266: An accurate clock shows 8 O clock in the morning. Through how many degrees will the hour hand rotate when the clock shows 2 O clock in the afternoon ?
(a) 150 degree
(b) 144 degree
(c) 168 degree
(d) 180 degree
267: Which one of the following is not a feature of Indian federalism?
(a) There is an independent judiciary in India.
(b) Powers have been clearly divided between the Centre and the States.
(c) The federating units have been given unequal representation in the Rajya Sabha.
(d) It is the result of an agreement among the federating units.
268: In which of the following regions of India are shale gas resources found?
1. Cambay Basin
2. Cauvery Basin
3. Krishna-Godavari Basin
Select the correct answer using the code given below.
(a) 1 and 2 only
(b) 3 only
(c) 2 and 3 only
(d) 1, 2 and 3
269: With reference to soil conservation, consider the following practices :
1. Crop rotation
2. Sand fences
3. Terracing
4. Wind breaks
Which of the above are considered appropriate methods for soil conservation in India ?
(a) 1, 2 and 3 only
(b) 2 and 4 only
(c) 1, 3 and 4 only
(d) 1, 2, 3 and 4
270: It has been observed that after-effects of low temperature treatment are helpful in promoting the flowering in certain plants. Through this the vegetative period of plant becomes short and early flowering takes place. This phenomenon is known as
(a) Photoperiodism
(b) Floreignation
(c) Vernalisation
(d) Heliotropism