521: Which one of the the following usages was a post-Vedic development ?

(a) Dharma -- Artha -- Kama -- Moksha

(b) Brahmana -- Kshatriya -- Vaishya -- Shudra

(c) Brahmacharya -- Grihastashrama -- Vanaprastha -- Sanyasa

(d) Indra -- Surya -- Rudra -- Marut
522: The minimum land area recommended for forest cover to maintain proper ecological balance in India is

(a) 25%
(b) 33%
(c) 43%
(d) 53%
523: Rajya Sabha can delay the Money Bill passed by the Lok Sabha for a period not exceeding:

(a) 9 days

(b) 14 days

(c) 15 days

(d) 30 days
524: Snake bite first affects the:

(a) Nervous system

(b) Blood circulation

(c) Brain

(d) Lungs
525: Consider the following statements

1. Vardhaman Mahavira's mother was the daughter of Lichchhavi chief Chetaka.

2. Goutama Buddha's mother was a princess from the Kosha-lan dynasty.

3. Parshvanatha, the 23rd Tirthankara, belonged to Banaras.

Which of these statements is/are correct?

(a) Only 1
(b) Only 2
(c) 2 and 3
(d) 1, 2 and 3