Which of the statements about non-biodegradable wastes is correct? i. They are commonly man-made. ii. They can be degraded by microorganisms. iii. The soluble non-biodegradable wastes enter food chains and cause bio-magnification. iv. They do not accumulate in nature.

Which Indian independence movement leader was primarily known for his philosophy and practice of non-violent civil disobedience?

Who gave the call for 'Do or Die' during the Quit India Movement in 1942?

Which of the following revolutionary pairs were imprisoned together in Cellular Jail and faced harsh conditions, contributing significantly to the Indian independence movement?