571: The succession of Delhi Sultans to the throne was generally:

(a) Hereditary

(b) After fight between brothers

(c) By killing the father

(d) Invasion
572: Match List I with List II and select the correct answer by using codes given below the lists :

List I List II

I. Vitamin : (A) Pepsin
II. Enzyme : (B) Carotene
III. Hormone : (C) Keratin
IV. Protein : (D) Progesterone

Codes:

(a) I - A, II - B, III - C, IV - D
(b) I - B, II - A, III - D, IV - C
(c) I - B, II - A, III - C, IV - D
(d) I - A, II - B, III - D, IV - C
573: What is land ceiling?

(a) To fix a land area for irrigation purposes

(b) To fix rural land holdings at the existing level

(c) To fix urban land holdings at the existing level

(d) To fix the quantum of land held by a family
574: Consider the following statements :

1. Hepatitis B is several times more infectious than HIV/AIDS

2. Hepatitis B can cause liver cancer

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
575: Which of the following are among the million plus cities in India on the basis of data of the Census, 2001 ?

1. Ludhiana

2. Kochi

3. Surat

4. Nagpur

Select the correct answer using the code given below

(a) 1 and 4 only

(b) 2, 3 and 4 only

(c) 1, 2 and 3 only

(d) 1, 2, 3 and 4