1. Rhisotope project is related to protect?
a) Kangaroo Rat
b) Riverine rabbit
c) Rhinos
d) River Bed Erosion
Answer. c) Rhinos
South African scientists make rhino horns radioactive to curb poaching.
Inserting measured quantities of radioisotopes into the horns of live rhinos makes horns useless and poisonous for human consumption.
2. Project Tiger started in which year?
a) 1960
b) 1972
c) 1973
d) 1986
Answer. c) 1973
India officially marks the 50th year of "Project Tiger" on 9 April 2023.
World Tiger Day: 29th July
Madhya Pradesh has the highest tiger reserve in India.
The highest density of tigers is found in Jim Corbett National Park.
3. Bohai Gulf often appears in the News, where is it located?
a) Yellow Sea
b) Caribbean Sea
c) North Sea
d) Red Sea
Answer. a) Yellow Sea.
UNESCO has recently declared China’s Migratory Bird Sanctuaries and the Yellow Sea-Bohai Gulf as World Heritage sites.
4. With reference to the Indus River system, of the following four rivers, three of them pour into one of them which joins the Indus directly. Among the following, which one is such a river that joins the Indus directly? ( UPSC 2021)
a) Chenab
b) Jhelum
c) Ravi
d) Sutlej
Answer. d) The Satluj receives the collective drainage of the Ravi, Chenab, and Jhelum rivers. It joins the Indus River in Pakistan.
5. Among the following, which one is the least water-efficient crop? ( UPSC 2021)
a) Sugarcane
b) Sunflower
c) Pearl millet
d) Red gram
Answer. a) Sugarcane is a heavy water-intensive crop and the least water-efficient crop.
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