Agriculture in India : Food Crops — Geography STD 10 — Question

What does BM 225.3 mean? Give its four figure reference.

What is a grid square? Give four figure reference of confluence of Main river and Balaram Nadi.

Bhakra-Nangal, Hirakud are boon to India.

Soil erosion is a gradual process that occurs when the impact of water or wind detaches and removes soil particles, causing the soil to deteriorate. Soil deterioration and low water quality due to erosion and surface runoff have become severe problems worldwide. A research says in coming 45 to 50 years, the productivity of
the soil will completely finish.
(a) What are the various anthropogenic reasons for soil erosion?
(b) Why is this problem becoming serious?
(c) Suggest any one measure to control the deterioration and explain why should the method suggested by you be implemented.

What is waste?

What are the major constituents of soil?

Classify the following trees as Soft-wood and Hard-wood trees:
Fir, Pine, Teak, Spruce, Rosewood, Sandalwood, Chir, Sal, Shisham and Silver Fir.

Which part of the map extract is least developed and why?

Jute is called the brown paper of the wholesale trade. Explain.

What does the following mean?
(i) 16 r in 3887
(ii) 8r in 4192