531: Bhakra Nangal, Hirakud and Kosi projects are situated on the rivers:

(a) Sutlej, Mahanadi and Kosi

(b) Sutlej, Mahanadi and Purna

(c) Mahanadi, Beas, Godavari

(d) Beas, Mahanadi, Sutlej
532: Gondwana hills are located in:

(a) Punjab

(b) Jammu and Kashmir

(c) Madhya Pradesh

(d) Nagaland
533: Among the following, who are the Agarean community?

(a) A traditional toddy tappers community

(b) A traditional fishing community of Maharashtra

(c) A traditional silk-weaving community of Karnataka

(d) A traditional salt pan workers community of Gujarat

Explanation:
The Agaria, originally the inhabitants of Agra twon but due to harrassments of Muslim ruler of Agra they migrated to Kutchch through Ahmedabad. They are concentrated in a few villages including Bhut, matra, mandvi and loharto of Gujrat.
534: Daily weather map showing isobars is an example of

(a) Choropleth map
(b) Isopleth map
(c) Chorochromatic map
(d) Choroschematic map
Explanation:
Daily weather map showing isobars i.e. places having equal pressure is an example of Isopleth map.
535: "Jhum Cultivation" is connected with:

(a) Tribal people

(b) Delta cultivation

(c) Dry farming

(d) Hilly people