunelveli, and Kollidam is a Kaveri distributary near Thanjavur.

Delta is the correct answer - a river delta is named after the Greek letter delta because the sediment deposits at a river's mouth often form a triangular shape resembling the letter. The other options are not used to name river formations in geography.

The Blue Nile is a major tributary of the Nile River, originating at Lake Tana in Ethiopia. It contributes approximately 80% of the Nile's water supply and joins with the White Nile in Khartoum, Sudan, to form the main Nile River.

Hirakud Dam, built across the Mahanadi River near Sambalpur, is the longest earthen dam in the world at 15 km in length. It was completed in 1957 and serves irrigation and hydroelectric power generation. Naraj and Rengali are smaller dam projects on the same river.

The Godavari River originates from Trimbakeshwar near Nasik (Nashik) in Maharashtra. It is the longest river in peninsular India and flows through several states before emptying into the Bay of Bengal.

Himalayan is a bottled water brand owned by Tata Consumer Products. It sources water from the Himalayan mountains and is marketed as a premium natural mineral water brand.

The Tapti River flows westward through central India and drains into the Arabian Sea, making option B correct. The Godavari, Krishna, and Mahanadi (options A, C, D) all flow eastward into the Bay of Bengal, not the Arabian Sea. The Tapti is one of the major west-flowing peninsular rivers.

The Kabini River is a tributary of the Kaveri River in southern India, making option C correct. The Kabini originates in the Western Ghats of Kerala and flows through Karnataka before joining the Kaveri. The Ganges (A) flows in North India, while Mandovi (B) and Periyar (D) are rivers in Goa and Kerala respectively, not connected to the Kabini system.

The Brahmaputra and Indus river basins do cover approximately 10-12% of India's total geographical area combined, making the statement true. The Brahmaputra basin covers parts of Northeast India, while the Indus basin covers parts of Jammu & Kashmir, Himachal Pradesh, and Punjab. Together they constitute roughly one-tenth of India's land area.