2301: Hydroponics means:
(a) Cultivation of plants without the use of soil
(b) Detection of sound in water
(c) Animals living in water
(d) A Japanese way of flowering
2302: "A graduate at 18, professor and associated editor of the Sudharak at 20, Secretary of the Sarvajanik Sabha and of the Provincial Conference at 25, Secretary of the National Congress at 29, leading witness before an important Royal Commission at 31, Provincial legislator at 34, Imperial legislator at 36, President of the Indian National Congress at 39......... a patriot whom Mahatma Gandhi himself regarded as his master." This is how a biographer describes
(a) Pandit Madan Mohan Malaviya
(b) Mahadev Govind Ranade
(c) Gopal Krishna Gokhale
(d) Bal Gangadhar Tilak
2303: Consider the following statements:
1. Some species of turtles are herbivores.
2. Some species of fish are herbivores.
3. Some species of marine mammals are herbivores.
4. Some species of snakes viviparous.
Which of the statements given above arc correct?
(a) 1 and 3 only
(b) 2, 3 and 4 only
(c) 2 and 4 only
(d) 1, 2, 3 and 4
2304: Consider the following rivers:
1. Vamsadhara
2. Indravati
3. Pranahita
4. Pennar
Which of the above are tributaries of Godavari?
(a) 1, 2 and 3
(b) 2, 3 and 4
(c) 1, 2 and4
(d) 2 and 3 only
2305: A solid cube just gets completely immersed in water when a 0.2 kg mass is placed on it. If the mass is removed, the cube is 2 cm about the water level. What is the length of each side of the cube?
(a) 12 cm
(b) 10 cm
(c) 8 cm
(d) 6 cm