3146: The following persons came to India at one time or another :

I. Fa-Hien
II. I-Tsing
III. Megasthenese
IV. Hieun-Tsang

The correct chronological sequence of their visits is :

(a) III, I, II, IV
(b) III, I, IV, II
(c) I, III, II, IV
(d) I, III, IV, II
3147: Consider the following statements:

1. Infant mortality rate takes into account the death of infants within a month after birth.

2. Infant mortality rate is the number of infant deaths in a particular year per 100 live births during that year.

Which of the above statements is/are correct?

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
3148: Production of which one of the following is a function of the liver?

(a) Lipase
(b) Mucus
(c) Hydrochloric acid
(d) Urea
3149: "Black holes" refers to

(a) Holes occurring in heavenly bodies

(b) Bright spots on the sun

(c) Collapsing object of high density

(d) Collapsing object of low density
3150: India has experienced persistent and high food inflation in the recent past,what could be the reasons?

1.Due to a gradual switchover to the cultivation of commercial crops, the area under the cultivation of food grains has steadily decreased in the last five years by about 30%.

2. As a consequnce of increasing incomes, the consumption patterns of the people have undergone a significant change.

3. The food supply chain has structural constraints.

Which of the statements given above are correct ?

(a) 1 and 2 only
(b) 1 and 3 only
(c) 2 and 3 only
(d) 1, 2 and 3