21. Which river originates in the western Himalayas and flows through the Indus Valley?
a) Ganga
b) Yamuna
c) Brahmaputra
d) Indus
Answer: d
22. Which river flows through the Thar Desert?
a) Ganga
b) Brahmaputra
c) Godavari
d) Luni
Answer: d
23. Which state has the longest coastline in India?
a) Gujarat
b) Maharashtra
c) Andhra Pradesh
d) Tamil Nadu
Answer: d
24. Which is the largest island in India?
a) Great Nicobar
b) Andaman
c) Lakshadweep
d) Majuli
Answer: b
25. Which is the largest delta in India?
a) Sundarbans Delta
b) Krishna-Godavari Delta
c) Kaveri Delta
d) Mahanadi Delta
Answer: a