541: Solution of washing soda in water is:
(a) Acidic
(b) Basic
(c) Neutral
(d) Sour
542: The Sixth and the Eighth Five-Year Plans covered the period 1980-85 and 1992-97 respectively. The Seventh Five-Year Plan covered the period
(a) 1987-92
(b) 1986-91
(c) 1985-90
(d) 1988-94
543: In medieval India, the designations `Mahattara and `Pattakila were used for
(a) military officers
(b) village headmen
(c) specialists in vedic rituals
(d) chiefs of craft guilds
544: Low temperatures (Cryogenics) find application in
(a) space travel, surgery and magnetic levitation
(b) surgery, magnetic levitation and telemetry
(c) space travel, surgery and telemetry
(d) space travel, magnetic levitation and telemetry
545: Parliament or a State Legislature can declare a seat vacant if a member abstains himself without permission from the sessions for atleast
(a) 30 days
(b) 60 days
(c) 90 days
(d) 120 days