1211: Identify the correct order of the processes of soil-erosion from the following:

(a) Splash erosion, Sheet erosion, Rill erosion, Gully erosion
(b) Sheet erosion, Splash erosion, Gully erosion, Rill erosion
(c) Rill erosion, Gully erosion, Sheet erosion, Splash erosion
(d) Gully erosion, Rill erosion, Sheet erosion, Splash erosion
1212: Consider the following features of newer models of motor cars :

I. Radial tyres
II. Streamlined body
III. Multipoint fuel injection
IV. Catalytic converter with exhaust

Which of these features make the newer models of motor cars more fuel efficient ?

(a) I and II
(b) II and III
(c) II, III and IV
(d) I, III and IV
1213: Sugarcane crop matures in about:

(a) 2 months

(b) 4 months

(c) 8 months

(d) 12 months
1214: Sparkling red colour after the blast of fire crackers is due to the presence of:

(a) Strontium

(b) Sodium

(c) Sulphur

(d) Magnesium
1215: Which one of the following has merged with Tanganyika to form the present Tanzania?

(a) Zimbabwe

(b) Zaire

(c) Zanzibar

(d) Zambia