1721: 'Belt and Road Initiative' is sometimes mentioned in the news in the context of the affairs of

(a) African Union
(b) Brazil
(c) European Union
(d) China
1722: With reference to micro-irrigation, which of the following statements is/are correct ?

1. Fertilizer/nutrient loss can be reduced.

2. It is the only means of irrigation in dry land farming.

3. In some areas of farming, receding of ground water table can be checked.

Select the correct answer using the codes given below:

(a) 1 only
(b) 1 and 3 only
(c) 2 and 3 only
(d) 1, 2 and 3
1723: Two important characteristics of a hypothesis are that it should be testable and that it should be stated in a manner that it can be refuted. Which one of the following hypotheses, fulfils these characteristics ?
(a) Intelligent persons have good memory
(b) Some birds are animals
(c) Some businessmen are dishonest
(d) All men are mortal
1724: Three students are picked at random from a school having a total of 1000 students. The probability that these three students will have identical data and month of their birth is:

(a) 3/1000
(b) 3/365
(c) 1/(365)2
(d) 1/(365)2
1725: Consider the following statements:

1. The forest cover in India constitutes around 20% of its geographical area. Out of the total forest cover, dense forest constitutes around 40%.

2. The national Forestry Action Programme aims at bringing one-third of the area of India under tree/forest cover.

Which of the statements given above is/are correct?

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2