781. The Ruhr coal fields area of _______ is a major industrial area of the world.
A. USA
B. Erstwhile USSR
C. Australia
D. Germany
✅ The correct answer is option D.
UPSC
782. ______ is famous for its rubber production.
A. Nigeria
B. Ghana
C. Malaysia
D. Germany
✅ The correct answer is option C.
783. The desert regions of the world occupy about _______ part of the land surface of the earth.
A. 1/3
B. 1.6
C. 1/2
D. None of the above
✅ The correct answer is option A.
784. Grasslands in Australia are known as the
A. Downs
B. Steppes
C. Veldt
D. Prairies
✅ The correct answer is option A.
785. Boll-Weevil is a pest that attack the _____ crop.
A. Jute
B. Cotton
C. Hemp
D. Flax
✅ The correct answer is option B.
786. The ‘Old Faithful’ in Yellowstone National Park, Wyoming is a/an
A. hot spring
B. extinct volcano
C. geyser
D. oak tree
✅ The correct answer is option C.
787. The north flowing rivers of Siberia are not of much use tor navigation mainly because
A. they are too shallow in the dry season
B. the lower courses remain frozen for many months
C. they flow through uninhabited areas
D. they lack navigation facilities to ensure safety
✅ The correct answer is option B.
788. Inversion of temperature refers to _____ temperature with height.
A. decrease in
B. increase in
C. constant
D. both increase and decrease in
✅ The correct answer is option B.
789. Which of the following countries has the greatest length of inland waterways?
A. The United States
B. The Former USSR
C. Germany
D. France
✅ The correct answer is option B.
790. The ocean currents allow the oceans to_____ year after year.
A. become warmer
B. become colder
C. maintain the same temperature
D. increase salinity
✅ The correct answer is option C.