1236: Extrusive (Intrusive) rocks are forms of:
(a) Igneous rocks
(b) Sedimentary rocks
(c) Metamorphic rocks
(d) None of the above
1237: Which one of the following Articles of the Constitution of India says that the executive power of every State shall be so exercised as not to impede or prejudice the exercise of the executive power of the Union ?
(a) Article 257
(b) Article 258
(c) Article 355
(d) Article 356
1238: Consider the following statements :
At the present level of technology available in India, solar energy can be conveniently used to
I. supply hot water to residential buildings.
II. supply water for minor irrigation projects.
III. provide street lighting.
IV. electrify a cluster of villages and small towns.
Of these statements
(a) I, II, III and IV are correct.
(b) II and IV are correct
(c) I and III are correct
(d) I, II and III are correct
1239: A car runs at a speed of 40 km per hour during the first half of the journey and at a speed of 60 km per hour during the second half of the journey. The average speed of the car is:
(a) 48 kmph
(b) 50 kmph
(c) 52 kmph
(d) 54 kmph
1240: Consider the following statements:
1. The Speaker of the Legislative Assembly Shall vacate his/her office if he/she ceases to be a member of the Assembly.
2. Whenever the Legislative Assembly is dissolved, the Speaker shall vacate his/her immediately.
Which of the statements given above is/are correct?
(a) 1 only
(b) 2only
(c) Both 1 and 2
(d) Neither 1 nor 2