1461. Which planet orbits closest to the earth?
A. Mars
B. Jupiter
C. Venus
D. Mercury
✅ The correct answer is option C.
UPSC
1462. In which of the following is the Great Barrier Reef located?
A. Coral Sea
B. Solomon Sea
C. Bismarck Sea
D. Arafura Sea
✅ The correct answer is option A.
1463. Day and Night are equal at the:
A. Prime Meridian
B. Antarctic
C. Poles
D. Eqator
✅ The correct answer is option D.
1464. River erosion is at its greatest where river’s –
A. depth is more
B. breadth is more
C. flow is fast
D. gradient is more
✅ The correct answer is option C.
1465. Which one is not a non-conventional energy source?
A. Nuclear energy
B. Solar Energy
C. Wind energy
D. Tidal power
✅ The correct answer is option A.
1466. Natural embankments found on upper valley sides are-known as –
A. high banks
B. levees
C. bunds
D. ridge
✅ The correct answer is option B.
1467. Source of energy in ecosystem is –
A. Sun
B. Green plants
C. Sugar produced in photosynthesis
D. ATP
✅ The correct answer is option A.
1468. Which of the following methods does not help in conserving soil fertility and moisture?
A. Contour ploughing
B. Dry farming
C. Strip cropping
D. Shifting agriculture
✅ The correct answer is option D.
1469. Mountain soil contains a lot of—
A. humus
B. clay
C. coase material
D. iron and aluminium salt
✅ The correct answer is option A.
1470. The deepest ocean of the world is –
A. Atlantic Ocean
B. Arctic Ocean
C. Indian Ocean
D. Pacific Ocean
✅ The correct answer is option D.