A. Earth on the Moon
B. Earth on the Sun
C. Sun and Moon on the Earth
D. Moon on the Earth
Answer –C. Sun and Moon on the Earth
Explanation-
Explanation-
332. Tides in the sea are caused by___ [SSC Constable (GD) & Rifleman (GD) 1912]
A. effect of Sun
B. effect of Moon
C. combined effect of Moon and Sun
D. gravitational force of Earth and Sun
Answer –C. combined effect of Moon and Sun
Explanation-
Explanation-
333. Sea water is saltier than rain water because____ [SSC (10+2) Level Data Entry Operator & LDC 2012]
A. rivers wash away salts from earth and pour them into the sea
B. sea beds have salt producing mines
C. sea animals are salt producing
D. the air around the sea is saltish
Answer –A. rivers wash away salts from earth and pour them into the sea
Explanation-
Explanation-
334. In sea, plants are restricted up to the depth of____[SSC (10+2) Level Data Entry Operator & LDC 2012]
A. 20 m
B. 200 m
C. 1000 m
D. 2000 m
Answer –B. 200 m
Explanation-
Explanation-
335. El Nino occurs over___ [SSC Graduate Level Tier-I 2012]
A. Atlantic Ocean
B. Indian Ocean
C. Pacific Ocean
D. Mediterranean Sea
Answer –C. Pacific Ocean
Explanation-
Explanation-
336. The Sargasso sea is situated in the :[SSC Graduate Level Tier-I 2013]
A. Atlantic Ocean
B. Pacific Ocean
C. Indian Ocean
D. Arctic Ocean
Answer –A. Atlantic Ocean
Explanation-
Explanation-
337. The eastward continuation of the Brazil current is called:[SSC Graduate Level Tier-I 2013]
A. South Atlantic drift
B. Counter Equatorial drift
C. West Atlantic drift
D. North Atlantic drift
Answer –A. South Atlantic drift
Explanation-
Explanation-
338. The rapidly growing mass of phytoplankton covering the surface water of a lake or pond is known as :[SSC CAPFs SI & CISF ASI 2013]
A. Eutrophication
B. Water bloom
C. Water pollution
D. Water hyacinth
Answer –A. Eutrophication
Explanation-
Explanation-
339. The rhythmic rise and fall of ocean water twice in a day is called: [SSC CHSL (10+2) DEO & LDC 2014]
A. Tide
B. Ocean current
C. Wave
D. Water cycle
Answer –A. Tide
Explanation-
Explanation-
340. Which one of the following is a warm ocean current ?[SSC (10+2) Level Data Entry Operator & LDC 2013]
A. Kurile
B. Canary
C. Labrador
D. Gulf Stream
Answer –D. Gulf Stream
Explanation-
Explanation-