Crop Production and Management Worksheet-7

Crop Production and Management Worksheet-7

1. Direction: Read the paragraph and answer the question.

Manures are organic substances obtained from dead plants and animal wastes. X is made from crops grown specifically to be ploughed into the soil while still green to improve the fertility of the soil. Animal manure consists of animal wastes. Y is a manure obtained by decomposition of dead plants and animal waste.

What is X?

(a) Fallow manure                       (b) Grass manure

(c) Organic manure                     (d) Green manure

2. Direction: Read the paragraph and answer the question.

Manures are organic substances obtained from dead plants and animal wastes. X is made from crops grown specifically to be ploughed into the soil while still green to improve the fertility of the soil. Animal manure consists of animal wastes. Y is a manure obtained by decomposition of dead plants and animal waste.

What is Y?

(a) Decompost (b) Compost      (c) Fertilizer      (d) Ferticide

3. Sowing is the process of putting seeds into the soil. There are many methods by which sowing is done. Identify the method which is not a method of sowing.

(a) Transplantation                     (b) Enrichment

(c) Drill sowing                             (d) Broadcasting

4. Pests are the organisms which attack and damage the crops. Which of the following is not a pest?

(a)                          (b)

(c)                                 (d)

5. What does the given figure signify?

(a) Life cycle of a plant               (b) Jhum cultivation

(c) Crop rotation                          (d) Mixed cropping

6. Once the field has been prepared, seeds are sown in it by hand. This process of sowing seeds is known as

(a) Broadcasting                           (b) Drill sowing

(c) Tilling                                       (d) None of these

7. Factor(s) responsible for increased crop production in India is/are

(a) Use of improved seeds developed by plant breeding and scientific methods to improve soil fertility

(b) Protection of plants against pests and better storage

(c) Control of plant diseases

(d) All of these

8. Recognise the process shown in the figure and also the plant for which this process is used.

(a) Transplantation – paddy     (b) Irrigation-tea

(c) Levelling-rice                          (d) Manuring-tomatoes

9. Tea, coffee, rubber and coconut are

(a) Sugar crops                             (b) Root crops

(c) Oil seed crops                         (d) Plantation crops

10. Read the given statements and select the correct option.

Statement 1: The last step in the preparation of soil is manuring.

Statement 2: Manure is a natural fertilizer.

(a) Both statement 1 and statement 2 are true and statement 2 is the correct explanation of statement 1

(b) Both statement 1 and statement 2 are true but statement 2 is not the correct explanation of statement 1

(c) Statement 1 is true but statement 2 is false

(d) Both statements 1 and 2 are false

Answer Key:

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