Crop Production and Management Worksheet-6

Crop Production and Management Worksheet-6

1. The figure given below shows a part of nitrogen cycle.

Which of the following represents nitrates?

(a) W                  (b) X                   (c) Y                    (d) Z

2. Which of the following crops seedlings need to be transplanted?

(a) Wheat          (b) Potato          (c) Mustard       (d) Rice

3. The practice of keeping the fields free for a season to replenish the lost nutrients is called:

(a) monocropping                        (b) crop rotation

(c) multiple cropping                  (d) field fallow

4. Some farmers were seen adding a type of algae to barren field to support crop growth. Which algae could they be using?

(a) Blue algae                                (b) Green algae

(c) Blue green algae                     (d) Brown algae

5. Identify the correct sequence in farming.

(a) Sowing → tilling → irrigation → manuring

(b) Sowing → tilling → manuring → irrigation

(c) Tilling → sowing → irrigation → manuring

(d) Tilling → sowing → manuring → irrigation

6. Fallowing is the process of:

(a) ploughing                                 (b) irrigating

(c) sowing                                      (d) leaving the field uncultivated

7. Which of the following is a 'rabi' crop?

(a) Groundnut  (b) Maize           (c) Wheat          (d) Sugarcane

8. Cultivation of crops involves several activities undertaken by farmers over a period of time. These activities are referred to as agricultural practices. Given below are few agricultural practices. Select the option which shows correct sequence of activities that are followed to grow a crop.

(a) Sowing, adding manure, protecting from weeds, soil preparation, harvesting, storage

(b) Soil preparation, sowing, adding manure, irrigation, protection from weeds, harvesting, storage

(c) Soil preparation, irrigation, adding manure, sowing, harvesting, storage

(d) Irrigation, sowing, manure, protection from weeds, harvesting, storage

9. Preparation of soil helps the soil to turn and loosen. This turning and loosening of soil is necessary as

(a) The loose soil help roots to breathe easily

(b) The loosened soil helps in the growth of earthworms and microbes present in the soil

(c) Nutrients held in the dead organisms are released back to the soil

(d) All of these

10. X is a simple tool which is used for removing weeds and for loosening the soil. It has a long rod of wood or iron. A strong broad and bent plate of iron is fixed to one of its ends and works like a blade. It is pulled by animals. What is X?

(a) Plough         (b) Hoe               (c) Cultivator    (d) Seed drill

Answer Key:

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