The United Nations Committee for Development Policy (COP) has recommended Bangladesh to be removed from the category of Least Developed Country (LDC). How does the United Nations decide on which country is to be removed from a Least Developed Country status?

1. The CDP determines whether a country has fulfilled the eligibility criteria in terms of per capita income, human assets and economic and environmental vulnerability in two consecutive triennial reviews.

2. A country must achieve all the three criteria, in two consecutive triennial reviews to determine whether it can be considered for graduation from an existing category.

3. The CDP, after determining eligibility, recommends the graduation to the United Nations Security Council.

4. The recommendation of the graduation in category requires the approval of the United Nations General Assembly.

Which one of the following methods is not suitable for urban rainwater harvesting?

If one plots the tank irrigation in India and superimposes it with map of well irrigation, one may find that the two are negatively related. Which of the following statements explain the phenomenon?

$1.$ Tank irrigation predates well irrigation.

$2.$ Tank irrigation is in the areas with impervious surface layers.

$3.$ Well irrigation requires sufficient groundwater reserves.

$4.$ Other forms of irrigation are not available.

Select the correct answer using the code given below.

The following five $\left(5\right)$ items consist of two statements, Statement $\mathrm{I}$ and Statement $\mathrm{II}.$ Examine these two statements carefully and select the correct answer going the code given below.

Statement $\mathrm{I}:$

Global warming signifies the rice in global surface temperature.

Statement$\mathrm{II}:$

The increase of concentration of greenhouse gases in the atmosphere causes the rise in global surface temperature.

What was the aim of Ganga Action Plan initiated by the Union Government?
1. Streamlining the flow of the Ganga River.
2. Reduction of Pollution on Ganga River.
3. Efficient use of Ganga water for irrigation.
4. Using Ganga River for generating hydel energy.