Crop Production and Management Worksheet-5

Crop Production and Management Worksheet-5

1. Match the following with correct answers.

(a) A-I , B-II, C-III, D-IV            (b) A- IV, B-I, C-II, D-III

(c) A-IV, B-III, C-II, D-I             (d) A-III, B-IV, C-I, D-II

2. The agricultural tool used to level the field is:

(a) harrow         (b) leveller         (c) seed drill      (d) plough

3. A harrow is used to remove:

(a) weeds           (b) crop plants (c) stones           (d) rocks

4. Ploughing helps in:

(a) loosening of soil

(b) distribution of nutrients

(c) removal of microorganisms

(d) removal of pests

5. The common weed which grows along with every crop is:

(a) chenopodium                          (b) amaranthus

(c) convolvulus                              (d) wild oat

6. To prevent seed-borne diseases, the seeds must be:

(a) sown at right depth               (b) spaced at right intervals

(c) sown in highly wet soil          (d) treated with fungicide solutions

7. The crop cultivated by sowing seeds directly into the soil from the following is:

(a) paddy           (b) sorghum      (c) tomatoes      (d) chillies

8. The agricultural tool used to sow seeds is:

(a) wooden plank                         (b) drill

(c) leveller                                      (d) plough

9. Besides carbon, hydrogen and oxygen, the synthesis of proteins by plants require:

I – Magnesium

II – Nitrogen

III – potassium

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

10. Nitrogen-fixing bacteria can be found in:

I – The soil

II – Nitrogen

III – Leaves

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

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

Answer Key:

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