3151: The Muslims march seven times round the Kaaba as path of their Haj pilgrimage in the city of:
(a) Riyadh
(b) Mecca
(c) Rabat
(d) Jeddah
3152: Extrusive (Intrusive) rocks are forms of:
(a) Igneous rocks
(b) Sedimentary rocks
(c) Metamorphic rocks
(d) None of the above
3153: In the well-known Lawn Tennis doubles team, Max Mirnyi's the partner of Mahesh Bhupati, comes from which of the following countries?
(a) Italy
(b) Sweden
(c) Belarus
(d) Croatia
3154: Consider the following statements regarding bones in the human body :
1. They consist of 80% solid matter and 20% water.
2. Solid matter in the bones is made mainly of cartilage.
3. Impregnation of salts including carbonates and phosphates of lime imparts hardness to the bones.
4. In old age, the proportion of lime decreases and bones become brittle and break easily.
Of these statements :
(a) 1, 2 and 3 are correct
(b) 2 and 4 are correct
(c) 2 and 3 are correct
(d) 1, 2, 3 and 4 are correct
3155: Pearls are formed inside:
(a) Squids
(b) Snails
(c) Oysters
(d) Mollusks