3516: 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
3517: Insect resistant cotton plants have been genetically engineered by inserting a gene from a/an

(a) virus
(b) bacterium
(c) insect
(d) plant
3518: What is the likely impact of decrease of population on economy?

(a) Increase in per capita income

(b) Decrease in per capita income

(c) Increase in investment

(d) Decrease in savings
3519: Which one of the following is a fast growing tree?

(a) Teak

(b) Eucalyptus

(c) Banyan

(d) Coconut
3520: Which of the following throws light on Harappan Culture?

(a) Archaeological excavations

(b) The script on copper sheets

(c) Rock edicts

(d) All of the above