Page 19 - Fizzy Science Corner

​ Agriculture

1. The main advantage of 'PVC' pipes for drainage is the feasibility of— (A) Mechanical laying
2. 'ESCORT' tractor is manufactured at— (A) Faridabad
3. Soil erosion by wind brings about the serious damage in soil by changing the— (C) Soil texture
4. High compression petrol engines are used in some tractors and have high performance in— (A) U.S.A.
5. The distribution of fertilizers by aircraft is widely practised in— (D) New Zealand
6. A 2- row potato harvester, working in good conditions with 4 to 5 men on the machine, can do how
much hectare per day ? (B) 1.2-1.4 ha
7. Mole drainage is practised extensively in country— (A) New Zealand
8. Which is not included in the sources of energy, getting for agricultural work ?(D) Cow
9. Which is included in dairy equipments ? (B) Lactometer
10. In our country, for the manufacturing of agricultural implements tools, mostly wood is used,
because— (A) Easy available at all the places (B) Wood is cheaper (C) Easy to repare tools made-up of
wooden, compound to metal tools (D) Above (A) to (C) are correct
11. Which of the following wood is not used for making handle of spade ? (A) Sheesham
12. Soil turning plough makes the furrow of which type (shape) ? (B) 'L' shape
13. Which of the following is one (single) handed soil turning plough ? (B) Praja plough
14. The purpose of tillage is/are— (A) Soil clods breaking and suppressing in soil (B) Eradication of
weeds (C) Leveling of soil (D) Above (A), (B) and (C) (Ans : D)