581: On a half-moon night the angle between the moon and the sun when measured from earth is about
(a) 45°
(b) 60°
(c) 90°
(d) 180°
582: At which one of the following places do two important rivers of India originate, while one of them flows towards north and merges with another important river flowing towards Bay of Bengal, the other one flows towards Arabian Sea?
(a) Mahabaleshwar
(b) Badrinath
(c) Amarkantak
(d) Nasik
Explanation:
Amarkantak is situated in Anuppur District of Madhya Pradesh Johila River emerge.
Narmada river flows westward over a length of 1,312 km (815.2 mi) before draining through the Gulf of cambey (khambat) into the Arabian Sea, 30 km (18.6 mi) west of Bharuch city of Gujarat.
The Sone river flows north-northwest through Madhya Pradesh before turning sharply eastward when it encounters the Southwest -Northeast-running kaimur Range. The Son parallels the Kaimur Range, Flowing east-northeast through utter Pradesh and Bihar states to join the Ganges just above patna which is flowing towards Bay of Bengal.
583: Assertion (A): Wind patterns are clockwise in the northern hemisphere and anti-clockwise in the southern hemisphere.
Reason (R):The direction of wind patterns in the northern and the southern hemisphere are governed by Coriolis effect.
(a) Both A and R are individually true and R is the correct explanation of A.
(b) Both A and R are individually true but R is not the correct explanation of A
(c) A is true but R is false.
(d) A is false but R is true.
584: A person stood alone in a desert on a dark night and wanted to reach his village which was situated 5 km east of the point where he was standing. He had no instruments to find the direction but he located the polestar. The most convenient way now to reach his village is to walk in the
(a) direction facing the polestar
(b) direction opposite to the polestar
(c) direction keeping the polestar to his left
(d) direction keeping the polestar to his right
Explanation:
A pole star is a visible star, preferably a prominent one, that is approximately aligned with the Earth's axis of rotation; that is, a star whose apparent position is close to one of the celestial poles, and which lies approximately directly overhead when viewed from the Earth's North pole or South Pole. The Pole Star always appears on the horizon, and since it lies exactly in the North direction, it is always at a fixed point, on the Northern horizon.
585: Match List-I (Beaches in India) with List-II (States) and select the correct answer using the codes given below the Lists:
List I -- List II
(Beaches in India) -- (States)
A. Gopnath Beach -- 1. Andhra Pradesh
B. Lawsons Bay Beach -- 2. Kerala
C. Devbagh Beach -- 3. Gujarat
D. Sinquerim Beach -- 4. Goa
5. Karnataka
Codes :
A B C D
(a) 5 4 2 1
(b) 3 1 5 4
(c) 5 1 2 4
(d) 3 4 5 1