A. Igneous Rock
B. Granite Rock
C. Basalt Rock
D. Magnetite
✅ The correct answer is option A.
Physical Geography
72. Which layer of the earth’s atmosphere contains the ozone layer?
A. Troposphere
B. Mesosphere
C. Ionosphere
D. Stratosphere
✅ The correct answer is option D.
73. Which of the following wind is blowing from the Mediterranean sea to the North Western parts of India?
A. Western disturbances
B. Norwesters
C. Loo
D. Mango showers
✅ The correct answer is option A.
74. A wide inlet of the sea usually concave in shape, is termed as a:
A. Strait
B. Sound
C. Bay
D. Fjord
✅ The correct answer is option C.
75. Where is the Great Barrier Reef located?
A. Pacific Ocean
B. Indian Ocean
C. Atlantic Ocean
D. Arctic Ocean
✅ The correct answer is option A.
76. Soil erosion can be prevented by –
A. Increasing bird population
B. Afforestation
C. Removal of vegetation
D. Overgrazing
✅ The correct answer is option B.
77. The soils which are rich in Calcium are known as –
A. Pedocals
B. Pedalfers
C. Podsols
D. Laterites
✅ The correct answer is option A.
78. Name the condition which influences the development of plants into distinctive forms.
A. Climatic conditions
B. Soil conditions
C. Environmental conditions
D. Social conditions
✅ The correct answer is option A.
79. Virtually treeless, sparse vegetation is found in :
A. Taiga
B. Alpine
C. Tundra
D. Chapparal
✅ The correct answer is option C.
80. Black soil is mainly related with the crop of –
A. cotton
B. sugarcane
C. tea
D. coffee
✅ The correct answer is option A.