निम्नलिखित में से कौन सा आवश्यक पादप पोषक तत्व मुख्य रूप से जड़ों द्वारा अवशोषित पानी के माध्यम से पौधों को आपूर्ति किया जाता है?

Mahatma Gandhi's last fast unto death in 1948 was primarily against which of the following?

What was the primary meaning of 'Swaraj' as popularized by Mahatma Gandhi during India's independence movement?

What was one major impact of India’s independence on its economy?