A. Isthumus
B. oceanic ridge
C. continental shelf
D. continental slope
✅ The correct answer is option C.
Physical Geography
132. Widening of a river valley takes place due to –
A. Corrosion
B. Lateral erosion
C. Corrasion
D. Hydraulic action
✅ The correct answer is option B.
133. The narrow stretch of water connecting two Seas is called –
A. Bay
B. Peninsula
C. Isthamus
D. Strait
✅ The correct answer is option D.
134. The angle between the magnetic meridian and the geographical meridian at a place is
A. Azimuth
B. Dip
C. Declination
D. Latitude
✅ The correct answer is option C.
135. Which is a tropical food crop requiring a temperature of 270C and a rain fall more than 100 cm?
A. Wheat
B. Maize
C. Rice
D. Barley
✅ The correct answer is option C.
136. Ie glacier’s melting is a common phenomenon linked to the rise in seawater level. The glaciers are predominantly present in–
A. Greenland
B. Antarctica
C. Himalayas
D. Arctic
✅ The correct answer is option B.
137. Which one of the following practices is adopted for restoring the fertility of soil?
A. Weeding
B. Levelling
C. (2) sweet jowar
D. (4) Harrowing
✅ The correct answer is option B.
138. Which one of the following is an igneous rock?
A. Sandstone
B. Shale
C. Quartzite
D. Granite
✅ The correct answer is option D.
139. The sphere of living matter together with water, air and soil on the surface of the earth is known as –
A. Lithosphere
B. Biosphere
C. Hydrosphere
D. Atmosphere
✅ The correct answer is option B.
140. How much of the Earth’s land surface is desert?
A. 1/10th
B. 1/5th
C. 1/3rd
D. (3) 1/6th
✅ The correct answer is option C.