What is the full form of the abbreviation UNEP? 

Select the option in which the numbers are related in the same way as the numbers of the following set.
$(3, 2, 3)$ 

Select the option that is related to the fourth number in the same way as the first number is related to the second number and the fifth number is related to the sixth number.

$17 : 293 : : ? : 488 : : 21 : 445$

Consider the following statements about the UN-Habitat: 

1. It is the United Nations programme for human settlements and sustainable urban development. 
2. It aims to promote socially and environmentally sustainable human settlement development and the achievement of adequate shelter for all. 

Which of the following statements is/are correct? Select the correct answer using the codes below: 

Which of the following pair/pairs is NOT correctly matched? Select the correct answer using the codes below:

Consider the following statements:

$1$. Isopleth is the line joining points of equal acidity, as in acid precipitation.

$2$. Isoplat is the line representing points of equal annual change in magnetic declination.

Which of the given statement/s is/are correct?

Consider the following statements about UNICEF:

1. It is the successor of the United Nations International Children's Emergency Fund. 
2. It is an agency of the United Nations responsible for providing humanitarian and developmental aid to children worldwide. 

Which of the following statements is/are correct? Select the correct answer using the codes below:

Consider the following List-I and List-II: 

Which of the following pair/pairs is NOT correctly matched? Select the correct answer using the codes below: