BoardSocial Studies

Lifelines of National Economy

2 Board Social Studies previous year questions on Lifelines of National Economy — options free on every question; 1 include the answer & explanation free, the rest unlock with PYQ Pass.

Q1 FREE PREVIEW

PYQ

The length of India's Coast line is

7615.6 km.

7761.6 km.

7156.6 km.

7516.6 km.

✓ Correct answer: d)

7516.6 km.

Explanation

....

PYQ

Most modern medium of telecommunication is

Telegraph

E-mail

Telephone

Fax

🔒

Answer & explanation — PYQ Pass

Options are free to see. Unlock the correct answer and full explanation with Pass.

Unlock · ₹149

Practice more Board Social Studies PYQs

Browse every Social Studies chapter, or explore the full Board question bank.

All Social Studies chapters →