Crop Production and Management Worksheet-2

Crop Production and Management Worksheet-2

1. Food production can be increased to meet the demand of an increasing population by:

I – Practicing efficient land management and development

II – Continuous research to ensure sustainable development

III – Using more pesticides to control pests

(a) I and II only                             (b) I and III only

(c) II and III only                          (d) I, II and III

2. What is considered modern technology in agriculture?

I – Genetic engineering to produce high quality traits in livestock and poultry

II – Application of synthetic chemicals to improve soil fertility

III – Using agro machinery for planting, harvesting and collecting agriculture produce

(a) I and II only                             (b) I and III only

(c) II and III only                          (d) I, II and III

3. Which methods of cultivation will result in loss of soil fertility?

I – Crop rotation

II – Shifting cultivation

III – Excessive use of chemical fertilizers

(a) I and II         (b) I and III       (c) II and III      (d) I, II and III

4. Transferring and combination of desirable characteristic features into plants and multiplying them is called:

(a) eugenics                                   (b) plant breeding

(c) genetic engineering               (d) crop improvement

5. Which of the following methods of cultivation causes salinisation of soil?

(a) Transplantation                     (b) Crop rotation

(c) Excessive irrigation               (d) Broadcasting

6. Which of the following classes of microorganisms play an important role in the nitrogen-cycle?

I – Bacteria

II – Algae

III – Fungi

(a) I only                                         (b) I and II only

(c) II and III only                          (d) I, II and III

7. The nitrogen cycle is important because it:

I – Maintains the concentration of nitrogen in the air

II – Ensures a continuous source of protein

III – Increases water pollution

(a) I only                                         (b) I and III only

(c) I and II only                             (d) I, II and III

8. Grain stocked for emergencies is called:

(a) surplus stock                           (b) storage

(c) buffer stock                             (d) regular

9. Sprinkler system of irrigation is very advantageous because it:

(a) helps the fields to get water logged

(b) controls the water supply

(c) increases the evaporation of water

(d) decrease the fertility of soil

10. Arrange the following agricultural practices in the correct order.

Sowing, manuring, irrigation, Harvesting, ploughing and levelling

(a) Ploughing, sowing, levelling, harvesting, manuring and irrigation

(b) Ploughing, levelling, irrigation, sowing, manuring and harvesting

(c) Ploughing, irrigation, sowing, manuring, harvesting and levelling

(d) Ploughing, levelling, manuring, sowing, irrigation and harvesting

Answer Key:

(1)-(a); (2)-(d); (3)-(c); (4)-(c); (5)-(c); (6)-(b); (7)-(c); (8)-(c); (9)-(b); (10)-(d)